Senior / Lead QA Engineer – AI Testing (Colombia)

At GFT, a integral AI-centric digital transformation company, we're looking for a Senior / Lead QA Engineer to drive quality across AI systems and securitization platforms in capital markets, combining traditional QA with AI-specific validation. Based in Colombia, working Colombia hours (COT, UTC-5), Monday to Friday.

WHAT YOU'LL DO
- Design and execute test strategies for LLM-based systems: prompts, hallucinations, bias, safety and red-team testing
- Test RAG pipelines, vector databases, LangChain/LangGraph flows and MCP integrations
- Build and maintain automated test suites (UI, API and backend)
- Validate end-to-end securitization deal workflows and data reconciliation
- Lead regression testing, defect triage and production support
- Track quality KPIs, report to leadership and mentor junior QAs

REQUIREMENTS
- 7+ years in QA / quality engineering, 3+ in a lead or senior role
- Securitization,



capital markets or similar asset classes domain knowledge
- Test automation with Selenium, Robot Framework or Playwright
- Java and Python, with framework implementation experience
- API automation, SQL, data validation and reconciliation testing
- CI/CD and DevOps (Jenkins, GitHub or similar)
- Understanding of LLM architecture and behavior
- Hands-on LangChain and/or LangGraph
- RAG pipelines, vector databases and agentic solutions
- Fluent English

NICE TO HAVE
- Model Context Protocol (MCP) integration testing
- Generative AI evaluation metrics

BENEFITS
- Flexible, tailor-made benefits plan
- Corporate academy to keep growing your skills
- Referral bonus
- Local and international projects with teams in 20+ countries
- Work-life balance, diversity and inclusion culture
- Great Place to Work® certified company

📌 Senior Quality Assurance Engineer Lead (Colombia)
🏢 Gft Technologies
📍 Colombia