QA Engineer (LLM-tools)

About Us 

ExpoPlatform is a UK-based company founded in 2013, delivering advanced technology for online, hybrid, and in-person events across 30+ countries. Our platform provides end-to-end solutions for event organizers, including registration, attendee management, event websites, and networking tools.

About the Role

We are looking for a QA Engineer to join our Data Science team. You will be responsible for ensuring high-quality deliverables by executing comprehensive testing strategies and collaborating closely with developers, product owners, and designers.

Role Responsibilities:

• Analyze project documentation to understand business and technical requirements

• Perform functional and non-functional testing (web, mobile, agentic services)

• Test API endpoints and data flows within services managed by DS team

• Test frontend and backend processes during interactions with DS services

• Validate prompt responses, agent workflows, and conversation logic

• Identify inconsistencies, hallucinations, or undesired behaviors in LLM outputs

• Collaborate with ML engineers, product managers, and UX designers to improve AI reliability and user satisfaction.

• Conduct performance and latency testing for AI model inference and responses.

• Conduct product regression and release testing

• Identify, document, and track software bugs

• Provide clear reporting on testing progress and results

• Participate in planning, decomposition, and refinement

• Stay up-to-date with LLM capabilities, limitations, benchmarking, quality metrics and testing tools

Required Skills & Experience:

• 3+ years of experience in functional and non-functional testing

• Hands-on experience testing AI systems, chatbots, or LLM-based tools

• Familiarity with prompt engineering and model evaluation techniques

• Solid understanding of QA methodologies, tools, and processes

• Experience in API testing and using REST client tools

• Familiarity with HTML, XML, SQL, and web technologies

• Knowledge of Jira, Confluence, TestRail, or similar tools

• Advanced English level (C1)

Would a Plus:

• Languages: French, German, Spanish

• Knowledge of programming basics and automation

• Experience with test automation frameworks (Pytest, Selenium)

• Experience with AWS, GIT, and test plans

• Understanding of CI/CD pipelines

What We Offer

• Career growth with an international team.

• Competitive salary and financial stability.

• Flexible working hours (Mon-Fri, 8 hours).

• Free English courses and a budget for education