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Projects

Projects and case studies

Projects for real clients and businesses, academic and personal. Each case study separates what is implemented from what is planned.

The covers show real screenshots of each application, with fictitious data.

Documented automated tests

  • 556

    backend tests passing

    TicoConta

    Stage 2 closing report (29 September 2026), not re-run

  • 167

    unit tests passing

    Fisio Nexus

    Project’s local state (8 October 2026)

  • 437

    backend tests passing

    Guardianes de Parques Nacionales

    8 October 2026; another 36 against the real Supabase are skipped without credentials

  1. 01 / 032026

    TicoConta

    Electronic invoicing for the family business, with modules specific to a timber business.

    Status
    In development for the family business
    Role
    Full Stack Developer · Software Architecture
    • Python
    • FastAPI
    • PostgreSQL
    • Alembic
    • Docker
    • OpenAI API
    • React
    • TypeScript
    • Vite
    • Tailwind CSS
    • pytest
    • Vitest
    • Playwright
    • Cloudflare Tunnel

    8 of 8 chapters documented

    • Context: documented
    • Problem: documented
    • Solution: documented
    • Architecture: documented
    • Technologies: documented
    • Technical decisions: documented
    • Verifiable results: documented
    • Screenshots and evidence: documented
    Read the case study: TicoConta

  2. 02 / 032026

    Fisio Nexus

    Management of patients and therapy sessions.

    Status
    Deployed web application
    Role
    Full Stack Developer · Software Architecture
    • React
    • TypeScript
    • JavaScript
    • Vite
    • PostgreSQL
    • PL/pgSQL
    • Supabase
    • Node.js
    • Vitest
    • Playwright
    • Cloudflare

    8 of 8 chapters documented

    • Context: documented
    • Problem: documented
    • Solution: documented
    • Architecture: documented
    • Technologies: documented
    • Technical decisions: documented
    • Verifiable results: documented
    • Screenshots and evidence: documented
    Read the case study: Fisio Nexus

  3. 03 / 032026

    Guardianes de Parques Nacionales

    Educational web game about the national parks of Guanacaste.

    Status
    Academic team project
    Role
    Full Stack Developer · three-person team
    • TypeScript
    • React
    • Next.js
    • Python
    • FastAPI
    • Pydantic
    • Supabase
    • pytest

    8 of 8 chapters documented

    • Context: documented
    • Problem: documented
    • Solution: documented
    • Architecture: documented
    • Technologies: documented
    • Technical decisions: documented
    • Verifiable results: documented
    • Screenshots and evidence: documented
    Read the case study: Guardianes de Parques Nacionales

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