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Looking for an experienced full-stack developer to work on a web platform focused on security hardening, performance optimisation, and SEO improvements. The project involves backend (Node.js / Express / Prisma / PostgreSQL) and frontend ([login to view URL] 15 / React 19) work. A detailed technical audit has already been completed — you will receive a prioritised list of issues with file references, root cause analysis, and recommended fixes. No discovery work needed. What the work covers: • Security: fixing authentication gaps, hardening API routes, correcting middleware configuration • Performance: eliminating N+1 database queries, optimising indexes, improving caching • SEO: server-side rendering improvements, structured data, metadata • Code quality: removing dead code, resolving dependency conflicts, minor refactors Required skills: • Strong Node.js / Express backend experience • [login to view URL] App Router (not Pages Router) • Prisma ORM and PostgreSQL • Solid understanding of web security fundamentals (auth, CORS, JWT, rate limiting) • Ability to work from a written brief without hand-holding • Clean, testable code — no cowboy fixes Nice to have: • Experience with Stripe webhooks • Pusher / real-time features • Cloudinary uploads • VPS deployment (not Vercel) This is a fixed-scope engagement. Looking for someone detail-oriented who reads the brief before asking questions.
Project ID: 40501527
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93 freelancers are bidding on average ₹23,353 INR for this job

Hello, With 15+ years of experience in full-stack development, I can efficiently work through your technical audit and implement the required security, performance, SEO, and code-quality improvements. I have extensive experience with complex web applications and can share relevant project examples in a one-to-one chat. I am comfortable working with existing codebases, analyzing detailed technical documentation, and implementing clean, maintainable fixes without disrupting production functionality. My experience includes authentication systems, API security, database optimization, caching strategies, SEO enhancements, dependency management, and application performance tuning. I value clear communication, follow documented requirements closely, and focus on delivering well-tested, production-ready solutions rather than quick patches. I look forward to reviewing the audit report and discussing timelines and milestones. Regards, Abhijeet
₹12,500 INR in 7 days
4.6
4.6

Choosing a developer is a bit like choosing a partner: you want someone with experience, trustworthiness, and the ability to understand your project's needs. At OTUSONE, we possess all these qualities and more. With our extensive experience in full-stack development, particularly in Express JS and Node.js, we're confident in our ability to optimize your web platform for security, performance, and SEO as per your detailed audit. It's important to work efficiently and not waste your time. That's why we've mastered the skill of working from a written brief without hand-holding. We fully understand what it requires to fix authentication gaps, harden API routes, correct middleware configurations for security. Also, we're well-versed in eliminating N+1 database queries, optimizing indexes, improving caching for high website performance. Additionally, we have Sound knowledge of cleaning dead code, resolving dependency conflicts for code quality improvement.
₹25,000 INR in 30 days
3.4
3.4

Hello, I’ve gone through your project details carefully, and I must say it sounds really interesting. I’d love to bring my experience to make it a success. With over 10 years of hands-on experience in web, mobile, and software development, I’ve had the privilege of working with clients from around the world — delivering 1000+ successful projects so far. My team and I are comfortable working with technologies like MEAN, MERN, Flutter, React Native, PHP, Laravel, Python, WordPress, Shopify, AI, Blockchain, CRM, CMS, and more. What truly drives me is solving complex challenges and transforming ideas into reliable, user-friendly products. I always aim for clear communication, transparency, and results that make clients feel confident they chose the right partner. You can review my portfolio here: https://www.freelancer.in/u/NareshJoshiTech I’d really appreciate the chance to discuss your project in detail and explore how we can create something great together. Looking forward to hearing from you. Warm regards, Naresh Joshi
₹15,000 INR in 7 days
2.2
2.2

With a solid foundation in Full Stack Development, I am confident in my ability to streamline every aspect of your web platform. Understanding the importance of performance, SEO and security, I have regularly worked with these aspects throughout my projects and am adept at optimising them. Additionally, my proficiency in Prisma ORM and PostgreSQL will allow me to efficiently handle your database queries and indexing issues.
₹22,000 INR in 10 days
1.7
1.7

Full-stack development, I have the skills and knowledge to tackle all aspects of your project. As a proficient user of Node.js and Express, I have handled several projects involving security hardening, middleware configurations, and API route hardening which aligns seamlessly with the security needs of your platform. Moreover, I'm well-versed in handling Prisma ORM and PostgreSQL for efficient, optimized database management and organization. In addition to my technical proficiency, one of my standout strengths is my ability to work off a detailed brief, meaning I'll be able to dive headfirst into addressing the specific issues outlined in your audit report without any hand-holding from your end. This saves time (and stress!) during the entire project lifecycle. Lastly, while not explicitly specified as a requirement, my experience with Linux administration and Kubernetes migration will be valuable for any future scaling or deployment needs you may have. In sum, choosing me for this project guarantees you a clean codebase paired with solid infrastructure that's ready for production. Let's optimize your web platform together!
₹15,000 INR in 7 days
1.3
1.3

Hello, it sounds like your web platform needs a full-stack developer who can effectively tackle security hardening and performance optimization, and I have the right experience to help you with that. I am Mubashir, a Full-Stack Developer with 6+ years of experience in enhancing web platforms. I understand that you require someone to address specific issues outlined in your technical audit, particularly around security, performance, and SEO improvements. 1. First, I will review the prioritized list of issues from your technical audit to understand the key areas for optimization. 2. Then, I will implement fixes for security gaps by hardening API routes and improving authentication mechanisms using Node.js and Express. 3. After that, I will focus on performance optimization by eliminating N+1 database queries and optimizing indexes in your PostgreSQL database. 4. Next, I will enhance SEO by implementing server-side rendering improvements and structured data to ensure better visibility. 5. Finally, I will ensure code quality by removing dead code and resolving any dependency conflicts to maintain clean and testable code. Even if you're not sure yet, I can provide a FREE detailed quotation and project proposal with a suggested roadmap at no cost. This way, you can use my proposal as a solid reference document if you choose to work with someone else. >>> My Work: https://www.freelancer.com/u/mubashir021 <<< Drop me a message and let's get this sorted. Mubashir
₹24,320 INR in 10 days
0.0
0.0

Mumbai, India
Member since Aug 26, 2024
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