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Luciano Arguello

Luciano Arguello

Senior QA & SDET | AI Test Engineer | LLM Evaluation, Agentic QA & Playwright Infrastructure | CICD | Working remotely for distributed teams across the world.

Córdoba, Argentina 🇦🇷 | Remote for US & Global Teams 🌎

Quality engineering, reimagined for the AI era.

I'm a Senior SDET, 15+ years building release pipelines that don't break under pressure — 1,000+ automated tests, 60% less manual work, 30% faster deployments at Upwork Inc., AppDirect, Inc., and Globant S.A. Today I focus on what comes next: LLM evaluation, agentic systems, and probabilistic validation for products where the right answer isn't always the same one twice.

  1. SDET — AI & Agentic Search

    May 2026 — Present · 3 mos

    Upwork Inc. 🇺🇸

    Defining quality strategy for AI-powered search and agentic systems: LLM evaluation, prompt regression, model evaluation, and layered deterministic + probabilistic validation for Upwork 2.0.

  2. Software Engineer in Test

    Oct 2025 — May 2026 · 7 mos

    Upwork Inc. 🇺🇸

    Migrated legacy Ruby suites to modern Playwright e2e, designed scalable automation frameworks for backend + web, and drove shift-left practices across integration, API, and performance layers.

  3. QA Automation Engineer

    Apr 2018 — Oct 2025 · 7 yrs 6 mos

    Upwork Inc. 🇺🇸

    Built the QA layer of the CI/CD pipeline (+30% deployment efficiency), validated 20 microservices over REST/GraphQL at 99.9% reliability, introduced Gatling load testing, and ran A/B tests on LLM-based search relevance that lifted match success by 15% for 500K+ users.

  4. QA Engineer

    Apr 2017 — Apr 2018 · 1 yr

    ThirdLove, Inc. 🇺🇸

    Owned end-to-end test planning and reporting (–30% post-release defects), validated REST APIs with Postman, and automated UI flows via Ghost Inspector (–40% manual time, +25% coverage).

  5. QA Automation Engineer

    Sep 2015 — Apr 2017 · 1 yr 7 mos

    AppDirect, Inc. 🇺🇸

    Automated the full legacy manual suite (–70% regression time), built 100+ UI & REST tests with TestNG + Selenium, managed Jenkins CI/CD (–50% deploy failures), and ran JMeter performance tuning (+20% perf).

  6. QA Analyst

    Mar 2014 — Sep 2015 · 1 yr 6 mos

    ARRIS Global Ltd. 🇬🇧

    Designed automation scripts for 50+ user stories (+40% process efficiency), validated REST APIs across 30+ stories (–25% integration issues), and shaped end-to-end testing strategy.

  7. QA Automation Engineer

    Aug 2011 — Mar 2014 · 2 yrs 7 mos

    Vates S.A. 🇦🇷

    Automated 80+ cases with JBehave + Selenium (–50% regression time) and executed 100+ manual tests (+30% defect detection).

  8. QA Test Analyst

    Nov 2009 — Jul 2011 · 1 yr 8 mos

    Globant S.A. 🇦🇷

    Led a 4-person QA team running daily pre-prod regressions; tracked 100+ bugs in Jira at a 90% pre-release resolution rate; coordinated daily with a US-based dev team.

  • LLM Evaluation
  • Agentic QA
  • AI-Driven Test Automation
  • Prompt & Model Regression Testing
  • Playwright
  • Selenium
  • TypeScript
  • Java
  • REST API Testing
  • GraphQL Testing
  • Postman
  • JMeter
  • Jenkins
  • CI/CD Pipelines
  • Shift-Left Testing
  • Test Strategy & Planning
  • Microservices Testing
  • TestRail
  • Jira
  • Agile / Scrum
  • Build AI Agents and Automate Workflows with n8n LinkedIn Learning
  • Software Testing Foundations: Keeping QA Skills Current in the Age of AI LinkedIn Learning
  • Software Testing Foundations: Integrating AI into the Quality Process LinkedIn Learning
  • AI for Software Testers: Apply AI Tools and Techniques to the Software Testing Life Cycle LinkedIn Learning

Blog Articles

My Apps

Get in Touch

Have a role in mind or want to talk shop about AI-driven QA? I'd love to hear from you.