I will be your dedicated react and next js developer for saas


Level 1
About this gig
Need an experienced developer who can join your existing codebase, understand the product, and start shipping, not just build another template website?
I help startups and SaaS teams deliver features, fix production issues, improve architecture, and reduce engineering backlog using React, Next.js, TypeScript, Node.js, and PostgreSQL.
You can begin with one clearly defined paid trial task before committing to a larger sprint or ongoing collaboration.
What I can help with:
- React and Next.js feature development
- TypeScript frontend and backend work
- Node.js, NestJS, Express, and REST APIs
- PostgreSQL, Prisma, Drizzle, and Redis
- Authentication, roles, and dashboards
- Bug fixing, testing, performance, and refactoring
- Docker, CI/CD, Vercel, AWS, Azure, and Cloudflare
- AI and LLM integrations for existing products
Why work with me?
- 4+ years of professional software development experience
- Experience working remotely with German and French product teams
- Built applications supporting 3,000+ daily users
- Reduced infrastructure costs by 63% through a production migration
- Added more than 500 automated unit and end-to-end tests
- Clear communication and reliable overlap with European working hours
Get to know Farhad F
Full Stack Web Application Developer, JavaScript and TypeScript
Level 1
- FromUnited States
- Member sinceOct 2019
- Avg. response time2 hours
- Last delivery2 days
Languages
English, Turkish, German

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FAQ
Can we start with a paid technical trial?
Yes. The Basic package is specifically designed as a low-risk paid trial. Give me one representative ticket, and you can evaluate my code quality, communication, speed, and ability to work inside your existing codebase.
Are you available for ongoing work?
Yes. I am available for ongoing collaboration from 10 to 40 hours per week. After the initial task, I can provide a custom hourly or recurring Fiverr offer based on your backlog and required availability.
Can you work in an existing codebase?
Yes. Most of my professional experience involves joining existing production applications, understanding their architecture, fixing issues, and delivering features without disrupting current users.
What technologies do you work with?
My main stack is TypeScript, React, Next.js, Node.js, NestJS, PostgreSQL, Redis, Prisma, Drizzle, Tailwind CSS, Docker, and cloud platforms including AWS, Azure, Cloudflare, and Vercel.
Can you attend team meetings?
Yes. I can participate in planning, technical discussions, code reviews, and progress meetings, with reliable overlap during European working hours.
Will you sign an NDA?
Yes. I am comfortable working under an NDA and following your company’s security, repository access, and confidentiality requirements.
