rafaelrojasvi.github.io  git:( main )  ✗

CV-style timeline

Experience & education

Backend-heavy roles first: what I shipped, with what stack, and where I owned delivery. Customer-facing jobs are listed briefly—they matter for communication under pressure, not for keyword stuffing.

Work experience

  • Software Engineer — Data & Automation

    OrigenLab

    January 2026 — Present

    Chile / Remote

    • Built a production full-stack operations platform for a Chilean laboratory equipment supplier: an Astro/Tailwind public site, a Python email intelligence pipeline, SQLite operational marts, a read-only FastAPI operator API on :8001, optional Postgres mirror reporting, and a React dashboard for reviewing warm cases, opportunities, contacts, suppliers, tenders, logistics, and prospect research.
    • Developed Gmail/PST ingestion and SQLite business marts to turn historical email data into reviewable commercial signals.
    • Built a GET-only FastAPI operator API on :8001, keeping ingest, sending, and mutations inside controlled pipeline scripts.
    • Built a React/Vite operator dashboard for Today, inbox triage, equipment opportunities, contacts, and Prospectos lead intelligence.
    • Implemented outbound safety gates: sent-history checks, suppression lists, duplicate prevention, and human-reviewed drafting; no autonomous sending.
    • Maintained privacy boundaries: sanitized previews, no raw email bodies in public surfaces, and sensitive data outside Git.
  • Freelance Software Engineer

    Self-employed contract

    November 2025 — Present

    London / Remote

    • Built a WhatsApp tattoo booking assistant using FastAPI, Meta Cloud API, Stripe Checkout/webhooks, Google Sheets logging, and Google Calendar slot suggestions.
    • Developed backend automation workflows, validation logic, service integrations, and production-oriented safety checks.
    • Built and deployed business web solutions including infrastructure setup, domain/DNS configuration, SSL, email configuration, and technical documentation.
  • English Tutor — IELTS Preparation Support

    Freelance / Informal

    May 2026 — Present

    Chile / Remote

    • Supported an English learner preparing for an international study-abroad English test, with focus on listening, spelling, pronunciation, and exam-style practice.
    • Created short structured exercises for IELTS-style dictation, names, postcodes, email spelling, and common listening traps.
    • Adapted explanations between English and Spanish to make grammar, vocabulary, and test instructions easier to understand.

Education

Degrees & results

Strongest marks aligned with backend: databases, software development, algorithms, distributed-style architectures.

  • Computer Science BSc, First Class Honours

    University of Westminster, London

    September 2022 — July 2025

    Focus

    Backend systems Databases Algorithms Applied AI
    • Database Systems 91
    • Software Development 87
    • Algorithms 80
    • Client–Server Architectures 74
  • International Foundation Year in Computing

    University of Brighton International College

    September 2021 — August 2022

    Pass with Distinction. Student Representative — supported international students.

Earlier roles

Retail & hospitality (London)

Short, people-heavy work: reliability, pacing, and clear communication—relevant when production incidents hit or stakeholders need a calm explanation.

  • Barista

    Harrison’s Coffee, London

    January 2026 — February 2026

    London, UK

  • Sales Assistant

    Sublime Vintage, London

    September 2024 — January 2025

    London, UK

  • Farmers Market Seller

    13 Acre, London

    June 2024 — September 2024

    London, UK

Stack snapshot

Grouped for quick scanning—details live in projects and employment bullets.

Languages

Python Elixir Scala Java

Backend

FastAPI Django Phoenix REST APIs

Databases

PostgreSQL SQLite SQL

Tools & integrations

Git Docker Stripe Oban Google Workspace APIs WhatsApp API Webhooks

Concepts

API integrations Authentication flows Backend validation Relational databases Automation NLP Model evaluation Testing Migrations Idempotency Operational reliability