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 147,927 reviews, clients rate our Backend Developers 4.85 out of 5 stars.
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    21 jobs found, pricing in USD

    We are looking for talented programmers to help us enhance the performance and user experience of our website (). The ideal candidates should have expertise in both frontend and backend development, with a strong focus on optimization, bug fixing, and integrations. Key Responsibilities: - Optimize the website for faster page loading speeds - Ensure the website is fully responsive and compatible across different devices - Improve the user-friendly navigation to enhance the overall user experience - Identify and address various issues on the website, for example error messages and slow loading pages. In addition to these primary tasks, the project will also involve integrating various third-party services into the website. Skills Needed: - knowledge about how to work with fi...

    $4074 (Avg Bid)
    $4074 Avg Bid
    36 bids

    I need to build database from the scratch. I have theme for this website. I'm in need of an expert to develop database for an anime video streaming platform. - This database should have features like search functions, user profiles, and a favorite list. - I only require support for English content. Ideal candidate: - Proficient in MySQL database development - Experience with creating user-friendly interfaces - Understanding of video streaming platforms - Familiarity with implementing search functions and user profiles - Efficient communication and time-management skills.

    $206 (Avg Bid)
    $206 Avg Bid
    13 bids

    As the client, I am seeking an experienced app developer and web designer to create a multifaceted platform. It should cater to a broad audience encompassing the general public, business professionals, and students. Key Features: - Develop a user authentication system. - Incorporate push notifications. - Enable in-app purchases. - Ensure robust interface development. Design Aesthetic: - Create a design that’s both colorful and vibrant while maintaining a professional, corporate aesthetic. Ideal Skills and Experience: - Solid experience in app development and web design is essential. - Familiarity with interface development. - Ability to create a professional, vibrant design. - Proven track record of developing user authentication systems, push notifications, and enabling in-app p...

    $243 (Avg Bid)
    $243 Avg Bid
    33 bids

    I'm looking for a capable React.js developer to design a modern and minimalist cafe website. The platform should include an online ordering system and a clear, aesthetically pleasing menu display. Key Requirements: - React.js expertise: Strong command of this JavaScript library is a must. - Online ordering system integration: Experience in setting up e-commerce functionalities on a website. - Menu display design: Skilled in creating visually appealing, user-friendly menu displays. Additional Information: - The design should be modern and minimalist. - SEO optimization is not a priority for this project.

    $360 (Avg Bid)
    $360 Avg Bid
    68 bids

    I'm looking for a skilled web developer to join our team in bringing our project from a concept to a fully functional website. there are many parts to this project so its not going to be a quick 3-6 month project, the job is completed when the is fully functional and a turn-key operation. A proposal agreement will need to be work out prior to the start of the project by communicating with the team, the PM or myself until a majority of the proposal is acceptable to say the least. Key Requirements: - Proficient in PHP, , React.js, Node.js, Composer, and MariaDB. - Strong experience with framework. - Capable of making tough decisions independently while still working well in a team. Functionality Required: - Seamless user registration and login system. - Development of an interactive ...

    $288 (Avg Bid)
    $288 Avg Bid
    160 bids

    I'm seeking an experienced website developer to create an e-commerce based casino web platform for me. The website needs to be modern and vibrant to attract users. Its central feature should be slot machines. Your responsibilities will include: - Designing a modern, eye-catching, and user-friendly layout. - Implementing e-commerce capabilities into the website. - Constructing online slot machines. Ideal skills and experience would include: - Extensive experience in web development, - Familiarity with e-commerce website creation, - Excellent graphic design skills, - Experience with creating games especially slot machines would be a huge plus. Your ability to deliver an engaging, interactive platform on time and within budget is a must.

    $1355 (Avg Bid)
    $1355 Avg Bid
    69 bids

    I'm looking for an expert software developer to customize GymDesk app for use in our swim club. Features that need to be incorporated include: - Class scheduling/booking - Membership management - A way to have an overview of class bookings - Swim club view - Members view - News page - Calendar page - Payment options - QR code Member ID Admin rights should be managed through various access permissions for different user roles such as admin, staff, and as instructor. The swim club and member views should be based on these rights. Ideal candidates would have experience in developing fitness apps or similar projects and understand the requirement of integrating multiple features. Knowledge in the creation of secure payment portals will be added as an advantage. Obs its a lot o...

    $20 / hr (Avg Bid)
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    70 bids

    Seeking a Craft CMS developer to perform updates on 7 available items. Getting few warnings -: 1). You’ve reached a breakpoint! More updates will become available after you install Craft CMS 3.7.27.2. 2). After updating, run the following command for each Structure section, to prune unneeded structure data for drafts and revisions. etc 3). I think we need to run composer update to resolve this. Via SSH access. for more detail pfa....

    $36 / hr (Avg Bid)
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    27 bids

    I'm looking for a skilled full stack developer with experience in creating layout designer tool for customer to create their content layout. Key Requirements: - Develop a new digital signage software - Implement Content Scheduling: The software should have a feature that allows scheduling of content to be displayed on the screens. - Remote Management: The software should enable the users to manage the content remotely. - Templates and Themes: The software should be able to offer pre-designed templates and themes for the users to choose from. Your Role: You will be responsible for the development of the software and ensuring that it meets the requirements above. Ideal Skills and Experience: - Full stack development - Experience in layout designer tool for users to cr...

    $11 / hr (Avg Bid)
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    12 bids

    Busco programador experto en frontend y backend. Quiero implementar el link de muestra en mi página de wordpress. Quiero que quede así: Preferiblemente que hable español.

    $31 (Avg Bid)
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    31 bids

    Interested applicants please start your application with your favourite type of pizza! Thank you. Description: We are a health enhancement business focusing on providing DEXA scans and VO2 max testing. We are looking for an experienced freelance web developer to create a web application that will streamline our customer experience and provide easy access to their test results. Currently, we have a WordPress site, and we aim to integrate this new functionality seamlessly. Project Overview: Customer Portal: A secure, user-friendly portal where customers can log in using their email (unique ID) or via Facebook or Gmail. Result Upload System: An admin panel where BodyStats staff can upload test results for each customer. Automated Notifications: Once the results are uploaded, the system sh...

    $16 / hr (Avg Bid)
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    54 bids

    I'm seeking an experienced Java professional to provide assistance for my daily backend development tasks. This will be an ongoing monthly basis arrangement with a minimum of one daily update. Key Responsibilities: - Debugging and fixing errors in the existing codebase - Writing new code from scratch, adhering to best practices and coding conventions - Enhancing existing code to improve performance, scalability, and maintainability As the nature of the tasks primarily involves backend development, the ideal candidate should have a strong background in this area. Experience with Java frameworks and databases will be beneficial. The professional will be expected to provide daily updates on the tasks completed and any challenges faced. The ideal professional for this position should ...

    $312 (Avg Bid)
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    35 bids
    Go Language Expert Needed 3 hours left
    VERIFIED

    I'm in need of a skilled Go Language expert for an upcoming project. Ideal Skills and Experience: - Proven track record with Go Language - Minimum 3 years of Experience - Ability to optimize existing code - Proficiency in debugging and troubleshooting - Experience in developing new features - Any industry-specific experience is a plus Please provide your portfolio when applying. Looking forward to working with you.

    $317 (Avg Bid)
    $317 Avg Bid
    14 bids

    I'm looking for a skilled full stack developer with experience in creating layout designer tool for customer to create their content layout. Key Requirements: - Develop a new digital signage software - Implement Content Scheduling: The software should have a feature that allows scheduling of content to be displayed on the screens. - Remote Management: The software should enable the users to manage the content remotely. - Templates and Themes: The software should be able to offer pre-designed templates and themes for the users to choose from. Your Role: You will be responsible for the development of the software and ensuring that it meets the requirements above. Ideal Skills and Experience: - Full stack development - Experience in layout designer tool for users to cr...

    $2738 (Avg Bid)
    $2738 Avg Bid
    61 bids

    I'm in need of an experienced full-stack developer who specializes in Java, specifically the Spring Boot framework, to create an admin panel for a betting website. Key Functionalities: - Ledger: Implement a comprehensive ledger system that tracks all financial transactions including shares, commissions and other dealings. - Cash Transactions: Develop a log to manage and record all cash transactions within the system. - Panel Creation: Set up the necessary panels such as Admin, sub-admin, SuperAgent and Agent. - Share distribution: Implement a system that tracks and manages the distribution of shares. Additional Information: - I already have a design in place for the admin panel, so the focus will be on the programming and functionality. - It is crucial that the system gen...

    $2707 (Avg Bid)
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    10 bids

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

    $470 (Avg Bid)
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    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)

    $176 (Avg Bid)
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    10 bids

    对标“成家相亲”微信小程序,面相单身群体父母的相亲交友程序。 包括前端和后端。

    $479 (Avg Bid)
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    12 bids

    Kami membutuhkan web dashboard berbasis dengan Supabase sebagai backend untuk mengelola seluruh aspek bisnis kami, termasuk: **Fitur Utama:** * **Manajemen Pengguna (RBAC):** * Admin (Akses Penuh) * Operasional * Keuangan * **Manajemen BL (Bill of Lading):** * Input dan kelola data BL (Nomor pengiriman atau BL, Tanggal, dll) * Generate dokumen BL (template disediakan pdf) * Ekspor data BL ke Excel * Buat dokumen transaksi terkait (Invoice, Debit Note) * **Manajemen Invoice:** * Buat, edit, dan kelola invoice * Generate dokumen invoice (template disediakan pdf) * Ekspor data invoice ke Excel * **Manajemen Debit Note:** * Buat, edit, dan kelola debit note * Generate dokumen debit note (template disediakan pdf) * Ekspor data debit note...

    $522 (Avg Bid)
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    24 bids

    Busco programador experto en frontend y backend. Quiero implementar el link de muestra en mi página de wordpress. Quiero que quede así: Preferiblemente que hable español.

    $177 (Avg Bid)
    $177 Avg Bid
    42 bids

    AI temelli uygulama, soru bankası, oyunlaştırma unsurları ve performans analitiği, öğrenme gibi özellikler içermelidir. Ana Özellikler: - Kullanıcı Kaydı ve Profil Yönetimi - Kapsamlı Soru Bankası - Oyunlaştırma (Puanlar, Rozetler, Seviyeler) - Performans Analitiği ve Raporları - Simülasyonlar

    $450 (Avg Bid)
    $450 Avg Bid
    34 bids

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