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Principal Performance Engineer - Fintech

United Kingdom
Full Remote
This Job is No Longer Active This position is no longer accepting applications

Build a performance function from scratch, own strategy, tooling, and environment design. Define and lead performance testing strategy, architect replica production environments, and integrate performance testing into CI/CD. Diagnose bottlenecks and model real production traffic.

Key Highlights
Build a performance function from scratch
Own strategy, tooling, and environment design
Define and lead performance testing strategy
Key Responsibilities
Define and lead performance testing strategy
Architect dedicated replica production environments
Integrate performance testing deeply into CI/CD
Diagnose bottlenecks across APIs, services, and databases at scale
Model real production traffic and translate findings into business impact
Technical Skills Required
Performance testing Locust JMeter K6 Blazemeter Oracle PostgreSQL MSSQL
Benefits & Perks
£90,000 + 7% bonus
Fully remote (UK only)
Permanent right to work required

Job Description

🚀 Principal Performance Engineer I – Fast‑Growth Fintech

£90,000 + 7% bonus · Fully Remote (UK only – permanent right to work required)

We are hiring for one of the UK’s fastest‑growing fintech’s, scaling a high‑throughput payments platform that demands world‑class performance engineering. This is a rare chance to build a performance function from the ground up and own strategy, tooling, and environment design.

If you love getting into the guts of distributed systems, modelling real traffic, and uncovering root causes, this is your next big step.

🌟 Why this role?

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