Browse categories
Explore
Fiverr Pro
English
$
USD
I will build scalable nodejs API and react fullstack applications
Wiktor L
About this gig
Looking for a professional Full-Stack Developer who delivers scalable, production-ready applications? You're in the right place!
I specialize in building modern web applications using the latest technologies. I've successfully delivered projects for large corporations in agriculture and pharmaceutical industries.
What I offer:
Full-Stack Development (NestJS + React + TypeScript)
AWS Cloud Architecture & Serverless Solutions
REST APIs with comprehensive documentation
Database design & optimization (SQL/NoSQL)
AI integrations and modern workflows
Clean, maintainable, and well-tested code
My tech stack:
Backend: NestJS, Node.js, TypeScript, Python
Frontend: React, Material-UI, Tailwind CSS
Cloud: AWS Lambda, API Gateway, EventBridge, S3
Databases: PostgreSQL, MongoDB, DocumentDB
AI: LLM integrations, RAG systems, prompt engineering
Why choose me:
Technical leadership experience as Team Lead & Mentor
AWS Certified Solutions Architect & Developer
Recently completed advanced AI training (AI_devs 3)
Focus on scalable, cloud-native solutions
Clear communication throughout the project
Ready to bring your idea to life? Let's discuss!
Get to know Wiktor L
Wiktor L
Full Stack Developer and Cloud Architect and GenAI Enjoyer
- FromPoland
- Member sinceJun 2025
- Avg. response time1 hour
Languages
English, Polish
Full-Stack Developer and Cloud Architect with few years of experience in designing and delivering scalable cloud-native solutions on AWS. I specialize in building applications in the NestJS Nodejs TypeScript React stack and serverless using Lambda, EventBridge, API Gateway.
I am currently deepening my knowledge in the field of Generative AI. I offer comprehensive services from architecture planning, through implementation, to testing and deployment.
I gained experience working for large corporations from the agricultural and pharmaceutical industries, leading projects from plan to prod!
FAQ
Do you provide post-deployment support?
Yes! I offer 30 days of free bug fixes and technical support after project delivery. Extended maintenance packages are also available.
Can you integrate AI features into my application?
Absolutely! I specialize in LLM integrations, RAG systems, and AI workflows. I can add chatbots, content generation, or data analysis features to your app.
Do you handle both frontend and backend development?
Yes, I'm a full-stack developer with strong backend focus. I can build complete applications or work on specific parts based on your needs
What about hosting and deployment?
I provide AWS cloud deployment with serverless architecture for optimal scalability and cost-efficiency. I can also deploy to other platforms if needed.
