Backend Development Jobs

Backend Development is a critical part of any website or software product. It starts with understanding the client's goals and developing solutions that achieve those goals in a cost-effective and scalable way. Backend developers are responsible for more than just code: they have to have a strong understanding of databases, frameworks, and development in general. A backend developer uses this knowledge to turn complicated customer requirements into a efficient, automated solutions that the user experience (UX) team can work with.

When it comes to Backend Development, experience matters - you want someone who's seen a variety of projects and knows the best technology to use for your specific scenario.

Here's some projects that our expert Backend Developer made real:

  • Developing connected systems between websites and local servers
  • Integrating software systems using modern real-time protocols
  • Building bespoke solutions tailored to customer requirements
  • Taking over existing projects and resolving tricky bugs
  • Developing custom solutions using tried and tested frameworks

Backend Development encompasses a wide variety of skills and technologies, so it helps to have an experienced developer on your team who can navigate the complexities of building high-quality solutions. Our expert developers have already undertaken a variety of different projects and can jump into yours with confidence - benefit from their expertise, get your project completed quickly and correctly, and reduce time-to-market for your product. Get in touch today to discuss bringing your project to life, or post your own project in Freelancer.com to hire an experienced Backend Developer.

From 135,146 reviews, clients rate our Backend Developers 4.85 out of 5 stars.
Hire Backend Developers

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    15 jobs found, pricing in NZD

    Looking for NAV API Expert who can develop a model for getting Daily NAV Rate that will match with CAMS & KARVY data. Previous experience with this is a must. If you possess the necessary skills and experience in Mutual Fund NAV APIs, we would like to hear from you! Have you previously worked as a Mutual Fund NAV API Expert? Can you provide examples of projects where you developed a model for retrieving Daily NAV rates?

    $244 - $732
    $244 - $732
    0 bids

    We are seeking a skilled iOS developer to implement 'Sign in with Apple' functionality into our mobile app within a tight deadline of one day. The successful candidate will be responsible for integrating this feature seamlessly into our existing authentication system, ensuring a smooth user experience. This task requires expertise in iOS development, familiarity with Apple's authentication services, and the ability to work efficiently under time constraints. We welcome new freelancers to apply for this project, as we believe in providing opportunities for talented individuals to showcase their skills and grow their portfolios. If you're motivated, detail-oriented, and capable of delivering high-quality work within the specified timeframe, we encourage you to apply and ...

    $52 (Avg Bid)
    $52 Avg Bid
    7 bids

    I am in need of a skilled professional with proven experience in creating both websites and mobile applications. The specific purpose of these platforms has not been stated, hinting at a need for flexibility and adaptability. Key responsibilities: - A fluid and user-friendly design - Enable forms submission - Include a comments/review section - Incorporate user account creation and login Only those with demonstrable experience will be considered. Show me examples of past work where you have successfully implemented these features. Your ability to innovate and problem-solve will be critical to the success of this project.

    $560 (Avg Bid)
    $560 Avg Bid
    26 bids

    More details: I have deploy ML inference code on uvicorn FastAPI server. When I run request sequentially or send 2-3 concurrent request then I get very low response time but when I increase to higher concurrency it increases exponentially. Want to debug this problem and fix it. I wont be able to provide you code to run on your system. I will share my screen and can any experiment as you suggest Which programming language is the ML app currently written in? Python What type of machine learning model does the app utilize? FastAPI Does the app require real-time predictions or batch processing? Real-time predictions

    $15 (Avg Bid)
    $15 Avg Bid
    2 bids

    Are you a talented developer with expertise in Golang, Java, or PHP? We are looking for someone experienced in team development using Github and who has a great coding style to join our team! The project is for a soccer betting site. We already have some team strength, so we need a Golang and Java developer with team development experience who can work with the team ? Requirements: - Proficiency in Golang, Java, or PHP - Strong experience in team development using Github - Demonstrable coding skills with a great coding style ? Responsibilities: - Develop and maintain backend services - Collaborate with team members on coding best practices - Ensure code quality through code reviews and testing If you are passionate about backend development and meet the above requirements, I'd lo...

    $6482 (Avg Bid)
    $6482 Avg Bid
    50 bids

    Looking for a skilled freelancer who can provide a dynamic PDF report creation service for my posts on Oxygen. The requirements are as follows: - Capability to generate PDF reports that include either all posts or only selected ones - The posts should contain images, ensuring a comprehensive representation of content - Flexibility in layout design is a must. The report output should coincide with my custom layout preference Ideal candidates will have prior experience in creating such PDF reports and possess a keen understanding of layout design for maximum reader engagement. High attention to detail and the ability to work within a set deadline is expected. Passionate web professionals who are adaptable and keen to realize unique requirements, please apply.

    $83 (Avg Bid)
    $83 Avg Bid
    24 bids

    More details: What are the key features you would like the payin and payout software to have? Automated payment processing, Real-time transaction monitoring, Integration with multiple gaming platforms What are the preferred payment methods you would like the software to support? Credit/Debit cards, Upi Do you have any specific security requirements for the software? Encryption of sensitive data

    $2236 (Avg Bid)
    $2236 Avg Bid
    12 bids

    As the project manager of an initiative that is presently incomplete, I am in dire need of professional support. Key Responsibilities: - Provide additional workforce to assist with the current project - Primarily focus on code standardization and cleanup Ideal Candidate: For this role, a background in advanced coding and the ability to identify and correct nonconforming areas is crucial. The ideal candidate will have a proven track record of effectively cleaning and standardizing code to enhance project completion. Proficiency in code quality assurance, debugging, and code optimization are essential skills. Proactive communication and timely delivery are also vital for success in this project.

    $23 (Avg Bid)
    $23 Avg Bid
    8 bids

    I'm embarking on a critical project aimed at launching a new application from the ground up, choosing Laravel or CodeIgniter as my preferred PHP framework. This application must stand out, not just for its robustness but for the unique solutions it offers, particularly incorporating USP (Unique Selling Proposition) developed through financial strategies and formulas. To make this vision a reality, I need a freelancer with profound expertise in Laravel or CodeIgniter, capable of weaving complex functionalities into a seamless user experience. I am also Open for Suggestions. Key Requirements: - **User Authentication and Registration:** Design a secure and efficient system for user onboarding and authentication. - **Database Integration:** Implement a scalable database structure th...

    $537 (Avg Bid)
    $537 Avg Bid
    29 bids

    I am looking for a competent AI developer with a strong background in Virtual trial room setup. The task at hand involves the creation of an AI-powered, virtual try-on system for clothing on both a website and mobile app. Key Requirements: * Integrate an AI model for virtual try-on of clothing * Emphasis should be placed on the accuracy of the outfit's appearance when virtually tried on by users * Manages deployment & backend of AI modules on AWS Ideal Skills and Experience: * Proficiency in app and web development (optional) * Extensive experience with AI, especially virtual imaging or related fields * A portfolio showcasing previous work in combining AI with app development Please provide a rough estimate of how long it would take for you to complete this project, toget...

    $262 (Avg Bid)
    $262 Avg Bid
    4 bids

    I have a web app arelady developed in react (front end) and Lavarel (backend), New front end to be done in NEXT JS I need to implement a new design already designed in Figma (design will be provided) in NEXT JS Most of the APIs are already designed but some would need to be modified or created from scratch Also, I would need some changes in the back-end to implement new APIs - Add new filter capabilities in directory (Filter by last registered/active member) - Dinamic top/menu based on log in / log out status of members - Other KNWOLEDGE IN BACKEND AND FRONT END ARE NEEDED Please provide budget and timeline to execute this project.

    $319 (Avg Bid)
    $319 Avg Bid
    66 bids

    I am currently seeking assistance in resolving an issue related to my application on the Apple Store. Unfortunately, the app has been deleted, and I am encountering difficulties in restoring it. For your reference, I have attached an image that illustrates the problem as observed on the Apple Store. I am reaching out to seek the expertise of a professional who can guide me through the process of restoring the application. Your prompt attention and support in this matter would be greatly appreciated. Thank you for your time and assistance.

    $810 (Avg Bid)
    $810 Avg Bid
    33 bids

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

    $760 (Avg Bid)
    $760 Avg Bid
    29 bids

    Hello! I need someone to build this site for me, ideally if you already have experience in this industry. As a reference I can offer already finished leaked source codes. (needs to be integrated with Bitcoin payment gateway, and I don't want to redirect users, I want it to be displayed everything on my site) (I will provide Bootstrap frontend)

    $285 (Avg Bid)
    $285 Avg Bid
    10 bids

    Necesito 100 preguntas de test psicotécnicos por cada aptitud. (700 en total) Las aptitudes son: - verbal - numérico - espacial - mecánico - perceptivo - memoria - razonamiento abstracto Se adjuntan algunos ejemplos de preguntas, toda la información respecto al proyecto se concretará por mensaje privado.

    $611 (Avg Bid)
    $611 Avg Bid
    17 bids

    Recommended Articles Just for You

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ