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I’m adding a second set of hands to accelerate the backend API work on our business application. The project is built with Node.js (latest LTS), Express and PostgreSQL, and lives behind a robust CI/CD pipeline. Your sole focus will be backend API development; the front-end, DevOps and UI layers are already staffed. You’ll be tackling brand-new feature development. Every upcoming module is already mapped out in detailed documentation and diagrams, so you can dive straight into writing code rather than guessing requirements. You’ll work against clearly defined acceptance criteria and have direct access to me for quick clarifications. Deliverables • Fully functional REST (or GraphQL if you prefer) endpoints for each assigned feature • Corresponding SQL migrations plus any performance-minded query optimizations • Unit and integration tests that pass in our GitHub Actions pipeline • A concise README or in-code comments explaining decisions that aren’t obvious from the spec We communicate in Slack, manage tasks on Jira, and use Pull Requests for code review. If you’re comfortable pushing clean, well-tested Node.js code and have a knack for squeezing every bit of efficiency out of PostgreSQL, let’s talk—I’m ready to slot you in right away.
Proje No: 40056098
98 teklifler
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98 freelancer bu proje için ortalama $20 USD/ saat teklif veriyor

⭐⭐⭐⭐⭐ Efficient Backend API Development with Node.js and PostgreSQL ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project details and see you are looking for backend API development support. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for backend API work. I will focus on creating fully functional REST or GraphQL endpoints, ensuring that your requirements are met efficiently. ➡️ Why Me? I bring 5 years of solid experience in backend development using Node.js and PostgreSQL. My expertise includes API development, SQL optimization, and writing unit tests. Additionally, I have a strong grip on CI/CD practices and documentation, ensuring smooth integration and clarity in the project. ➡️ Let's have a quick chat to discuss your project in detail. I can provide samples of my previous work, showcasing my skills in backend API development. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Node.js Development ✅ Express Framework ✅ PostgreSQL Optimization ✅ REST API Creation ✅ GraphQL Implementation ✅ Unit Testing ✅ Integration Testing ✅ CI/CD Practices ✅ Code Review ✅ SQL Migrations ✅ Documentation ✅ Agile Methodologies Waiting for your response! Best Regards, Zohaib
$17 USD 40 gün içinde
7,6
7,6

Hello, I’m excited to support your backend development needs by delivering clean, efficient, and well-tested API features for your Node.js, Express, and PostgreSQL application. With strong experience in backend architecture, SQL optimization, and CI/CD pipelines, I can onboard quickly and start contributing to new modules immediately. Here’s my approach: ◆ API Development: Build fully functional REST or GraphQL endpoints aligned with your documentation and acceptance criteria. ◆ Database & Migrations: Implement performant PostgreSQL queries, indexes, and SQL migrations with attention to efficiency. ◆ Testing Workflow: Write robust unit and integration tests that pass seamlessly in your GitHub Actions pipeline. ◆ Clean Code & Documentation: Provide clear comments and concise README notes for any non-obvious decisions. ◆ Collaboration: Communicate through Slack, manage tasks in Jira, and follow your PR review process. You’ll receive production-ready, well-structured backend features delivered reliably and efficiently. Best regards, Niral D
$15 USD 40 gün içinde
6,7
6,7

As a senior developer with in-depth experience in backend API development using Node.js and PostgreSQL, I can certainly expedite your project. I'm well-versed in the latest LTS of Node.js, Express, and PostgreSQL – having used them extensively in building numerous business applications over my 10+ years' career. Our team at Einnovention has a reputation for consistently delivering high-quality, scalable solutions for our global clientele. Your project's meticulous documentation and diagramming mean I can dive right into writing clean, efficient code without any ambiguities. My track record of creating fully functional REST (or GraphQL) endpoints, performing SQL migrations and query optimizations – all complemented with rigorous testing – make me a perfect fit for your team. With streamlined communication through Slack and task management on Jira - we can drive the development process efficiently. Moreover, what sets Einnovention apart is our commitment to long-term partnerships and client satisfaction. We offer unlimited revisions and two weeks of free support post-delivery to ensure your complete satisfaction. So, if you're looking for a skilled professional who delivers on time while exceeding expectations, let's connect to discuss your project further!
$20 USD 40 gün içinde
6,6
6,6

Hi Abdulaziz, We’ve built several large-scale web applications using Node.js and Express, with PostgreSQL as the primary database. One of our recent projects, Descripio, involved developing a complete backend for a Chrome extension that used AI to generate product descriptions from Amazon data. We implemented CI/CD pipelines, integrated third-party APIs, and created a fully functional admin panel. We also have extensive experience with server management and can handle DevOps tasks as needed. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$25 USD 40 gün içinde
6,2
6,2

Hello! As per your project post you are looking to onboard a Node.js & PostgreSQL developer to accelerate backend API development for your business application. The goal is to implement new modules efficiently while maintaining code quality, scalability, and smooth integration with the existing CI/CD pipeline. My focus will be on delivering reliable and maintainable RESTful APIs, working with PostgreSQL for complex queries and schema design, integrating with existing services, and ensuring adherence to the documented acceptance criteria. I will also implement robust error handling, input validation, and performance optimizations to keep the backend scalable and responsive. I specialize in Node.js backend development, PostgreSQL database design, and building production-ready APIs with Express. My approach ensures clear modular code, easy integration with your current architecture, and fast turnaround on new feature modules. Let’s connect to discuss the API workflow, module priorities, and how I can help speed up your backend development effectively. Best regards Nikita Gupta
$15 USD 40 gün içinde
6,3
6,3

Hi there ,Your project calls for a backend engineer who can jump straight into a mature Node.js environment and deliver new API modules without slowing the pipeline. The combination of Express, PostgreSQL and clear technical specs makes it possible to focus entirely on clean architecture, performance-minded queries and predictable endpoint behavior. I’ve shipped multiple production APIs with Node.js LTS, PostgreSQL, SQL migrations and automated test suites wired into GitHub Actions. For your features, I’d implement REST or GraphQL endpoints based on your spec, create tuned migrations, and add unit and integration tests that run reliably through CI. Code will be documented, readable and aligned with the acceptance criteria you provide. Before we begin, can you share whether the existing codebase follows a specific pattern (e.g., service/repository, domain-driven design)? And would you prefer endpoints delivered in batches or on a rolling basis as they’re completed?
$22 USD 40 gün içinde
5,8
5,8

As a seasoned software developer with over 14+ years of experience, I founded my IT business on the core values of delivering high-quality, bug-free solutions on-time and within budget - values you've listed as crucial for this project. My team and I have had 200+ satisfied clients who can attest to our commitment to perfection, clearly mirroring your need for efficient backend API development in this project. My proficiency in Java, JavaScript, Node.js, NoSQL Couch & Mongo, and importantly PostgreSQL - a key element in your tech stack - positions me as an ideal fit for your project. I guarantee robust, well-tested REST or GraphQL endpoints for every new feature module by drawing not just from my technical expertise but also my acute attention to detail honed over the years. Efficiency and performance are not mere buzzwords when it comes to database management or coding; they're my primary objectives. My understanding of GitHUb Actions pipeline, Slack communication, Jira task management is pretty sharp too. All these skills have facilitated my numerous successful projects in the past where I've always adhered to clearly defined acceptance criteria and ensured swift communication channels with hands-on project owners like yourself. My end game is simple- ensure you're satisfied with each deliverable made at each stage. So let's put our heads together and drive your project towards success!
$15 USD 40 gün içinde
6,6
6,6

Hi, I’d be happy to jump in as your second backend developer and help move the API work forward quickly. I’m very comfortable with Node.js (LTS), Express, PostgreSQL, and collaborative workflows involving CI/CD, Jira, PR-based reviews, and structured documentation—so your setup aligns perfectly with how I already work. I’ll take each feature spec and translate it into clean, well-structured REST (or GraphQL) endpoints, along with the required SQL migrations and performance-minded queries. I always include meaningful unit and integration tests so everything passes cleanly in GitHub Actions. Where logic or design choices aren’t immediately obvious, I document them clearly in the README or inline comments. My focus is writing code that’s easy to maintain, easy to review, and efficient at scale. You can expect reliable communication on Slack, fast turnaround on tasks, and PRs that follow best practices. If the goal is to accelerate development without sacrificing quality, I’m ready to join right away.
$15 USD 40 gün içinde
5,9
5,9

Hi, Could you share the specific features you’re looking to develop first? I’m eager to help accelerate your backend API work. With my extensive experience in Node.js and PostgreSQL, I can quickly build and optimize the required endpoints. I’ll ensure that REST or GraphQL interfaces are developed with clean, efficient code while following your documented specs. Additionally, I will implement SQL migrations and performance enhancements as needed, ensuring everything aligns with your CI/CD pipeline. I’m comfortable with unit and integration testing, and I’ll provide clear documentation for any complex decisions made along the way. Let’s connect via Slack to discuss details further and get started right away! Best Regards, Priyanka
$15 USD 40 gün içinde
6,2
6,2

Hi Abdulaziz, I’m excited to assist you in accelerating the backend API work on your business application. With extensive experience in Node.js and PostgreSQL, I'm confident in my ability to contribute effectively to your team. I have successfully delivered numerous projects involving RESTful API development and have a deep understanding of writing efficient SQL queries and optimizing performance within a CI/CD environment. I understand you have detailed documentation and diagrams in place, which will allow me to jump straight into writing clean, optimized code. I also appreciate the emphasis on unit testing and code review, as it aligns with my commitment to delivering high-quality work. I can start immediately once you award the project. Let's connect to discuss the specifics and dive into the development process.
$20 USD 21 gün içinde
5,7
5,7

Hello! I'm excited to join your team as the second developer for accelerating the backend API work on your business application. With expertise in Node.js, Express, and PostgreSQL, I will focus on backend API development exclusively. You can count on me to deliver fully functional REST endpoints, SQL migrations, optimized queries, tests passing GitHub Actions, and clear documentation. Let's collaborate efficiently using Slack, Jira, and PRs for code review. Looking forward to contributing effectively.
$15 USD 34 gün içinde
5,7
5,7

Hi — we can join as your second backend developer and start delivering clean, well-tested Node.js + PostgreSQL features immediately. we work comfortably with Express, REST/GraphQL, migrations, and performance-focused SQL, and we are used to shipping code through CI/CD pipelines with PR reviews. What you can expect: • Fully functional endpoints built directly from your specs • SQL migrations with optimized queries where needed • Unit + integration tests that pass in GitHub Actions • Clear comments/README for any non-obvious decisions • Smooth collaboration via Slack, Jira, and PR workflow we can start right away and plug into your existing structure with no onboarding friction. Lets connect over chat and discuss.
$16 USD 40 gün içinde
5,8
5,8

Hi, I’m Malik, an experienced Full-Stack Developer with 9+ years in Node.js, Express, and PostgreSQL. I specialize in building clean, efficient, and well-tested backend APIs, and I’m confident I can accelerate your project without needing front-end or DevOps oversight. I’ll focus on delivering: • Fully functional REST or GraphQL endpoints for each assigned feature • SQL migrations and optimized queries tailored for PostgreSQL performance • Unit and integration tests passing your GitHub Actions pipeline • Clear, concise documentation or inline comments for any non-obvious logic With your detailed diagrams and specs, I can start immediately and write code that meets the acceptance criteria without guesswork. I’m comfortable working with Slack, Jira, and PR reviews, and I follow best practices for maintainable, high-performance code. I prioritize efficiency, reliability, and clear communication to ensure smooth collaboration and rapid feature delivery. I can seamlessly integrate into your existing workflow and help push the backend to production-ready quality faster. Looking forward to contributing to your project. Best regards, Malik
$20 USD 40 gün içinde
5,9
5,9

⭐Hi, I’m ready to assist you right away!⭐ I believe I'd be a great fit for your project since I have solid expertise in Node.js, PostgreSQL, and backend API development. My experience aligns perfectly with the requirements as I have worked extensively on building RESTful APIs and optimizing PostgreSQL queries. I can ensure efficient development of new features and robust REST or GraphQL endpoints that meet your acceptance criteria.
$20 USD 31 gün içinde
5,1
5,1

With over 15+ years of expertise in the technical realm, I bring a wealth of knowledge in Node.js and PostgreSQL that perfectly aligns with your project's backend development needs. My skill set is rooted in JavaScript, a crucial asset for building powerful REST or GraphQL endpoints like you've outlined. My keen eye for detail and efficiency has allowed me to optimize query performance on various projects. Combined with my substantial experience pushing clean, well-tested code using GitHub Actions and delivering fully functional applications according to assigned features, I am confident that I can contribute significantly to your team from day one. Furthermore, I prioritize effective communication channels throughout the project lifecycle - an approach which served me and my clients well as I propose we leverage Slack for our daily correspondence. With my dedication towards delivering quality service on time combined with my desire to support even after final product delivery, I guarantee 100% satisfaction throughout our collaboration. Let's connect via Jira to discuss how we can move forward!
$15 USD 40 gün içinde
5,0
5,0

Hello there, I'm eager to contribute to your Node.js and PostgreSQL business application as a second backend developer. With experience in building robust APIs using Node.js and Express, along with optimizing PostgreSQL queries, I am well-prepared to tackle the feature development tasks you've outlined. I am also familiar with CI/CD pipelines, ensuring seamless integration of new features. I appreciate the detailed documentation and acceptance criteria, which will allow me to focus on writing efficient and clean code. I am skilled in both REST and GraphQL, and can deliver fully functional endpoints, SQL migrations, and performance enhancements. Additionally, I'm adept at writing unit and integration tests to ensure code reliability. Questions: • Do you have a preference for REST or GraphQL for upcoming modules? • Is there a specific testing framework you prefer for unit and integration tests? I'm comfortable using Slack, Jira, and GitHub for communication and task management. I'm ready to start immediately and deliver clean, well-tested code to enhance your application. Thanks and best regards, Faizan
$19 USD 40 gün içinde
5,3
5,3

My name is shivpal, and I am the founder of Carol Data Technology, an ISO 9001:2008 Certified Global IT Service Provider with more than 10+ Years of Experience. I specialize in Backend Development and have extensive experience in Java, Node.js and PostgreSQL- all of which are closely related to your project needs. I assure you of my capability to deliver efficient REST or GraphQL endpoints for your new features. My decade-long profession in JS also makes unit and integration tests child's play. For us at Carol Data Technology, client satisfaction is paramount. We promise to offer daily reports on project progress and if you choose me to be their second developer, we will work diligently to maintain excellent communication throughout the project, leveraging communication channels like Slack, Jira & Github that your team already uses. Moreover, I find joy in squeezing out every bit of optimization potential from code, and PostgreSQL is a DBMS that I've invested years of my career on - this means the world class performance your application requires is guaranteed with me on board. Remember; as part of our after-sales service commitment, we have provisioned a satisfaction guarantee - a promise that sets us apart from others! Let's collaborate and achieve great results together.
$15 USD 40 gün içinde
5,9
5,9

Hello Abdulaziz, I am Vishal Maharaj, a seasoned developer with 20 years of expertise in JavaScript, PostgreSQL, RESTful API, API Development, Backend Development, GraphQL, Node.js, NoSQL Couch & Mongo, and RESTful. I have carefully reviewed your requirements for the second developer role for the Node.js & PostgreSQL backend API work on your business application. To ensure the successful completion of the project, I will focus on developing fully functional REST or GraphQL endpoints for each assigned feature, optimizing SQL migrations and queries for performance, implementing unit and integration tests, and providing clear documentation for transparency. I am well-versed in Slack, Jira, and GitHub Actions for seamless communication and task management. I am eager to discuss this opportunity further with you. Please initiate the chat at your earliest convenience. Cheers, Vishal Maharaj
$25 USD 40 gün içinde
5,3
5,3

Hi Abdulaziz J., I am excited about the opportunity to collaborate on your backend API development. With 7+ years of experience in JavaScript, Node.js, PostgreSQL, and RESTful API development, I can effectively accelerate your project by designing fully functional RESTful endpoints and optimizing SQL queries as per your clear specifications. I am proficient with GitHub Actions, ensuring that all units and integration tests pass seamlessly within your CI/CD pipeline. Also, I have extensive experience in creating concise documentation and comments that enhance code clarity for future reference. You can review my portfolio here: [https://www.freelancer.com/u/KanzahAfaqAhmad](https://www.freelancer.com/u/KanzahAfaqAhmad) I look forward to the possibility of contributing to your project and tackling the assigned features together. Thank you, Regards, Kanzah Afaq
$20 USD 7 gün içinde
4,3
4,3

My main skill is Node.js + ExpressJS for backend with PostgreSQL and I believe I would be a great fit for your project. I take full ownership of every project, ensuring that the code is maintainable and optimized for long-term growth. I'm available to dedicate my full attention to your project and would be happy to discuss further details. Feel free to reach out anytime. Thank you!
$20 USD 40 gün içinde
4,2
4,2

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