Senior full-stack engineer with 18 years of experience. I build production systems, not prototypes. Currently building Strolio (strolio.eu), an EU invoicing and payments SaaS for B2B businesses. I also take contract work through Nuvraxis (nuvraxis.com).
- Frontend: React, Next.js, TypeScript, JavaScript
- Backend: NestJS, Node.js, Hono, FastAPI, FastMCP, .NET Core (C#), Java Spring Boot
- DevOps and cloud: Docker, Kubernetes, AWS, Azure, GitHub Actions
- Databases: MongoDB, PostgreSQL, Redis
- AI: Azure OpenAI, Azure Document Intelligence, Claude, RAG pipelines
- Production-ready MVPs for early-stage startups
- AI integrations and automation pipelines
- Cloud infrastructure and Kubernetes deployments
- Codebase audits and performance fixes
Building Strolio, flat-fee invoicing for EU businesses. Peppol e-invoicing, EU VAT compliance, AI invoice drafting, zero commission on payments. Stack: Next.js 16, Hono, Drizzle ORM, PostgreSQL, Azure.
Open to contract work via Nuvraxis.
- Email: sajan@nuvraxis.com
- Book a call: 30 min strategy call)
- X: @sajanvtech