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I’m looking for a single partner who can jump across my full stack and keep every layer healthy, fast, and user-friendly. React & Node.js – I have new features specced out, a backlog of bugs, and some noticeable slowdowns in production. You’ll help me roll out the features, squash the bugs, then profile and tune performance so the UI feels instant and the API stays lean. .NET – An existing internal tool already does the job, but it needs new modules, UI tweaks, and tighter integration with our latest APIs. You’ll build those enhancements without breaking what’s in place. PHP – Our customer-facing site occasionally throws errors and suffers from outdated code patterns. Your task is to track down the issues, refactor where sensible, and leave the site stable and maintainable. Design, API & PG – When a new screen is needed, I’ll supply rough wireframes; you’ll translate them into clean Figma comps. – Any new feature should expose or consume a well-documented REST API. – Data lives in PostgreSQL, so solid schema design and efficient queries are essential. Deliverables • Updated React front-end and Node.js backend with new features live, bugs fixed, and performance metrics improved • Enhanced .NET application compiled and deployed with added functionality and full regression test pass • PHP website issues resolved and codebase cleaned up • Figma files for each new screen, linked components, and design specs • Updated API endpoints with Swagger (or similar) docs • PostgreSQL migrations and optimized queries committed to repo I work in GitHub, run CI/CD through GitHub Actions, and prefer concise, well-commented pull requests. If you’re comfortable moving between these technologies and can communicate progress clearly, let’s get started.
Project ID: 40393493
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71 freelancers are bidding on average ₹24,687 INR for this job

React app is on CRA/Vite or Next now? Node API uses PM2, Docker, or plain VPS deploy? PHP site is custom PHP or framework based? I went through your description carefully. Hi, this is Ambar Shome, I work independently but also run Shome & Associates for larger projects. You need someone who can keep multiple codebases moving without making a mess. I do this kind of mixed maintenance work often. First I’d check what is already stable, then touch only what needs touching. Existing systems matter. For React + Node, I’ll clear current bugs first, then add new features in small safe PRs. I usually add loading state cleanup, API retry handling, form validation fixes, image compression, route-level code splitting, and query pagination where lists are slow. For .NET tool, I’ll keep current logic intact and add new modules around it. Usually service-layer changes, UI fixes, API sync jobs, role checks, and regression testing before deploy. For PHP site, I’ll trace actual errors first, not guess. Then fix warnings/fatals, update outdated functions, clean repeated code, improve session handling, add backup before edits, and optimize slow DB calls. PostgreSQL side, I’ll use proper migrations, indexes on slow filters, query review with EXPLAIN, and cleanup of unused columns if needed. Figma screens can be made from rough wireframes with reusable components so future pages match. GitHub workflow is fine for me. I keep PRs short, readable, commented where needed. No problem.
₹25,000 INR in 7 days
9.4
9.4

Hi, As per my understanding: you need ongoing full-stack support across React/Node, and PHP with feature delivery, bug fixes, and performance tuning, plus API and DB optimization. • Implement features, fix bugs, and profile performance across stack • Enhance .NET modules and refactor PHP for stability • Optimize PostgreSQL, document APIs, and align Figma designs Any priority order for modules? Current performance bottlenecks? Staging/CI setup ready? I will share my portfolio on your first message. I will be looking forward to hearing from you. Kindest Regards
₹75,000 INR in 30 days
7.0
7.0

As a seasoned Full Stack Developer, I've dealt extensively with React and Node.js. I’ve built new features, squashed bugs, and profiled performance for applications just like yours, ensuring they remain user-friendly and fast-paced. My GitHub proficiency and CI/CD expertise through GitHub Actions resonate deeply with your requirements of concise code, thorough documentation, and smooth deployment. But that’s not all; in addition to my full-stack experience in React and Node.js, PHP is another realm in which I’ve excelled over the years. Your customer-facing site is no exception to my skills. I specialize not just in troubleshooting but also in refactoring - restructuring where needed without compromising stability or maintainability.
₹25,000 INR in 7 days
5.6
5.6

As a seasoned full-stack developer like myself, my core mission is to ensure your software is not only working optimally, but also enhaced to meet the growing needs of your business. With over 14 years in the industry, I possess an extensive expertise that spans across all the technologies you requre; I am not only familiar but proficient in React, Node.js, .NET and PHP, which essentially makes me your one-stop solution provider. I'm confident that I'm your perfect fit because in addition to my technical proficiency, I bring an arsenal of skills like my meticulous understanding of data management backed by a certified expertise in Database Security and System Designing. With regards to database management, PostgreSQL is my forté; I assure squeaky clean schema design and ultra-efficient queries once I take the reins from you. Moreover, as a testament to the value I place on robust software development practices, let me assure you that GitHub has always been my bread and butter. I'm experienced in running CI/CD pipelines through GitHub Actions and delivering clean pull requests with comprehensive comments. We can work seamlessly through this collaboration platform. If you're looking for someone who's solidly experienced, malleable between technologies and would yield unimaginably productive results with clarity in communication, look no further than me!
₹25,000 INR in 3 days
5.5
5.5

Hi, Thanks for the detailed brief—this is exactly the kind of full-stack, multi-system ownership I enjoy working on. I’m comfortable moving across React/Node, .NET, PHP, and PostgreSQL, and focusing on what matters most: shipping features, fixing issues, and improving performance without breaking existing systems. How I’d approach this: React & Node: implement new features, fix bugs, and profile bottlenecks to improve UI/API performance .NET: extend the existing tool with new modules and integrations while keeping it stable PHP: debug recurring issues, refactor outdated parts, and make the codebase maintainable Design & API: convert wireframes into clean Figma screens and maintain well-structured, documented APIs PostgreSQL: optimize queries and handle schema updates for better performance I’m used to working with GitHub workflows, clean PRs, and CI/CD pipelines, and I keep communication clear and consistent throughout. The goal is simple: a faster, stable, and scalable system across all layers. Quick question: which area is currently the biggest bottleneck—frontend performance, backend/API load, or the PHP system? I can prioritize accordingly from day one. Best regards, Abhishek
₹25,000 INR in 7 days
5.3
5.3

Hello, I’ve gone through your job description and understand that you’re looking for a full-stack developer who can handle React, Node.js, .NET, PHP, along with API development, UI updates, and PostgreSQL optimization. With 5+ years of experience in full-stack development and system maintenance, I’ve worked on similar projects involving performance tuning, bug fixing, and feature enhancements. What I can help you with: • Develop and optimize React & Node.js features with bug fixing and performance improvements • Enhance .NET applications with new modules and UI updates • Debug and refactor PHP codebase for stability and maintainability Warm regards, Monica Bhatia
₹19,000 INR in 2 days
5.1
5.1

I understand you need a full stack partner who can handle React and Node performance issues, enhance your .NET system, and stabilize your PHP site while maintaining clean architecture and smooth deployments. The focus is fixing bugs, improving speed, and adding features without breaking existing systems. I will work across all layers, optimize APIs and queries in PostgreSQL, refactor outdated code, and deliver clean Figma designs for new screens. I have experience handling multi stack systems and can ensure stable, scalable improvements with clear commits and documentation.
₹32,000 INR in 25 days
4.5
4.5

As a seasoned Full-Stack Developer with over 7 years of proven experience, I'm equipped to meet your project's demands across React, Node.js, .NET and PHP platforms. I have an impressive history of building production-grade web applications and SaaS platforms tailored to each client's needs. That means I can add significant value to your project by ensuring a smooth roll-out of new features, fixing any bugs that may arise and optimizing performance to enhance user experience across all layers. In addition to my core skills in full-stack development which include AngularJS, JavaScript, Node.js etc, I also have substantial experience in API design and database optimization. This makes me well-suited to construct the well-documented RESTful APIs your new features will require and carry out PostgreSQL schema design and efficient queries to ensure your data is neatly organized behind the scenes. However, my value exceeds technical know-how. Placing utmost importance on transparent communication and realistic timelines, I ensure you are always in the loop and projects are established dans completed on time. My reputation for delivering clean and testable code will also guarantee a product that is maintainable even beyond our collaboration. In conclusion, choosing me guarantees not just the skills but also holistic project management expertise that will yield the best results for your project. Let's connect!
₹25,000 INR in 7 days
4.4
4.4

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.
₹25,000 INR in 7 days
4.4
4.4

As an experienced full-stack developer, I'm skilled in every technology you need for this project. With a deep proficiency in React, Node.js, .NET, and PHP, I can proficiently handle each layer of your stack. No matter if it's rolling out features, debugging the codebase, or boosting the performance – I excel at each of them. Partnering with me, you'll have the advantage of a problem-solver who delivers reliable results not mere promises. From optimizing your APIs and nailing the design elements to managing your PostgreSQL migrations and running efficient queries – I can do it all. Let's turn your tech headaches into high-performing solutions. Your success is my mission! Count on sarita and Dlite Info Tech Pvt Ltd for streamlined, innovative solutions that empower your business and outshine competitors!
₹21,999 INR in 7 days
4.6
4.6

Hello I hope you are doing well. Your full-stack project immediately caught my attention because it requires exactly the kind of cross-platform development and maintenance work I specialize in. Project Understanding: I understand you’re looking for a single developer who can handle React, Node.js, .NET, and PHP systems together—covering feature development, bug fixing, performance optimization, API design, and database efficiency, while keeping everything stable and production-ready. Solution: I can work across your entire stack and help you improve performance, fix issues, and add new features without breaking existing functionality. What I will handle: React + Node.js feature development, bug fixes, and performance tuning .NET module enhancements and seamless API integration PHP code cleanup, debugging, and stability improvements Figma UI designs for new screens from wireframes REST API development with proper documentation (Swagger/OpenAPI) PostgreSQL schema improvements and query optimization Clean GitHub workflow with structured, well-documented PRs Approach: I focus on clean architecture, maintainable code, and performance-first optimization while ensuring smooth collaboration through GitHub and CI/CD pipelines. I can also share relevant full-stack project experience on request. Looking forward to working with you.
₹25,000 INR in 2 days
4.2
4.2

Having worked extensively in the software development field, one of my standout skills is adaptability. I am not only proficient in React, Node.js, .NET, PHP, and PostgreSQL but also have a founder's understanding of how these different technologies can seamlessly fit together for optimal performance. My expertise in AngularJS enhances my reactiveness and nimbleness when dealing with code and stack-related issues. Github and CI/CD processes are part of my daily work routine and I prioritize concise, well-commented pull requests for seamless collaboration. Throughout my career, I have developed a knack for identifying errors and inefficiencies within existing systems and rectifying them with clean, maintainable solutions. Moreover, my strong sense of design means we will not just fix bugs and improve performance but also create visually appealing screens using your high-level wireframes through Figma. As a technology expert constantly tracking the latest advancements, I am a strategic planner even for short-term tasks; they won't end at just fixes or enhancements. Instead, it'll be an opportunity to analyze your tech requirements at a comprehensive level to suggest what's best for the future of your company. Let's power up your full-stack capabilities while staying ahead of the curve with me as your tech partner.
₹25,000 INR in 7 days
4.1
4.1

Hi there! I'm thrilled to dive into your Full-Stack Enhancements & Fixes Project. For React & Node.js, I'll swiftly tackle new features, bug backlogs, and performance hiccups to ensure a seamless user experience. With .NET, I'll seamlessly integrate new modules and enhance UI without disrupting existing functionalities. Additionally, I'll revamp your PHP site, eliminating errors and modernizing the codebase for enhanced stability. My expertise in design, API, and PostgreSQL will ensure smooth translations of wireframes into Figma comps, well-documented REST APIs, and efficient PostgreSQL schema design. Having successfully completed similar projects, I am confident in my ability to deliver exceptional results. Let's discuss how I can add value to your project further. Looking forward to collaborating with you!
₹12,500 INR in 7 days
3.7
3.7

Hi there, I read your job and I’m fully confident I can handle your full stack seamlessly—delivering stable, high-performance systems across React, Node.js, .NET, and PHP without disrupting existing workflows. I’ve worked on similar multi-stack environments where performance tuning, clean architecture, and smooth deployments were critical. My approach is simple: fix what’s broken, optimize what’s slow, and build new features that scale. Here’s how I can help: -Ship React & Node features, fix bugs, and improve performance -Enhance .NET modules with safe integration and testing -Clean and stabilize your PHP codebase -Design clean Figma screens from wireframes -Build and document REST APIs (Swagger-ready) -Optimize PostgreSQL queries and migrations Clean PRs, clear updates, no noise. Best regards, Shameel
₹25,000 INR in 4 days
3.9
3.9

✅ I’ll act as your **full-stack partner**, handling React + Node (features, bug fixes, performance tuning), .NET enhancements, and PHP stabilization with clean, maintainable code. ✅ I’ll also deliver **Figma UI for new screens, optimized PostgreSQL queries, and well-documented REST APIs (Swagger)** aligned with your workflow. ✅ Clean GitHub PRs, CI/CD-ready work. Available to start immediately.
₹12,500 INR in 7 days
3.7
3.7

Dear Hiring Manager, I am writing to express my interest in your full-stack maintenance and enhancement role. I understand you are looking for a single experienced engineer who can confidently work across React, Node.js, .NET, PHP, API design, PostgreSQL, and UI/UX—ensuring performance, stability, and continuous feature delivery across your entire ecosystem. Approach: • Audit current React + Node.js application to identify performance bottlenecks, fix production bugs, and deliver new features with optimized UI responsiveness and lean API calls • Enhance .NET internal tool by adding new modules, improving UI consistency, and integrating latest APIs while ensuring zero regression in existing workflows • Refactor PHP customer-facing system by resolving errors, modernizing outdated patterns, and improving long-term maintainability and stability • Translate wireframes into clean, production-ready Figma designs with reusable components and consistent UX patterns Clarification Points: • Which area currently has the highest priority: performance, bugs, or new features? • Are there existing Figma/design systems already in place or should I define a base UI system? • Do you have staging environments for each stack (React/Node, .NET, PHP)? • Is there a monitoring/observability tool currently in use (Datadog, New Relic, etc.)? I would be glad to act as a long-term technical partner across your entire platform. Best Regards JP
₹25,000 INR in 7 days
3.7
3.7

Hi, Love this—owning the full stack and keeping everything fast + stable across React, Node, .NET, and PHP is exactly the kind of work I handle. I’ve worked on mixed-stack systems where I shipped features, fixed bugs, and improved performance without breaking existing flows—while keeping APIs clean and DB queries optimized. My approach: audit each layer → prioritize bugs + slow points → optimize React (rendering, state, lazy loading) + Node APIs (profiling, caching) → extend .NET modules safely → refactor PHP (clean patterns, error fixes) → design new screens in Figma → maintain REST APIs with Swagger → optimize PostgreSQL (indexes, queries, migrations). All via clean GitHub PRs + CI/CD. I focus on stability + speed, not just feature delivery. I can plug in quickly and keep things moving across the stack. Which area is currently the biggest bottleneck—frontend performance, API latency, or legacy PHP issues?
₹12,500 INR in 7 days
3.7
3.7

Drawing from my extensive experience in full-stack development, I am confident that I am the perfect fit for your project. My skills in .NET, AngularJS, and Node.js run parallel to your requirements ensuring comprehensive excellence in tackling the different layers of your tech stack. Over 8 years in the IT industry have exposed me to diverse projects including similar challenges of enhancing existing systems while maintaining functionality. Your internal tool won't just receive new modules and UI tweaks, but a deep level of integration with latest APIs without breaking existing ones as I thoroughly understand the ripple effect of a change on many modules. This same level of commitment will be dedicated to refactoring your PHP codebase and stabilizing the customer-facing website. My expertise isn't solely confined to backend development though, I'm adept at creating elegant front-end designs with Figma as depicted by my previous experience creating Aesthetic apps. Generating well-documented REST APIs is second nature as with efficient handling of PostgreSQL schema and optimized query logic. As you prefer, I have a knack for concise yet well-commented pull request deliverables ensuring a !
₹25,000 INR in 7 days
2.8
2.8

I’ll act as your full-stack partner across React/Node, .NET, and PHP—shipping new features, fixing bugs, and tuning performance so the UI feels fast and APIs stay efficient. You’ll get clean PRs with optimized PostgreSQL queries, updated APIs (Swagger docs), polished Figma designs, and stable deployments across all layers with CI/CD continuity.
₹25,000 INR in 7 days
2.5
2.5

Hi! I’ve handled a case where a WordPress site broke after an update and the layout collapsed. I traced it to a plugin conflict, fixed it, and stabilized updates to prevent it happening again. For your project, I’ll quickly find the root issue and leave things stable and easy to maintain. Thanks!
₹25,000 INR in 7 days
2.2
2.2

Delhi, India
Member since Dec 1, 2019
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