Site Reliability Engineer

Senior Site Reliability Engineer – Cloud \& Kubernetes (FinTech)

No Sponsorship Option

£70,000 - £90,000

Hybrid, 3 days per week in Cambridge

We’re partnered with a fast-growing, well-funded fintech startup that’s rebuilding post-trade infrastructure for global capital markets. Their cloud-native SaaS platform is modernising how complex financial transactions are processed—bringing automation, transparency, and real-time insight into traditionally opaque workflows.

As a

Senior Site Reliability Engineer

, you’ll join a highly technical, hands-on engineering team focused on keeping mission-critical systems reliable, observable, and resilient. This is a true SRE role with real ownership—working close to production, influencing system design, and helping scale a Kubernetes-based AWS platform operating in a regulated environment.

What you’ll do

Build and evolve observability across metrics, logs, and traces

Design dashboards and alerting that surface clear, actionable signals

Monitor production systems and lead incident response when needed

Troubleshoot across Kubernetes, AWS, and application layers

Drive root cause analysis, blameless post-incident reviews, and durable fixes

Reduce operational toil through automation and reliability improvements

Partner closely with Platform and Application Engineering teams

What you’ll bring

Strong hands-on experience running Kubernetes in production

Practical experience with observability tooling (metrics, logs, tracing)

Solid AWS and cloud-native architecture knowledge

Excellent troubleshooting skills in distributed systems

Experience responding to and managing production incidents

Comfort working in live, high-availability environments

Nice to have

Experience with VictoriaMetrics or similar observability platforms

Background in fintech or regulated environments

CI/CD and deployment automation exposure

Cloud cost optimisation experience

This role is ideal for an SRE who enjoys understanding how systems behave in the real world—and making them better every day.

Interested? Apply or message us to learn more.