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I have an active web platform whose backend is built with NestJS and TypeScript, and I’m ready to push it to the next level. The codebase is stable but needs a round of updates, tweaks, and performance improvements. Your mission is to dive into the existing repository, write clean, consistent code, and extend or refactor what’s already there without breaking any current functionality. You’ll be working directly in a NestJS-driven environment, so solid command of Node.js, TypeScript, and best-practice architectural patterns is non-negotiable. Expect to interact with a Git workflow, review pull requests, and back your changes with unit or integration tests so we keep regression risks to a minimum. Key deliverables: • Implement improvements and new logic where needed in the current NestJS modules • Refactor sections that violate style or scalability guidelines while preserving behaviour • Optimise critical paths for speed, stability, and resource usage • Document the updated endpoints, services, and any new environment variables Once we agree on scope, I’ll grant repository access and outline the exact modules that need attention. If you’re confident with NestJS internals, eager to ship production-ready code, and comfortable collaborating through Git, let’s get started.
Project ID: 40486393
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I’ve worked on refactoring codebases and closing issue for 1-2 years. that is my primary job. So i see that i can gladly help.
$55 USD in 4 days
0.0
0.0
134 freelancers are bidding on average $146 USD for this job

Hi there, ★★★ Node.js / TypeScript Expert ★★★ 4+ Years of Experience ★★★ I can implement improvements and refactor existing code with clean, consistent practices. This will include: - Implementing improvements and new logic in the current NestJS modules. - Refactoring sections that violate style or scalability guidelines. - Optimizing critical paths for speed and stability. - Documenting updated endpoints and services. I will dive into the existing repository, ensuring that all changes are backed by unit tests and follow best practices. I’m comfortable working in a Git workflow and will keep regression risks to a minimum. Ready to start once you provide repository access and outline the exact modules that need attention. Thanks!
$210 USD in 5 days
7.8
7.8

⭐⭐⭐⭐⭐ Enhance Your NestJS Backend with Clean Code and Performance Boosts ❇️ Hi My Friend, I hope you are doing well. I reviewed your project requirements and see you're looking for backend improvements in NestJS. You don’t need to look any further; Zohaib is here to help you! My team is already handling 50+ similar projects for NestJS applications. I will dive into your existing code, implement updates, and ensure everything runs smoothly without breaking current features. ➡️ Why Me? I can easily improve your NestJS backend as I have over 5 years of experience in Node.js and TypeScript development. My expertise includes code refactoring, performance optimization, and unit testing. I also have a strong grip on Git workflows and architectural patterns, ensuring your project adheres to best practices. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ NestJS Development ✅ TypeScript Programming ✅ Node.js Expertise ✅ Code Refactoring ✅ Performance Optimization ✅ Unit Testing ✅ Git Workflow ✅ API Design ✅ Documentation ✅ Debugging ✅ Scalability Improvements ✅ Code Review Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.7
7.7

**I HAVE SUCCESSFULLY WORKED ON SEVERAL NESTJS & TYPESCRIPT PLATFORMS, DELIVERING SCALABLE BACKEND ENHANCEMENTS, PERFORMANCE OPTIMIZATIONS, AND CLEAN REFACTORING FOR PRODUCTION SYSTEMS.** Hello, I would be glad to assist with enhancing and optimizing your existing NestJS backend. With strong experience in NestJS, TypeScript, Node.js, REST APIs, database optimization, and scalable backend architecture, I can efficiently extend your current codebase while maintaining stability and backward compatibility. **What I can deliver:** * Enhancement of existing NestJS modules and business logic * Clean refactoring following NestJS best practices and SOLID principles * Performance optimization for critical services and database operations * Unit and integration testing to minimize regression risks * API documentation updates and environment configuration documentation * Git-based collaboration, code reviews, and structured pull requests **Technical Expertise:** NestJS, TypeScript, Node.js, PostgreSQL/MySQL, REST APIs, Authentication, Microservices, Testing (Jest), CI/CD, Docker, and Git workflows. I focus on writing maintainable, well-documented, production-ready code that improves scalability, reliability, Looking forward to collaborating with you.
$140 USD in 7 days
6.9
6.9

Hello, your "NestJS Backend Enhancements Needed" project is right in my wheelhouse. I build modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with javascript, nosql couch & mongo, node.js, software development, angularjs, git, backend development, api development, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I can lock down the scope and key flows first, then ship in reviewable increments. Can we hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "Excellent work by the developer! They built my Video Trimmer website exactly as I wanted. The website is fast, user-friendly, and works smoothly. Communication was clear throughout the project, and…" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$200 USD in 4 days
6.5
6.5

Hello, I understand you need a seasoned NestJS developer to refine and scale your stable backend with clean, consistent enhancements. This project involves targeted improvements, refactoring for scalability, and adding new logic within your existing NestJS and TypeScript architecture. I will follow your Git workflow, write unit/integration tests to ensure zero regression, and adhere to strict code quality. I'll use a layered approach—Service, Repository, DTOs—and propose alternatives like microservices or caching if relevant. How do you handle version branching and test coverage expectations for this repository? Thanks, please get in touch, looking forward to refining your platform together.
$170 USD in 5 days
6.3
6.3

Hello there, I'm very interested in enhancing your NestJS backend. My expertise in Node.js, TypeScript, and NestJS, coupled with solid architectural patterns, aligns perfectly with your project needs. I'm proficient in refactoring, optimizing critical paths for speed, and implementing clean, tested improvements while maintaining current functionality. I thrive in a Git-driven environment and am ready to deliver production-ready code. Let's connect to discuss details. Regards, Nikhil Chandra Roy.
$70 USD in 7 days
6.3
6.3

Hi there, Maintaining and enhancing a robust NestJS backend without disrupting existing functionality can be challenging. Issues like outdated code, inefficient paths, and lack of testing often lead to instability. With my expertise in Node.js, TypeScript, and architectural best practices, I ensure smooth transitions and improved performance by writing clean, consistent, and well-tested code. Here are my questions to tailor my approach: Are there specific modules you foresee needing extensive refactoring? What are the immediate performance bottlenecks you’re experiencing? Drop me a message so we can get started right away!
$250 USD in 10 days
5.9
5.9

Hello Sir, I have 5 years of experience working with NestJS development. Let's discuss this further. Thanks, Bhargav.
$140 USD in 7 days
5.8
5.8

Hello there, we are a team of senior Full Stack Web and Mobile App Developers and we can do this project in no time. Thanks Ashish Kumar.
$140 USD in 7 days
5.6
5.6

Hello, I have extensive experience in the mentioned technologies and am ready to start immediately. Let’s connect via chat to discuss the project requirements further. Thank you, Jignesh
$240 USD in 3 days
5.3
5.3

I understand you're looking for a NestJS developer to enhance your stable web platform, focusing on updates, tweaks, and performance improvements while maintaining existing functionality. I've successfully optimized Node.js applications by identifying and resolving bottlenecks, resulting in a 25% reduction in API response times for a previous client. My approach will involve a deep dive into your existing NestJS repository using TypeScript, meticulously refactoring and extending modules to meet your enhancement goals. Deliverables will include well-tested, documented code integrated via your Git workflow, with specific focus on improving query efficiency and introducing caching mechanisms where appropriate, all built within your established Node.js ecosystem. Given the focus on performance improvements, what is the current observability strategy in place for monitoring backend metrics? Ready to start as soon as you confirm scope.
$194 USD in 21 days
5.2
5.2

Hello, NestJS refactoring and performance work on a stable codebase — the key is improving without breaking, which means tests before any refactor, not after. I'd start by reviewing the existing modules and identifying the highest-impact bottlenecks first — usually N+1 query patterns or unguarded async chains in NestJS services. Refactors go module by module with unit tests covering each changed path before the PR is raised. All new endpoints and env variables documented inline as part of the commit, not as an afterthought. Looking forward to working with you. Mateo
$185 USD in 12 days
5.3
5.3

✋ Hi There!!! ✋ The Goal of the project:- Enhance and optimize the NestJS backend with clean code, improved performance, and scalable architecture. I carefully reviewed your requirement for refining existing NestJS modules, maintaining stability, improving performance, and ensuring proper testing and documentation. I am a strong fit because I specialize in structured backend systems with clean, maintainable code and efficient performance tuning. • Refactoring and extending NestJS modules while preserving existing functionality • Performance optimization of critical APIs with improved stability and resource usage • Proper documentation, testing, and Git based collaboration workflow I provide UI design support, database management, testing, and full source code delivery with documentation. With 9+ years as a full stack developer, I have worked on similar Node.js and NestJS backend systems with scalable architecture and clean code practices. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$111 USD in 7 days
4.9
4.9

As a seasoned full-stack developer with over six years of experience, I believe I'm the best fit for your NestJS backend enhancement project. While I primarily focus on PHP, Laravel, React JS, and Flutter, my software development skills are not limited to these. Over the course of my career, I've cultivated a solid command over JavaScript and Node.js, which forms the foundation of your platform's backend architecture. My expertise extends beyond writing clean and consistent code; I embrace Git workflows and maintain high standards by authoring unit and integration tests. My priority always lies in delivering scalable and speedy applications that operate at peak performance. This aligns perfectly with your requirement of not only enhancing existing modules but also refactoring them to comply with style and scalability guidelines without sacrificing functionality. In conclusion, as a developer who values clear communication and steady progress updates, you can rest assured that your project will be handled efficiently. My Full-Cycle project management experience ties up everthing together from executing tailored web/mobile solutions to offering hosting & deployment assistance. Let's collaborate through Git and take your NestJS backend to the next level!
$30 USD in 1 day
4.5
4.5

Hi, I’m excited about the opportunity to enhance your NestJS backend and elevate your web platform's performance. With strong expertise in Node.js, TypeScript, and deep experience in NestJS, I specialize in clean, scalable code that maintains stability while introducing impactful improvements. I’ve successfully refactored and optimized modules before, ensuring code consistency and adherence to best practices, plus, I’m well-versed with Git workflows and testing strategies to safeguard against regressions. I’ll start by meticulously reviewing your existing repository, then prioritize updates and refactoring in critical areas to boost both speed and reliability. Clear documentation of all changes and new environment variables will be provided to keep your team aligned. Once we finalize the scope, I’m ready to jump in immediately. Looking forward to collaborating and pushing this project forward! Which modules or features are your top priority for these backend enhancements? Best regards,
$155 USD in 21 days
4.7
4.7

Hi, this is Osama. I understand that you need improvements in an active NestJS backend that must be updated, refactored, and optimized without breaking existing functionality. The key point here is to improve the current modules, performance, and code quality in a clean, reliable, and production-safe way. I have experience with NestJS, Node.js, TypeScript, REST APIs, Git workflows, testing, and backend architecture. For this project, I would first review the current repository structure, then identify the modules that need refactoring or extension, implement the changes carefully, and test the important flows to keep regression risk low. My approach would be to review the current requirements, existing structure, and main technical issues; prepare a clear implementation plan before starting development; build or improve the core features step by step with clean and maintainable code; test the important user flows, fix bugs, and make sure everything works smoothly; and provide clear updates during development and deliver the final work with a proper explanation. I can also document the updated endpoints, services, and any new environment variables so the handoff stays clear for your team. I can start anytime and work full-time. I look forward to working with you. Regards, Osama
$100 USD in 1 day
4.3
4.3

Hi, I am a Backend Developer with 8 years of rich experience. I am familiar with NestJS, TypeScript, Node.js, MongoDB, and Git. For this project, the most important part is improving the existing codebase without affecting current functionality. I can refactor NestJS modules, optimize performance, and add new features while maintaining clean architecture and test coverage. I will ensure all changes are well documented and production-ready. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
$250 USD in 7 days
4.5
4.5

With a strong background in API and backend development using NestJS and TypeScript, my professional career matches the requirements of your project. I have spent years working on complex codebases, implementing improvements and refactoring existing sections to enhance stability, scalability, and maintainability - all while preserving crucial functionality. This aligns perfectly with what you're seeking: an experienced developer to level up your codebase without breaking your product. Beyond just coding, my team at Web Crest thrives in collaborative environments such as Git workflows. We understand the significance of clear communication, transparent workflow management, and timely task completion to ensure a smooth development process. Having already worked on multiple projects that involve Node.js, TypeScript, and architectures like NestJS, I guarantee that I can deliver production-ready updates for your web platform. Furthermore, our extensive experience working with cloud-native architectures on AWS, Google Cloud, and Azure could be valuable for the potential optimization process. Our aim has always been to build systems that grow with the business they serve which aligns with your goals for the project. Ultimately, choosing to work with us is not just getting developers but also a long-term technology partner that will exceed your expectations! Let’s work together for impactful innovation!
$100 USD in 3 days
4.2
4.2

Hi, I've got extensive experience with NestJS and TypeScript, having built and optimized similar backend systems. I can dive into your existing codebase, implement necessary improvements, and ensure all updates align with best practices without disrupting current functionality. Let’s start with a small task to ensure alignment before tackling the larger scope. Best Regards, Ivica
$140 USD in 7 days
4.1
4.1

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for sharing the detailed project brief. I can enhance your web platform built with NestJS and TypeScript, focusing on stability and performance. I will refactor and update existing code while ensuring seamless functionality. I will deliver: • Implement improvements in NestJS modules • Refactor to enhance style and scalability • Optimize critical paths for speed, stability • Document updated endpoints and services You will also receive documentation for the updated codebase. I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$200 USD in 7 days
3.8
3.8

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