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Full-stack engineer (React, Node, Supabase, Cloudflare) and Co-Founder/CTO of a B2B SaaS. I build secure, GDPR-minded web apps end to end, data layer with row-level security, Stripe and third party integrations, and responsive React frontends. Based in the EU (Croatia), so GDPR and EU data residency are native to how I work. I also work in a reliability first enterprise environment at Ericsson, so correctness and safe handling of sensitive data are second nature.…Full-stack engineer (React, Node, Supabase, Cloudflare) and Co-Founder/CTO of a B2B SaaS. I build secure, GDPR-minded web apps end to end, data layer with row-level security, Stripe and third party integrations, and responsive React frontends. Based in the EU (Croatia), so GDPR and EU data residency are native to how I work. I also work in a reliability first enterprise environment at Ericsson, so correctness and safe handling of sensitive data are second nature.

Francesco Marko Livaic

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

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Full-stack engineer (React, Node, Supabase, Cloudflare) and Co-Founder/CTO of a B2B SaaS. I build secure, GDPR-minded web apps end to end, data layer with row-level security, Stripe and third party integrations, and responsive React frontends. Based in the EU (Croatia), so GDPR and EU data residency are native to how I work. I also work in a reliability first enterprise environment at Ericsson, so correctness and safe handling of sensitive data are second nature.…Full-stack engineer (React, Node, Supabase, Cloudflare) and Co-Founder/CTO of a B2B SaaS. I build secure, GDPR-minded web apps end to end, data layer with row-level security, Stripe and third party integrations, and responsive React frontends. Based in the EU (Croatia), so GDPR and EU data residency are native to how I work. I also work in a reliability first enterprise environment at Ericsson, so correctness and safe handling of sensitive data are second nature.

Available to hire

Full-stack engineer (React, Node, Supabase, Cloudflare) and Co-Founder/CTO of a B2B SaaS. I build secure, GDPR-minded web apps end to end, data layer with row-level security, Stripe and third party integrations, and responsive React frontends. Based in the EU (Croatia), so GDPR and EU data residency are native to how I work. I also work in a reliability first enterprise environment at Ericsson, so correctness and safe handling of sensitive data are second nature.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Croatian

Fluent

English

Fluent

Work Experience

Co-Founder & CTO at Vectra XR

January 1, 2026 - Present

Co-founded a B2B SaaS and own the full stack, shipping features from a single Next.js 14 + TypeScript codebase with Node.js and Python services; reduced a core step from 20 seconds to under 3 seconds with a containerized microservice. Designed a multi-tenant PostgreSQL data layer (Supabase + Prisma) with Row-Level Security, and built a REST service layer gated by a Gitflow CI/CD pipeline with Vitest and Playwright.

Software Developer at Ericsson Nikola Tesla

January 1, 2025 - Present

Engineer scalable Java solutions for the MJE test framework (~4M lines) validating Ericsson’s global 4G/5G RAN infrastructure across a large, multi‑team R&D organization. Focus on concurrency control, memory management and latency reduction for high‑throughput data streams in a distributed environment. Built automated log-analysis scripts for anomaly detection to improve system stability, working through Jenkins and Gerrit in a complex CI/CD pipeline with code reviews across connected repositories.