Senior QA Engineer - AI & Omnichannel Quality

Keyloop; East Hampshire; On-site; GBP 70,000 - 95,000; Full time

Job summary

Keyloop is seeking a Senior QA Engineer to own quality across our product portfolio, defining the QA strategy from backend services to omnichannel communications. You will build automated tests for a TS/Node.js/React/Python stack and design evaluation frameworks for AI agent behaviour, focusing on reliability, performance and security.

You will collaborate with engineers and product teams to embed quality from the start, advocate for testability and help raise the bar on what constitutes done.

Qualifications

• Proven experience as a Senior QA Engineer on complex, production software products.
• Strong hands‑on skills using test frameworks (Playwright, Cypress, Jest).
• Experience testing APIs, backend services, and databases (PostgreSQL or similar).
• Understanding of testing non‑deterministic systems and QA strategy design.

Responsibilities

• Design and own the quality strategy for our AI agent platform, including testing non‑deterministic systems.
• Build automated test suites across unit, integration, API, and end‑to‑end tests for TS/Node.js/React/Python stack.
• Develop evaluation frameworks for agent behaviour and reasoning quality.
• Test omnichannel platform across web, messaging, voice channels and more.
• Collaborate with engineers to define acceptance criteria and improve testability.

Skills

Senior QA Engineer

QA leadership

Testing strategies

Communication

Tools

Playwright

Cypress

Jest

PostgreSQL

Job description

Keyloop is seeking a Senior QA Engineer to own quality across our product portfolio, defining the QA strategy from backend services to omnichannel communications. You will build automated tests for a TS/Node.js/React/Python stack and design evaluation frameworks for AI agent behaviour, focusing on reliability, performance and security.

You will collaborate with engineers and product teams to embed quality from the start, advocate for testability and help raise the bar on what constitutes done.