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I will fix nextjs hydration errors, app router bugs, and nextauth authentication
PowerEngine
About this gig
Are you stuck with Next.js hydration errors, App Router bugs, or authentication issues?
I specialize in debugging modern Next.js applications and fixing complex SSR, Server Components, and authentication problems with clean, production-ready solutions.
I can help with:
- Hydration mismatch errors (server/client HTML mismatch)
- Next.js App Router bugs
- Server Components & Server Actions
- NextAuth v5 / Auth.js issues
- Clerk authentication & middleware redirect loops
- Session, JWT, and protected route problems
- revalidatePath, revalidateTag & caching issues
- API routes, data fetching & runtime errors
- Build, deployment & performance issues
Why choose me?
- Root-cause fixes instead of temporary workarounds
- Clean, maintainable, production-ready code
- Fast communication & quick turnaround
- Clear explanations of the issue and solution
Whether you're facing "Hydration failed because the initial UI does not match", authentication loops, or App Router issues, I'll identify the root cause and deliver a reliable fix that keeps your application stable and scalable.
Get to know PowerEngine
PowerEngine
Full Stack Engineer Generative AI AI Integration Specialist
- FromIndia
- Member sinceJan 2024
- Avg. response time21 hours
Languages
Hindi, English
Full Stack Engineer with 5+ years of experience designing and scaling high-performance web applications for UK,
US, and AUS-based clients. Proficient in React.js, Next.js, TypeScript, Node.js, Express.js, Python, and FastAPI
with hands-on Generative AI integration using Gemini API, OpenAI API, RAG pipelines, LangChain, and Vector
Databases. Delivered 10+ production projects — reduced API response times by 40%, improved AI search
accuracy by 70%, and maintained 99.9% uptime on AWS — with strong focus on authentication, performance
optimization, and Agile team collaboration.
Other Software Development Services I Offer
FAQ
Q: Can you fix urgent production issues?
Yes. If your application is blocking development or affecting production, contact me before placing the order, and I'll let you know my availability for a fast turnaround.
Q: Can you debug APIs?
Yes. I can debug REST APIs, API routes, server actions, request/response errors, authentication issues, CORS problems, database connectivity, validation errors, and third-party API integrations. I'll identify the root cause and provide a clean, reliable solution.
Q: Can you fix deployment problems?
Yes. I can troubleshoot deployment issues on platforms like Vercel, Digital Ocean, AWS, and other hosting providers. This includes build failures, environment variable configuration, runtime errors, SSR/App Router deployment issues, authentication problems, and production-only bugs.
Q: What types of Next.js issues can you fix?
I fix hydration errors, App Router bugs, Server Components, Server Actions, NextAuth/Auth.js, Clerk authentication, middleware redirect loops, caching issues, API errors, build failures, and deployment problems.
Q: What do you need before starting?
Please provide your project requirements, error message, GitHub repository (or source code), deployment URL (if available), and steps to reproduce the issue. The more details you share, the faster I can identify the root cause.
Q: Do you support both JavaScript and TypeScript projects?
Yes. I work with both JavaScript and TypeScript applications built with Next.js and React.
Q: Will you explain what caused the bug?
Yes. I don't just fix the issue—I also explain the root cause and the changes made so you can avoid similar problems in the future.
Q: Do you work with authentication providers like NextAuth and Clerk?
Absolutely. I can troubleshoot and implement NextAuth (Auth.js), Clerk, JWT authentication, session management, middleware, protected routes, and redirect loop issues.
