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I will build scalable full stack web applications using react nextjs nestjs
Safwan Alamgir
About this gig
I will build scalable and modern full stack web applications using React, Next.js, Node.js, NestJS, and FastAPI.
I specialize in developing custom web applications, SaaS platforms, CRM, ERP systems, dashboards, AI-powered applications, and startup MVPs with clean, secure, and maintainable code.
My services include:
- React.js & Next.js frontend development
- NestJS, Node.js & FastAPI backend development
- REST API development and third-party integrations
- PostgreSQL, MySQL, MongoDB, Redis database solutions
- Authentication, role-based access control, and admin dashboards
- AI integration with OpenAI, LangChain, and LLM solutions
- Docker, AWS, Vercel, and production deployment
I focus on performance, scalability, responsive design, and delivering production-ready solutions that match your business goals.
Please contact me before ordering so I can review your requirements and suggest the best solution for your project.
Respect third-party rights
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Get to know Safwan Alamgir
Safwan Alamgir
Senior Full Stack Developer React Nextjs Nodejs Python
- FromBangladesh
- Member sinceMar 2026
- Avg. response time2 hours
Languages
English
Hi, I’m a Software Engineer with 9+ years of experience building modern, scalable web applications for startups and businesses. I specialize in React, Next.js, Node.js, Python, and PHP (Laravel, CodeIgniter). I develop fast, responsive interfaces using Tailwind CSS and Bootstrap and build secure REST and GraphQL APIs. I also work with headless CMS platforms like Strapi, Payload CMS, and Sanity. My focus is clean code, performance, and reliable delivery. Whether you need a new feature, bug fix, optimization, or full web application development, I’m ready to help bring your project to life.
FAQ
What information do you need before starting my project?
I need your project requirements, design files (if available), preferred technologies, required features, API details, and deployment requirements. Please contact me before ordering so I can suggest the best solution.
Can you build a complete full stack web application from scratch?
Yes. I can build complete full stack applications using React, Next.js, Node.js, NestJS, FastAPI, databases, authentication, APIs, and deployment solutions.
Do you provide backend development and API development?
Yes. I develop scalable backend systems with NestJS, Node.js, and FastAPI, including REST APIs, database integration, authentication, authorization, and third-party integrations.
Can you integrate AI features into my application?
Yes. I can integrate AI solutions using OpenAI, Claude, Gemini, LangChain, RAG systems, AI chatbots, AI agents, and automation workflows.
Do you provide deployment support?
Yes. I can deploy applications using Vercel, Docker, AWS, VPS servers, and configure production environments with CI/CD pipelines.
Can you work with existing projects and fix issues?
Yes. I can review, optimize, debug, and add new features to existing React, Next.js, Node.js, NestJS, and FastAPI projects.
Will I get the source code after completion?
Yes. You will receive the complete source code and project files according to the agreed package.
