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From the employer's careers site First seen 6 Nov 2026

Senior QA Automation Engineer

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

We're seeking a Senior QA Automation Engineer to join the team building next-generation distribution capabilities for our index products.

You'll design and build the QA automation platform that validates how index data reaches the global financial community: APIs, cloud data platforms, file-based delivery, and AI-native protocols.

Reliability, security, and data quality are non-negotiable, and you will be central to proving them with every release.

Responsibilities

  • Build and scale a QA automation platform across all distribution channels.
  • Own API and contract testing to protect client integrations.
  • Automate data quality checks for file and cloud data delivery.
  • Run performance and load testing at scale.
  • Validate AI-native channels, including MCP and LLM output.
  • Create reproducible test environments and synthetic data.
  • Embed quality gates in CI/CD and champion shift-left testing across the team.

Tech Stack

  • Test Automation: Playwright (UI and API), Pytest, Pact (contract testing), k6 (performance and load)
  • Languages: JavaScript, TypeScript
  • Cloud: AWS (Lambda, API Gateway, S3, SQS, SNS, Aurora, and others as required)
  • Databases: PostgreSQL, Apache Iceberg, DynamoDB
  • Environments: LocalStack, Testcontainers, Terraform
  • CI/CD: GitLab
  • AI Development: Agentic AI tooling (e.g. GitHub Copilot, Claude Code)

Experience We Value

  • 8+ years in QA automation or SDET roles.
  • Built test automation frameworks from scratch in JavaScript.
  • Strong API, contract, and performance testing experience.
  • Solid SQL and data validation skills.
  • Testing cloud-native systems on AWS within CI/CD pipelines.
  • Hands-on with AI development tooling, using it to move faster without compromising quality.
  • Basic understanding of financial services or capital markets.
  • Clear communicator of quality risks and trade-offs.

Benefits

  • Healthcare
  • Retirement planning
  • Paid volunteering days
  • Wellbeing initiatives

Skills

Required

Apply on London Stock Exchange Group (LSEG)