@juancruzalbelo SDET / AI QA Automation

ATS CV · English · Web edition

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Juan Cruz Muñoz Albelo

Senior SDET / QA Automation Engineer | Playwright, TypeScript, API Testing, CI/CD, K6

Mendoza, Argentina +54 9 261 373 3922 juancruzmunozalbelo@gmail.com LinkedIn: linkedin.com/in/juan-cruz-albelo- GitHub: github.com/juancruzmunozalbelo

Professional summary

Senior SDET / QA Automation Engineer with 9+ years of experience building test automation frameworks, API test suites, CI/CD quality gates, test strategy, and quality engineering practices. Worked at Mercado Libre and on large-scale platforms with 10k+ automated tests. Improved flaky tests from 27% to 3% and reduced feedback time from 45 minutes to 12 minutes. Strong with Playwright, TypeScript, APIs, and K6. Open to remote contractor roles with LATAM/US timezone overlap.

Core skills

AI QA Automation and LLM Evaluation: Claude, Claude Code, Cursor, Codex, Ollama, DeepSeek, MCP, Custom agents, Versioned prompts, AI-assisted analysis, Spec Driven Development, OpenSpec

Automation Testing: Playwright, Cypress, Selenium, WebDriverIO, Appium, K6, E2E, Regression, Smoke, Integration, Functional testing, Performance

Backend and Integration: REST APIs, API adapters, Request transformation, SQL, MongoDB, Redis, Java, PHP

CI/CD and DevOps: GitHub Actions, Jenkins, GitLab CI/CD, Docker, Quality gates, Test strategy, Quality engineering, Parallel execution, Automated reporting

Architecture and Productivity: Page Object Model, Reusable frameworks, CLI tooling, Reusable libraries, Workflow automation, Technical documentation

Observability and Data: K6, GoReplay, Grafana, Pyroscope, Profiling, Load baselines

Professional experience

Scanntech — Senior QA Automation Engineer / AI Automation

Jan 2026 – Present | Mendoza, Argentina (invited to Uruguay for SDD talk)

  • Dockerized the full Playwright project, standardizing the execution environment and removing drift between local and CI.
  • Built reusable testing libraries with centralized config and a custom CLI, cutting new-project setup time and unifying team practice.
  • Standardized GitHub Actions CI/CD pipelines with parallel test execution, automated reporting, and quality gates.
  • Implemented K6 performance testing with a GoReplay traffic-capture pipeline, server-side profiling in Grafana, and a GoReplay-to-K6 conversion script for more realistic load tests.
  • Built custom skills, MCP servers, and Spec Driven Development specs for Claude Code to automate team dev and testing workflows.
  • Invited to Uruguay to deliver a Spec Driven Development talk.

Mercado Libre — Staff Software Engineer in Test

Aug 2023 – Jan 2026 | Mendoza, Argentina

  • Co-created LTP, the internal testing framework on Fury + Playwright, standardizing E2E automation at scale and reducing test creation time by 60%.
  • Built API testing adapters and request transformation layers, reducing integration errors by 35% and simplifying new-service onboarding.
  • Automated integration, contract, and E2E validations inside CI/CD, cutting the feedback cycle from 45 min to 12 min.
  • Orchestrated autonomous AI agents for analysis and validation, saving ~8h/week of manual testing.
  • Pioneer of Spec Driven Development and AI-assisted development (Cursor / Claude Code), multiplying test authoring velocity.
  • Maintained and scaled a +10,000 integration test repository, dropping flaky tests from 27% to 3% via systematic code review.

Geopagos — Staff QA Automation Engineer / Test Architect

Sep 2021 – Apr 2023 | Argentina

  • Designed reusable Cypress libraries adopted by 5+ teams, cutting new-project setup time by 40%.
  • Automated iOS testing with WebDriverIO, extending coverage to native mobile.
  • Standardized K6 performance testing and led internal workshops, establishing performance baselines for 8 critical services.

Tiempo Gestión — QA Engineer (Feb 2019 – Sep 2021) · Full Stack Engineer (Feb 2017 – Feb 2019)

Feb 2017 – Sep 2021 | Mendoza, Argentina

  • Led the shift from manual testing to automated regression suites, improving release stability.
  • Integrated automated tests into batch processes, reducing production errors and accelerating delivery cycles.
  • Delivered full-stack features (PHP, Node.js, Vue.js) for internal systems, optimizing performance and UX.

Projects

PK Studio — Production RAG for DJs

Two production RAG systems for DJs and music-industry workflows, active in a real product context with around 10 clients. Architecture covers ingestion, retrieval, grounded generation, and private-client boundaries.

KaizenTerm — local-first cockpit for AI coding agents

Open-source desktop app that orchestrates AI coding agents, parallel terminals, worktrees, tasks, secrets, and releases from a single cockpit. Built with Electron, TypeScript, Node.js, Ollama, and DeepSeek.

SwarmClaw — multi-agent validation and orchestration

Multi-agent project for autonomous validation and AI-assisted dev workflows, with explicit recovery and audit surfaces.

SwarmDash — AI agent orchestration dashboard

Dashboard for coordinating autonomous agents with workflow control, SLO monitoring, and recovery automation.

Education

  • Licentiate degree, Management Information Systems, General — Universidad de Palermo, 2023 – 2028
  • Técnico superior en Desarrollo de Software · Software development — IES Manuel Belgrano, 2020 – 2023
  • Quality Assurance — Crowdar Academy, 2020
  • Diplomatura en Programación · Programming — Egg Educación, 2019 – 2020
  • PHP and Node.js — Parque TIC, 2019 – 2020

Languages

  • Spanish: Native
  • English: Professional working proficiency, EF SET Certified

Certifications

  • Accredited Software Testing Fundamentals Certification (AICS® ASTFC)
  • EF SET English Certificate 54/100 (B2 Upper Intermediate)
  • Experto Universitario en Javascript B1 Intermediate
  • Professional Testing Master — UTN Buenos Aires
  • Scrum Foundations Professional Certificate — Certiprof
  • DevOps Essentials Professional Certificate — Certiprof
  • CCNA — Cisco Certified Network Associate

ATS keywords

SDET, Software Engineer in Test, AI QA Automation Engineer, Test Platform Engineer, QA Automation Lead, LLM Evaluation Engineer, Developer Productivity Engineer, TypeScript, JavaScript, Python, Node.js, REST API, Docker, GitHub Actions, Jenkins, GitLab CI/CD, Playwright, Cypress, Selenium, K6, GoReplay, Grafana, Pyroscope, MCP, Claude, Claude Code, Cursor, Codex, Ollama, DeepSeek, LLM, LLM-assisted testing, test generation, failure triage, quality gates, Spec Driven Development, OpenSpec, test automation, API integration, CI/CD automation, internal tooling, CLI, software quality, performance testing, observability