Apply for

Lead QA Engineer

London

full time

on-site

data & engineering

Salary£60,000 - £90,000

You believe quality is engineered, not tested in at the end.
You can challenge engineers without slowing them down.
You want to build QA systems that scale with product complexity.
If you only write test cases, this role is not for you.

The Role, In Plain English

You will lead QA across multiple squads building AI-driven investment products.
This role exists to ensure speed does not compromise trust.
You will define how quality works at Reflexivity.

What You’ll Be Responsible For

• Build and lead QA strategy across backend and AI systems

• Define automated testing standards and tooling

• Work closely with engineers to prevent regressions early

• Own release confidence and quality metrics

• Mentor QA engineers and raise standards

What “Good” Looks Like

3 months: Clear QA ownership and improved test coverage.
6 months: Fewer production issues and faster releases.
12 months: QA is a force multiplier, not a bottleneck.

Who You Are

• 5 plus years QA experience with leadership responsibility

• Startup experience on core products

• Strong understanding of backend systems

• Comfortable working with engineers daily

• Fintech or data-heavy product exposure

Nice-to-Haves

• Experience testing ML or AI systems

• Golang or Python familiarity

Compensation & Practicalities

£90,000 to £120,000, equity included, London in-office.

£90,000—£120,000 GBP