Hi, I'm Oskars. A full stack engineer and UI/UX designer from Riga. I've shipped biotech products and health tech apps used by millions. Now I design and build AI-powered products, custom agents and automated workflows that connect to real business processes.

Available for freelance work

Oskars Rozitis

I design interfaces and build the systems behind them. One person from first sketch to production deploy, so nothing gets lost in the handoff.

Engineering

Design and engineering are one organism to me. Neither works without the other, so I build them as one.

Design

Stack

Frontend: React, Next.js, TypeScript, React Three Fiber, Three.js, Zustand, Redux Toolkit, TanStack Query, Vite, Turborepo
Backend & Data: Node.js, NestJS, Next.js, PostgreSQL, MongoDB, Prisma, Redis, REST APIs, OpenAPI, Webhooks
Architecture & Engineering: Type-safe systems, Zod, system design, modular architecture, caching, queues, performance optimization
AI & Agentic Systems: LLM integrations, AI agents, agentic workflows, RAG, embeddings, tool calling, MCP
Infrastructure & Delivery: AWS, Docker, Terraform, Vercel, GitHub Actions, CI/CD, observability and monitoring
Quality & Security: Vitest/Jest, Playwright, ESLint, OAuth/OIDC, RBAC, API security, rate limiting, static analysis
Product Design: Figma, design systems, UX analysis, prototyping, interaction design, accessibility, Photoshop, Illustrator

Experience

Let's work together

Email me