Linux is an open-source and free operating system, which runs on many computers, servers and device. A Linux Developer is any tech professional who specializes in developing programs and applications that run on the Linux operating system. They also help install, troubleshoot and fix any issues related to the Linux OS, allowing their clients to use it effectively.

Linux Developers are highly knowledgeable in this field and can provide their clients with various services ranging from installation, selection and acquisition of Linux-based applications, to helping set up a computer or server infrastructure. Their expertise would be beneficial for any business that wants to employ the use of both Linux-based applications and environments.

Here's some projects that our expert Linux Developers made real:

  • Designing creative solutions for GUI elements for user interactions
  • Optimizing server performance and reliability
  • Developing solutions for deploying software within a scalable environment
  • Deploying robust backups and security measures
  • Enhancing the structure of web applications under the Linux system
  • Writing code mapping APIs between multiple operating systems
  • Building desktop applications to execute specific commands

Our expert linux developers can achieve all this, as well as any other custom tasks that may be required. At Freelancer.com you’ll find highly skilled professionals ready make your idea reality. If you have a project you need help with or just want an experienced developer to lend a helping hand with technology needs, post your project today!

From 204,688 reviews, clients rate our Linux Developers 4.9 out of 5 stars.
Hire Linux Developers

Linux is an open-source and free operating system, which runs on many computers, servers and device. A Linux Developer is any tech professional who specializes in developing programs and applications that run on the Linux operating system. They also help install, troubleshoot and fix any issues related to the Linux OS, allowing their clients to use it effectively.

Linux Developers are highly knowledgeable in this field and can provide their clients with various services ranging from installation, selection and acquisition of Linux-based applications, to helping set up a computer or server infrastructure. Their expertise would be beneficial for any business that wants to employ the use of both Linux-based applications and environments.

Here's some projects that our expert Linux Developers made real:

  • Designing creative solutions for GUI elements for user interactions
  • Optimizing server performance and reliability
  • Developing solutions for deploying software within a scalable environment
  • Deploying robust backups and security measures
  • Enhancing the structure of web applications under the Linux system
  • Writing code mapping APIs between multiple operating systems
  • Building desktop applications to execute specific commands

Our expert linux developers can achieve all this, as well as any other custom tasks that may be required. At Freelancer.com you’ll find highly skilled professionals ready make your idea reality. If you have a project you need help with or just want an experienced developer to lend a helping hand with technology needs, post your project today!

From 204,688 reviews, clients rate our Linux Developers 4.9 out of 5 stars.
Hire Linux Developers

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    112 jobs found

    I’m looking for someone who can install and configure OpenClaw on a fresh Linux environment (Ubuntu 24). Once it’s in place I need it tuned specifically for running automation scripts—no other features are required right now. The job is considered finished when: • OpenClaw is installed from source or packages, whatever is most stable on Ubuntu 24. • The automation‐script module is enabled and a sample script executes without errors. • I have a brief README outlining the key commands to start, stop, and update the service. If you’ve compiled similar tools or set up CI-style script runners before, this should be straightforward. open claw open site and login and bet bhave of me what i say to him ho and this mach and bet liek that

    $32 Average bid
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    9 bids

    I pull live messages (roughly 2 000 users, no media) from one of my own Telegram channels through the raw Telegram API in a Python script, yet every event reaches me several seconds late. That lag ruins the downstream logic I built, so I need another pair of eyes to pinpoint the bottleneck and get as close to true real-time as the API allows. What’s already in place – Python 3.11, Telethon (latest) inside a small async service – Standard getUpdates loop plus a simple database write – No proxy/VPN in between Where I’m stuck Even with a bare-bones handler, the gap between a message appearing in the Telegram client and being processed in my script stays at 4-6 s. I have ruled out network latency and local disk I/O. Your task • Analyse the curren...

    $248 Average bid
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    38 bids

    Need experienced Linux System Administrator for server hardening. Tasks include security audit, firewall configuration, SSH hardening, user access control, patch management, and security monitoring setup. Must have experience with Ubuntu/CentOS and tools like Fail2ban, SELinux. Provide documentation of all changes.

    $818 Average bid
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    29 bids

    I’m completing a networking and security module at school and the current assignment requires a fully-configured Cisco Packet Tracer project. If you’ve tutored or prepared Packet Tracer or such kind of assingment please help me

    $18 / hr Average bid
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    9 bids

    I need to move my live React-based website from its current host to a new server and want the transition to be completely seamless for users. The job covers copying the full codebase or production build, recreating environment variables, configuring Node.js and a web server such as Nginx or Apache on the destination machine, migrating SSL, pointing DNS to the new IP, and confirming that every page, route, and API call works exactly as before. Deliverables • Site running flawlessly on the new server, accessible over HTTPS • Step-by-step documentation of the migration and any configuration changes • Quick rollback or recovery plan in case we need to revert I will open a low-traffic window for the switchover so downtime stays near zero. Let me know what access or prelim...

    $12 / hr Average bid
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    36 bids

    I already have the complete source code for a Python / Django project that is intended to run on a web platform. What’s left is the production-ready deployment. The task is straightforward: set up a reliable hosting environment, configure the required services (virtualenv, database, static and media file handling, SSL, and process manager), then push the code so the site is publicly accessible under my domain. I’m currently undecided on whether to use Apache, Nginx, or another stack; feel free to recommend what you know will keep things stable and easy to maintain. Please make sure that: • The application starts without errors via the chosen server stack. • Migrations, static file collection, and environment variables are handled cleanly. • A short read-m...

    $63 Average bid
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    27 bids

    I run a small server that relies on a single token embedded in five local bash scripts. That token changes frequently and is published inside a public .m3u file on GitHub. What I need is a lightweight solution that runs every minute from cron, fetches that remote .m3u, pulls out both the URL and its accompanying token, and then slips the fresh values into each of the local scripts where they are currently hard-coded as script parameters. Current state • The five bash files already exist and work; they simply hold outdated, hard-coded parameters. so they probably need to be modified to run like: $token= "" ffmpeg -i "blablabla/$token/channel/ -c copy blabla • The .m3u has a consistent format, so the token and URL can be isolated reliably with a regex or simila...

    $47 Average bid
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    29 bids

    I want to develop inside IntelliJ IDEA while all compute happens on runpod.io. The goal is a clean Remote Development Environment setup that lets me open the project locally, yet run, debug, and test code on a RunPod container with zero friction. My day-to-day work is mostly Python, and there’s also a Java web-application module I need to keep compiling and serving. I need you to: • Spin up or pick a suitable RunPod image that includes the required Python tooling and a compatible JDK. • Enable secure, persistent SSH access (or JetBrains Gateway) so IntelliJ connects every time without manual tweaks. • Create IntelliJ run/debug configurations for both Python scripts and the Java web app, verifying that breakpoints, unit tests, and console output all work remotely....

    $22 / hr Average bid
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    27 bids

    Upgrade the pfss and rebuild the cluster with recovery group of 8 pfss servers,it's urgent requirement

    $113 Average bid
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    2 bids

    I’m ready to rebuild my GoDaddy VPS: it currently runs CentOS and hosts my company websites behind Nginx with SSL enabled. I want the server re-imaged to the latest stable Ubuntu, with every element of the existing stack preserved and an additional n8n instance installed. Scope of work • Perform and store an off-box, full backup of all site files, databases, and current Nginx configurations before any changes begin. • Re-provision the VPS on Ubuntu, harden the OS, and apply basic firewall rules. • Restore my websites, bringing Nginx back online with the original virtual host blocks and SSL certificates so no visitor notices the change. • Install n8n (Docker or native systemd service—whichever fits best on Ubuntu) and expose it securely over HTTPS ge...

    $291 Average bid
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    96 bids

    I need a small, reliable script that can take batches of raw text files and run them through a fully automated workflow. At a minimum the routine should ingest the files, process the text, and return clean, well-structured output I can feed straight into my existing systems. My current bottleneck is doing this by hand, so the solution must run unattended once configured. Although my immediate goal is straightforward data processing, I’m open to seeing how you’d weave in text extraction, transformation, or even lightweight analysis if that simplifies the pipeline or adds value. I work comfortably with Python, so a solution built with pandas, spaCy, or similar libraries would fit right in, but I’m not married to any single toolset as long as the final deliverable is easy f...

    $43 Average bid
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    36 bids

    I need reliable freelance computer-hardware engineers who can visit my customers’ offices and homes across India and carry out installation services—specifically Linux installation on their machines for everyday desktop use. Here’s what a typical call looks like: I send you the location and preferred Linux flavour (most often Ubuntu or Mint, though customers occasionally ask for Fedora or Debian). You arrive on site with a bootable USB/DVD, install the OS on a new or existing desktop or laptop, set up common drivers, configure the network, and verify that everything—from Wi-Fi to printers—works smoothly before hand-over. I cover any reimbursable travel expenses that we agree on in advance, and you invoice me once the job is signed off by the customer. So...

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    5 bids

    During the next 6–9 months we’ll be working with a Chinese OEM that is adding several key capabilities to its new 4G/5G router line: higher data-throughput paths, richer network-management options, and extra data interfaces such as serial ports and general-purpose I/O. All new code must interoperate with the OEM’s own proprietary protocols, so every build needs to be exercised against their closed, in-house stacks. Our immediate need is rigorous quality-assurance and debugging support throughout the development cycle. Your job is to design and run repeatable tests and make sure we meet customer's objective, and feed concise feedback and bug reports to the factory team. Expect iterative rounds of validation on both bench setups and pre-production hardware. Once the ...

    $14610 Average bid
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    21 bids

    Project Overview We are seeking a qualified vendor or agency to redevelop an institutional website into a modern, accessible, secure, and multilingual platform. The new website must use a Headless Drupal 10 CMS with a frontend and comply with GIGW 3.0 (Government of India Guidelines for Web Accessibility). --------------------------------------------------- Project Objectives The redeveloped website must: • Transition to a Headless Drupal 10 CMS with a decoupled frontend • Ensure full GIGW 3.0 compliance (accessibility, security, privacy) • Provide a responsive, multilingual interface (English, Hindi, Kannada) • Implement role-based access control • Improve SEO visibility and content discoverability • Enable structured content workflows and approvals • D...

    $5824 Average bid
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    60 bids

    I recently moved my custom PHP / MariaDB e-commerce site to a new Ubuntu virtual dedicated server. Since the switch, every page—home, product, checkout, you name it—now loads noticeably slower even though CPU and RAM usage stay low. The job is straightforward: dissect and tune the stack so the site performs at least as quickly as it did on the old box. I’m specifically after smart adjustments to , vhost files, , php-fpm pool settings, and —buffer sizes, innodb settings, query logging, connection limits, the works. Deliverables • Optimised configuration files for Apache, PHP-FPM, and MariaDB, commented so I can see what changed. • A brief report (bullet points are fine) showing baseline vs. post-tuning load times and the reasoning behind each tweak, so...

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    92 bids

    I am just getting started with Python and would like a patient tutor who can guide me step-by-step, answer my questions as they come up, and help me practise writing clear, working code. The main areas I need to master are: • Basic syntax and data types • Control structures and functions • Libraries and modules Please structure the lessons so each concept is demonstrated with short examples, followed by hands-on exercises I can share back for review. I am happy to work in whichever environment you prefer—IDLE, VS Code, Jupyter Notebook—so long as I can replicate the workflow on my own machine. By the end of our time together I should be comfortable writing small scripts, understanding error messages, and knowing where to look next when I get stuck....

    $146 Average bid
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    11 bids

    I’m looking for a reliable way to mirror my on-premise SQL database to AWS RDS in real time. The web service you build will capture every change that hits the local tables—customer information, inventory data, and transaction records—then push those changes up to the cloud with minimal latency. My priorities are: • Zero data loss and consistent state between the two stores, even when connectivity drops temporarily. • Latency low enough to feel immediate to downstream apps that rely on the cloud copy. • A straightforward deployment path: I should be able to install the service on a Windows or Linux host beside the local database, point it at the RDS instance, and watch it run. Deliverables 1. Source code for the sync service (language and framewor...

    $808 Average bid
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    149 bids

    Project: Live In-Person Technical Demonstration for a High-Stakes Client Location: Remote development + On-site delivery in Delhi Demo Date: On or after 15 February 2025 Duration: 1–1.5 weeks remote preparation + 1–2 days on-site Compensation: Competitive project-based fee + all travel and accommodation covered Project Overview We are preparing a live, in-person technical demonstration of a high-performance quantum simulator for a prestigious client. The demo will showcase 7 quantum algorithms at 40-qubit scale in front of a technical evaluation committee. We are seeking a Quantum HPC Engineer to take full technical ownership of the demo — from development to live delivery. Scope of Work Live Technical Demonstration (Immediate) Develop, test, and present live the fo...

    $469 Average bid
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    5 bids

    Project Overview This proof-of-concept will demonstrate a regulator-grade, fully secured VPC hosting a central authority and multiple financial-institution tenants, while automating supervision and compliance checks using native AWS services. Scope The environment will be logically segmented into public and private subnets for each participant. The central authority resides in its own network segment and can observe, query, and enforce policies across all other institutions without exposing sensitive resources publicly. Key Services AWS Lambda for event-driven oversight logic and scheduled compliance sweeps AWS RDS for the authoritative supervisory data store AWS S3 as the immutable audit and reporting repository Security & Compliance Networking, IAM, logging, encr...

    $53 / hr Average bid
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    56 bids

    I’m building a live remote-monitoring dashboard that ingests MQTT messages from a teltonikak rtu 901 gateway along with temperature, pressure, and oxygen sensors and many other parameters from a controller. The stack I have in mind runs on DigitalOcean or AWS and is driven by Python on the back-end and JavaScript on the front-end, but I’m happy to discuss refinements if you can justify them. Current status • Devices is yet to publish raw readings over MQTT. • No cloud pipeline, storage layer, or UI exists yet. What I need next • A lightweight yet secure ingestion service (Python is preferred) that subscribes to the topics, validates payloads, and writes them to a scalable store on DigitalOcean. • A real-time dashboard in JavaScript that shows live ...

    $12 / hr Average bid
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    20 bids

    I’m spinning up a brand-new SA-MP roleplay server and need a complete Pawn script built entirely from scratch. The end result should feel as if it came out of a polished commercial package: clean, modular, thoroughly commented, and fully optimized for desktop and SA-MP mobile clients alike. Core systems I must have • MySQL-driven account and character handling (registration, login, persistent data) • Job framework with at least a fully functional Police-Officer career path (duty toggle, arrest flow, ticketing, rank promotion, on-duty perks) • Faction, gang, and turf logic that can scale without performance drops • Business ownership with Clothing-Store mechanics (inventory, cash flow, stock restock, employee ranks) • Admin suite that, at minimum, s...

    $13 / hr Average bid
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    31 bids

    I have a brand-new VPS with Hostinger and need it fully configured right away. The server is running Ubuntu, and its sole purpose will be to host websites reliably and securely. I’ll give you root access plus the Hostinger panel credentials; from there, I expect a streamlined, production-ready environment set up without delay. Please bring your own best-practice checklist—speed, stability, and basic hardening are what matter most to me right now. Deliverables • Update Ubuntu to the latest LTS patches • Install and configure a web-server stack (Apache or Nginx—your call, as long as it’s stable) • Enable a firewall, SSH key authentication, and basic fail2ban or equivalent protection • Set up one test virtual host so I can point a domain a...

    $103 Average bid
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    26 bids

    I maintain a Node.js / TypeScript code-base that submits Jito bundles to the Solana network at high frequency. The current version works, yet under heavy load it saturates network bandwidth, slows slot confirmation, and leaves a larger attack surface than I’m comfortable with. I’d like you to jump in, profile the pipeline, and return an implementation that is measurably better across three axes—performance, scalability, and security. What performance means here is simple: bundles must reach the leader faster so more of them land profitably. I’m especially keen on lowering the chatter between my service and Jito’s relays so network bandwidth is used far more efficiently. You’ll have full access to the existing TypeScript modules, aggregator logic, and t...

    $58 Average bid
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    16 bids

    Need an experienced s specialist to configure our SIP and PRI trunks I will provide remote access to the server and trunk credentials once we agree on the approach. Looking forward to working with someone who can get this running quickly and cleanly. Asterisk PBX Linux SIP Software Architecture,Engineering VoIP

    $376 Average bid
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    9 bids

    I need a reliable automation script that can interact with a browser-based application I use every day. The solution must run smoothly on Windows machines and handle the full workflow without manual clicks or keystrokes. While the main focus is the web interface, I’m open to whichever stack you feel is most stable—Python + Selenium, PowerShell with headless Chrome, or a comparable approach—as long as it can be launched by a non-technical user from a desktop shortcut. What success looks like for me: • The script logs in, completes the required on-screen actions, and exits cleanly. • It reports basic status (success, failure, or any error message) in a simple log file. • Setup is straightforward: a short read-me or a one-time installer that covers any ...

    $953 Average bid
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    37 bids

    Technical Status Report: Resource Exhaustion (503 Error) Site: Environment: A2 Hosting (Shared) | 2GB RAM Limit | 100% CPU Limit 1. The Issue The site is currently experiencing a persistent 503 Service Unavailable error. Analysis of the A2 Resource Usage shows the account is hitting its Physical Memory (2GB) and CPU (100%) ceilings almost immediately upon server reset. 2. Actions I HAVE already taken Plugin Isolation: Renamed the /plugins/ folder to plugins_hold. Process Reset: Cycled PHP versions (8.3 to 8.2 and back) to kill hanging lsphp processes. Caching: Flushed and Enabled LiteSpeed Web Cache via cPanel. Security: Briefly disabled ModSecurity (site attempted to load but crashed again instantly). Cron/XML-RPC: Added DISABLE_WP_CRON to and blocked via ....

    $32 Average bid
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    65 bids

    I am rolling out an in-dash Android interactive display and need a seasoned AOSP specialist to turn the stock source into a lean, security-hardened custom ROM. The target hardware is a car-grade unit that hosts a camera alongside proximity and accelerometer sensors, so the build must include the right HALs and permissions for those components. What I want you to handle: • Fork the AOSP branch that best matches our SoC, import or craft the correct device tree and board-config, and fine-tune the kernel where necessary. • Strip every Google Mobile Service while preserving base Android stability. • Apply low-level security tweaks (SELinux policy work, verified boot, hardening flags). • Set up seamless OTA delivery (delta or full images) so field upgrades stay painless. &bu...

    $3496 Average bid
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    19 bids

    I need an experienced telephony engineer to bring up a new IVR on our Asterisk-based server that will answer calls coming in on both a SIP trunk and a PRI. The core requirement is a clean, dependable call-routing tree—callers should reach the right destination every time—with call recording and basic, built-in reporting turned on from day one. Environment • Linux box already running Asterisk (remote SSH available) • One SIP trunk + one PRI (credentials and circuit details ready) Scope of work 1. Configure the IVR in Asterisk, activate call routing options, and confirm that both trunks follow the same logic. 2. Enable call recording for all menu paths, store files locally in an organised directory structure, and verify playback. 3. Turn on the stock call‐...

    $457 Average bid
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    1 bids

    I already have the full AOSP source checked out and the proprietary blobs for a piece of dedicated in-vehicle hardware. What I need now is an Android engineer who has been through the full custom-ROM cycle before and can take the lead on turning that raw tree into a production-ready build. Scope of work • Strip every trace of Google Mobile Services and replace only what is strictly necessary with open-source or in-house components. • Harden the system: SELinux in enforcing mode, verified boot, secure default props and permissions, plus any kernel-level mitigations you normally deploy. • Update or create the device tree and BoardConfig so the microphone, speakers, Bluetooth and the built-in camera work flawlessly; the unit does not rely on a touchscreen, so please make...

    $999 Average bid
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    28 bids

    We are looking for a Senior AI/ML Engineer (LLM Training and Deployment). We are building Health Model, an on-prem "Robust Expert" LLM that generates healthcare interoperability code from natural language. The model should generate Mirth Connect (NextGen Connect) channel XML and JavaScript transformer code and support HL7 v2 and FHIR patterns. No PHI will be used. Only public docs, open-source samples, and synthetic messages. We need a strong developer to implement the end-to-end pipeline: dataset ingestion, synthetic instruction generation, LoRA fine-tuning, validation harness, and local deployment with an OpenAI-compatible API. Target compute is on-prem GPU hardware (DGX Spark class). Optional experiments can run on Google Vertex AI credits. [Required Skills] - LLM fine-tuni...

    $1255 Average bid
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    109 bids
    Dual-OS 40-Core Server Setup
    5 days left
    Verified

    I have, 40-core machine with 1 TB of RAM that needs to be turned into a practical development box for my team. The goal is to have both Windows Server and Ubuntu Server installed side-by-side, each ready for daily coding, testing, and collaboration. Here’s what I need from you: • Plan and carry out the installation of the two operating systems, making sure they coexist cleanly (dual-boot, virtualization, or any proven approach you recommend). • Partition and configure storage so that each OS has ample, clearly labeled space. • Enable remote access for multiple developers, with sensible user and permission settings already in place. • Apply baseline security hardening and system updates so we start from a solid, up-to-date foundation. Once finished, I s...

    $243 Average bid
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    12 bids

    I already have the full certificate bundle for one domain and simply need it installed and activated on my server. The files are ready to go, so the main task is to upload them, configure the web server, and confirm that HTTPS forces correctly with no mixed-content warnings. I did not specify the server stack in advance, so please be comfortable working with common setups such as Apache, Nginx, or IIS—just let me know which instructions or access details you will need. Once the cert is live, I’d like you to run a quick SSL Labs scan (or similar) to verify an A rating. That final report, plus a brief note on what you changed, will close out the job.

    $38 Average bid
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    65 bids

    My Server4You VPS has triggered an abuse report and I need a one-time, decisive intervention. The first order of business is malware removal—locating and eradicating any malicious code sitting inside the WordPress installs. While doing so, I also need you to pinpoint which site is behind the current XML-RPC and brute-force login traffic, disable XML-RPC wherever it isn’t explicitly required, and verify no backdoor scripts are left behind. You will receive root (or sudo) SSH access. Once inside, please: • Scan every WordPress instance and the underlying file system, remove malware, and patch obvious vulnerabilities. • Trace the origin of the XML-RPC abuse and stop it without breaking legitimate functionality. • Review cron jobs, tighten file and directory pe...

    $63 Average bid
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    77 bids

    I need assistance with a MongoDB database on my Linode (Alkali) server. I'm looking to delete the data within the database. Requirements: - Access to my Linode server - Execute commands to clear the database content Ideal Skills and Experience: - Proficient in MongoDB - Experienced with Linode server management - Command over data deletion commands and database handling Please note if backups are required.

    $183 Average bid
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    45 bids

    I have a steady stream of plain-text machine logs arriving every hour. What I need is a dependable way to sift through each file, detect the anomalous patterns hiding in the noise, and produce a cleaned log (or at least clearly flagged lines) before the next batch rolls in. The raw files are straightforward TXT—no embedded markup or JSON structures—so the solution can focus entirely on pattern analysis rather than parsing exotic formats. Because the anomalies are behavioural rather than simply extreme numeric values, the detection logic must look for irregular sequences, unexpected combinations of fields, or sudden structural deviations. I’m happy with a Python‐based approach (pandas, scikit-learn, PyOD, or similar libraries come to mind), but I’m open to anothe...

    $741 Average bid
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    105 bids

    I’m building a Spring-based service router and need robust CSRF protection on all API endpoints. The idea is to leverage Public Key Infrastructure so that every incoming request carries a verifiable, signed token before it reaches any controller logic. Here’s the core of what I’m after: • A Spring Security configuration (Boot-compatible) that intercepts every request—GET, POST, anything—and checks a PKI-backed CSRF token. • A lightweight way for upstream services or clients to obtain and refresh that token; we can refine the flow together once you see my current architecture diagrams. • Server-side validation that ties the token to the session (or an equivalent stateless approach) so replay attacks are blocked. • Clean, readable ...

    $15 Average bid
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    8 bids
    Hardened RHEL 9 Azure Image
    5 days left
    Verified

    I need a reusable golden template of the latest RHEL 9 release, fully aligned with CIS Benchmark Level 1, for a strictly cloud-based Azure deployment. The goal is to spin up secure, compliant VMs in minutes without having to run post-provisioning hardening each time. You may rely on automation tools you’re comfortable with—Packer, Ansible, Cloud-Init, or Azure Image Builder are all acceptable as long as the end product is an Azure-ready image (or managed image) that I can register in my subscription and launch through the portal, ARM/Bicep, or Terraform. Acceptance criteria • Image boots in Azure, attaches to the Red Hat Update Infrastructure, and registers successfully • A CIS-CAT or comparable scan shows 100 % compliance with CIS RHEL 9 Level 1 recommendations...

    $304 Average bid
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    58 bids

    We need an experienced PHP developer to make a few tightly scoped fixes on a live, legacy PHP frontend. The work is focused on debugging auth flow and a 401 API issue, plus ensuring Secrets Manager integration works correctly from EC2. This is not a rewrite and no refactors. We need someone comfortable reading existing PHP code, tracing request flows, and applying minimal, safe patches to restore functionality on production. Scope (Immediate) Fix public route regression (site prompting login for public pages) Resolve 401 on CRM Tenants API (/tenant/api/tenants) Verify Authorization header handling (Axios/interceptor if applicable) Confirm API base path correctness Ensure AWS Secrets Manager is read from correct region (eu-west-1) in PHP SDK config Restart Apache/PHP-FPM and validate log...

    $8 / hr Average bid
    $8 / hr Avg Bid
    63 bids

    I need an end-to-end web application, front-end and back-end, that ships production-ready code and is already live on AWS when we shake hands on completion. All development must sit in a clean, well-documented GitHub / GitLab repository so every commit, branch, and pull request is traceable. Core requirement: integrate Exotel’s call-masking API. Calls must flow through virtual numbers, show the correct masked caller ID, and log events (initiation, connection, hang-up, failures) in the database for later analytics. Should future business needs demand it, the codebase must remain flexible enough to swap in Twilio, Vonage, or Plivo without a full rewrite, so keep the telephony layer modular. Deployment target is AWS. A lightweight CI/CD pipeline that builds, runs tests, and promotes t...

    $176 Average bid
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    25 bids

    The project centers on building next-generation feature sets for our 5G Open RAN Radio Unit (O-RU). All work happens on a Linux-based SoC, so day to day you will live in C and C++, occasionally dropping to Assembly for critical paths and scripting in Python to automate validation. Scope of work You will own the full software path for new O-RU capabilities—from architecture discussions through low-level driver changes, real-time scheduler tweaks, and user-space services—then push the code into our CI pipeline and remote test lab. Although the codebase is mature, the emphasis is firmly on adding fresh functionality rather than just tuning what already exists. Environment & tools • Linux (Yocto build system) on ARM-based SoCs • GCC / Clang, GDB, Trace32, git,...

    $17 / hr Average bid
    $17 / hr Avg Bid
    45 bids

    only use this Project Description: lead the integration of advanced storage solutions with compute clusters using cutting-edge networking technologies such as InfiniBand, Slingshot, and Ultra Ethernet. The ideal candidate will demonstrate expertise in storage performance tuning (e.g., NVMe-oF, metadata management, tiering strategies) and integrating parallel file systems like Lustre or Spectrum Scale. - Designing and implementing storage systems at multi-PB scale with state-of-the-art parallel file systems. - Comprehensive knowledge of Linux administration, storage hardware (NVMe SSDs, high-capacity disk arrays), and protocols (NFS, Lustre, S3). - Expertise in vendor solutions such as VAST, WEKA, DDN, and Spectra Logic. - Proficiency in scripting languages (Python, Bash) for system automa...

    $27 / hr Average bid
    $27 / hr Avg Bid
    19 bids

    We are looking for an experienced engineer to enable Two-Factor Authentication (2FA) for our AWS WorkSpaces environment using Google Authenticator and we prefer FreeRADIUS. Project Requirements Implement 2FA for AWS WorkSpaces (AlwaysOn or AutoStop modes) Integrate Google Authenticator (TOTP) as the second factor Set up and configure FreeRADIUS as the authentication backend Ensure the solution works fully within our private subnets (no public access) Provide a clean, documented solution that is secure and production-ready Assist with troubleshooting and final validation/testing Environment AWS WorkSpaces running inside private subnets No direct internet inbound access FreeRADIUS server (existing or new setup) Deliverables Fully functional 2FA login for AWS WorkSpaces using Go...

    $294 Average bid
    $294 Avg Bid
    39 bids

    My web backend already handles real-time WebSocket traffic and device-to-server messaging, but the client management module now needs immediate attention. The current codebase shows signs of SQL injection issues and server misconfigurations, and an initial scan hints at possible backdoors. Here’s what I need you to do: • Conduct a full security audit across the PHP + MySQL stack (running on Apache in a XAMPP-style setup) as well as the Node.js WebSocket layer. • Isolate and remove any backdoors, patch every SQL-injection entry point you uncover, and fix configuration mistakes that could expose the server. • Redeploy the cleaned code on a fresh, standard Linux server image, migrate the database where necessary, and confirm that all WebSocket real-time features r...

    $791 Average bid
    $791 Avg Bid
    93 bids

    My Linux server has gone offline in two critical ways at once: Plesk refuses to load, showing a “Server connection error,” and the public website now throws a “500 Internal Server Error.” Nothing in the interface is reachable, so I can only work over SSH. I need an experienced system administrator who can jump in immediately, trace the root cause, and bring everything back online fast. Typical work will involve checking service status, reading Plesk and web-server logs, inspecting recent updates, and repairing or rolling back whatever is preventing Plesk and the site from starting correctly. You’re free to use the tools you trust—SSH, journalctl, systemctl, nginx/apache utilities, MySQL tools—so long as you keep the server secure and document the ...

    $10 / hr Average bid
    $10 / hr Avg Bid
    25 bids
    Setup GoGetSSL SSL on Apache
    4 days left
    Verified

    I need an experienced developer to set up my GoGetSSL / Sectigo SSL certificate via ACME on Apache today. The domain is already pointing to the server, and credentials are ready. What you’ll do: Generate & validate the ACME order Install SSL + chain file on Apache Force HTTPS (HTTP → HTTPS) and restart Apache Verify SSL Labs rating “A” Set up automatic renewal or provide instructions Requirements: Proven experience with GoGetSSL / Sectigo + ACME Immediate availability Ability to provide a short log of commands used ✅ The goal: website fully secure with green padlock today.

    $27 Average bid
    $27 Avg Bid
    34 bids

    I need a new subdomain created inside my Square space account so it points cleanly to , where all my online courses will live. has already supplied the precise CNAME and TXT records and I will pass those straight to you; they simply have to be entered without disturbing the rest of the zone file because other integrations are already running on the root domain. At the same time, I want my branded email address fully recognised by the CRM. That means adding or adjusting the accompanying MX, SPF, and DKIM records so outgoing messages authenticate and incoming replies land where they should. Deliverables • Subdomain resolves to the correct workspace over HTTPS and passes their custom-domain check. • Email records propagate, SPF/DKIM show “pass” in common tester...

    $141 Average bid
    $141 Avg Bid
    41 bids

    PROJECT DESCRIPTION Context I'm looking for an experienced developer to build an intelligent call center system with automatic real-time voice translation. The project aims to enable agents in India (English speakers) to receive and handle calls from French customers, with instant bidirectional translation. Objective Create a complete solution that enables: Receiving incoming calls on a French number (OVH Telecom) Real-time voice translation French ↔ English/Hindi Automatic transfer to agent Latency < 1 second GDPR compliant (EU region) REQUIRED TECH STACK Backend Node.js (v20+) for HTTP server WebSocket (ws) for real-time audio streaming PM2 for process management APIs & Services OVH Telecom: VoIP telephony (REST API) Deepgram Nova-2: Speech-to-Text (French & E...

    $2884 Average bid
    $2884 Avg Bid
    44 bids
    ASTPP Rates & Prefix Setup
    4 days left
    Verified

    I need an expert to help me configure billing rates and internal prefixes in my ASTPP installation. Tasks: Import and set up billing rate cards. Configure internal prefixes for specific routing rules. Ensure the billing engine is capturing data correctly. This is a straightforward task for someone who knows ASTPP well. Please bid only if you have worked with ASTPP before and can start immediately.

    $43 Average bid
    $43 Avg Bid
    29 bids
    Install Traccar GPS on Linux
    4 days left
    Verified

    I need the latest release of Traccar GPS installed on a Linux server and left running with its default configuration—no custom server tweaks or device-specific rules for now. Once the service is up, I simply want to confirm that the web panel is reachable, the database is connected, and I can log in with the default admin account. Please take this on only if you have hands-on experience performing Traccar or similar GPS-tracking server installs on Linux. When you’re done, share the basic connection details and any quick commands I might need to start, stop, or check service status. That’s it—straightforward, clean, and ready for me to add devices later.

    $38 Average bid
    $38 Avg Bid
    39 bids

    I maintain a legacy desktop program written in Pascal and now need it re-imagined as a browser-based application. The goal is to keep every current feature intact while exposing the underlying logic through modern APIs, then presenting it in a clean, responsive web interface. Here’s the workflow I have in mind: • Re-factor or wrap the existing Pascal code so its core routines are callable from HTTP/REST endpoints. • Build the web front-end (framework is flexible; React, Vue, Angular or even a light vanilla stack are all acceptable) that consumes those endpoints and mirrors the original UI/UX. • Package the finished solution with clear deployment scripts and concise technical documentation so it can be dropped onto a standard Linux server. Key points you’ll...

    $499 Average bid
    $499 Avg Bid
    29 bids

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