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Full Stack AI Engineer experienced in building web apps and AI workflows. Through co-founding a startup, I learned how to balance efficiency with quality, prioritize reliability, and make pragmatic technical decisions. I am now looking for an engineering role where I can apply my experience to develop complex systems and solve hard technical problems.…

Kristjan Križman

Full Stack Developer, AI Engineer, Data Scientist, +2

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Full Stack AI Engineer experienced in building web apps and AI workflows. Through co-founding a startup, I learned how to balance efficiency with quality, prioritize reliability, and make pragmatic technical decisions. I am now looking for an engineering role where I can apply my experience to develop complex systems and solve hard technical problems.…

Available to hire

Full Stack AI Engineer experienced in building web apps and AI workflows. Through co-founding a startup, I learned how to balance efficiency with quality, prioritize reliability, and make pragmatic technical decisions.

I am now looking for an engineering role where I can apply my experience to develop complex systems and solve hard technical problems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Co-Founder & Full Stack AI Engineer at UnpickedAI

February 1, 2025 - December 1, 2025

Built a logistics Voice AI platform enabling natural, real-time conversations via Next.js, OpenAI Realtime, and Twilio. Reduced call latency to ~700ms with Cloudflare edge routing and optimized streaming. Engineered a resilient data pipeline unifying ERP and courier APIs to power automated call scheduling. Implemented Grafana dashboards to trace API and telephony performance, accelerating debugging. Iterated AI prompts and conversation logic from 500+ discovery calls, translating edge cases into a reliable AI agent.

Full Stack Data Engineer at DataOrbis

June 1, 2023 - June 1, 2025

Built a secure AI chat platform giving teams LLM access while enforcing privacy compliance, increasing internal AI tool adoption. Delivered a full-stack document comparison tool (React / FastAPI) that caught layout errors and breaking changes between releases. Automated the cleaning and structuring of raw JSON API data on Azure Synapse with PySpark, enabling faster analytics via Delta Lake and PostgreSQL.

Data Engineer (Intern & Full-time) at ADD

August 1, 2022 - June 1, 2023

Built the core Python simulation engine (multithreaded) used to emulate IoT data streams; packaged and deployed it via Docker on Azure Container Apps for scale. Took ownership of requirement clarification with the client and converted business needs into the final digital-twin simulation delivered to them.