Nicolas Zelaya Orellana

Nicolas Zelaya Orellana

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Full Stack AI Engineer
Sucre, Chuquisaca Department, Bolivia
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Starting at USD2k/month
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Résumé

Jobs verified_user 0% verified
  • Grayola
    Full Stack AI Engineer public Remote experience
    Grayola
    Apr 2026 - Oct 2026 (7 months)
    • Technical lead for a design services marketplace with paying customers, owning architecture, backend, frontend,
    infrastructure, and the AI roadmap end to end.
    • Designed and built an LLM auto pricing engine (Vercel AI SDK, Gemini/Anthropic, structured outputs, versioned prompts) that
    turns plain language briefs into priced catalog services with confidence scores while pricing math stays deterministic in code.
    • Added per run telemetry (model, prompt version, latency, tokens) and a feedback loop from staff overrides to calibrate
    prompts.
    • Rebuilt core infrastructure on Vercel and Supabase, with PostgreSQL file storage with RLS and buckets and a hardened
    production VPS (Docker Compose, Caddy, fail2ban).
  • Favorcito
    Lead Backend Engineer public Remote experience
    Favorcito
    May 2025 - Feb 2026 (10 months)
    • Led backend architecture on GCP (Cloud Run, Cloud SQL, Cloud Functions) for 10K concurrent users, cutting cloud spend
    15%.
    • Reduced average API response time 65% (850 ms to 300 ms) by refactoring controllers, services, and core business logic.
    • Built Vertex AI agents for support triage and document based client routing, cutting manual processing 20%.
    • Introduced GitHub Actions CI/CD pipelines that cut deployment time 35%, and set Clean Architecture and code review
    standards that halved new developer onboarding to one week.
  • Synapse
    Full Stack Developer
    Synapse
    Mar 2024 - Jan 2025 (11 months)
    • Decomposed a monolith into 7 Node.js and Go microservices, cutting build times 30% and unblocking parallel team delivery.
    • Automated full stack deployments with Docker and Jenkins, cutting the release cycle from 2 days to 3 hours.
    • Delivered 30 end to end features across React/TypeScript and FastAPI services handling 7,500 concurrent connections.
  • L
    Full Stack Developer
    Logical System Consulting
    Mar 2023 - Feb 2024 (1 year)
    • Built and deployed 15 enterprise features integrating React frontends with Go services on AWS EC2.
    • Implemented OAuth2/OIDC auth with role based route protection and tuned PostgreSQL queries behind real time
    dashboards.
Education verified_user 0% verified
  • S
    Bachelor's in computer science engineering
    San Francisco Xavier University
    Feb 2021 - Feb 2026 (5 years 1 month)