Platform Engineer @ Tunic Pay

Tunic Pay
Tunic Pay

Software Engineering

Posted on Aug 5, 2026
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We’re looking for a creative, experienced platform engineer based in London to join our fintech startup at the ground floor. If you are excited about independence, impact, and contributing to the battle against scams and financial crime, read on to learn more ⬇️

About the role 🎭

Banks approve or reject payments with almost no context. We're building the intelligence layer that changes that — running real-time investigations on payments before they clear so scams get intercepted and genuine payments flow. The technical challenge is to keep this system running and healthy 24/7/365, while helping build the internal platform that lets a fast-moving engineering team ship with confidence.

What you'll work on

  • Own the reliability and operability of our production systems — monitoring, alerting, incident response, and post-incident learning
  • Maintain and evolve our infrastructure-as-code estate (Terraform on GCP). Make it easy for engineers to ship safely and hard to ship dangerously
  • Secure our infrastructure defaults so that the easy path is the safe path
  • Design and implement observability across our stack: metrics, traces, logs, and the dashboards and alerts that make them useful — including for AI agent behaviour
  • Drive incident response maturity, from detection through resolution to follow-up
  • Implement platform capabilities that unblock engineering teams — deployment pipelines, release tooling, developer experience improvements

    • Why this is hard

    We're a small team shipping to large banks. Enterprise resilience and startup velocity — that tension is real and it’s not going away. To compound it further, our production systems are increasingly powered by AI agents that are non-deterministic by nature. Traditional monitoring and alerting isn't enough when correct behaviour isn't always the same twice. You'll need to use (or invent!) cutting-edge approaches to observability for systems that don't behave like conventional software. This is frontier work, and there's no textbook answer.

    This is not a "keep the lights on" role. You'll be defining what good looks like for Platform and have real ownership over how infrastructure culture develops here.

    Our stack today

  • Infra: GCP, Terraform, Cloud Run, Secret Manager, Artifact Registry, IAM, GCP managed datastores
  • Backend: Python, Go, Kotlin, TypeScript
  • CI/CD: GitHub Actions
  • Observability: GCP Cloud Monitoring, Cloud Logging, OpenTelemetry (we know we need more — that's where you come in)
  • Workflow orchestration: Temporal

    • But honestly, if you've built production infrastructure that teams depend on, the specific tools matter less than your judgement on when to reach for them.

    About YOU 🦄

    Here are some thoughts on who would be successful in the role. We know we won’t be able to assess these from your CV, but our interview process will be designed around them:

  • Ownership mindset: You see a gap in reliability and you fill it. You don't wait to be told what to fix; you talk to the team, understand what they need to ship safely, and build it.
  • Systems thinking: You understand how distributed systems fail and you design for it. Blast radius, graceful degradation, recovery by default.
  • Pragmatism: You know when to build, when to buy, and when to duct-tape. Perfect is the enemy of reliable.
  • Communication: You can run an incident calmly, write a post-mortem clearly, and explain a monitoring gap to engineers who aren't thinking about infrastructure.
  • Collaboration: Direct, proactive, generous to others, low ego. No alert is too small if a customer depends on it.

    • Some hard skills we'd value

  • Infrastructure-as-code: Strong Terraform experience on real production infrastructure. GCP is a bonus.
  • Observability: You've built monitoring, alerting, and dashboards for distributed systems. Bonus if you've worked with non-deterministic or ML-powered systems.
  • Incident response: You've been on-call, run incidents, and built the processes that make both better.
  • Security foundations: Network security, least-privilege access, secrets management, secure-by-default infrastructure.
  • CI/CD: Deployment pipelines that teams trust. You care about deploy velocity and rollback safety.
  • Experience: 5+ years. We're looking for someone who can structure their own work and define what good looks like.
  • Stage of experience: We value people who have worked in early-stage companies. You're comfortable with ambiguity and building where there's no map.
  • Industry: Prior experience in fintech or other regulated verticals is a plus.

    • Not got 100% of the above? Research shows that women and under-represented minorities are less likely to apply for a role if they do not meet 100% of the requirements. We’re paying attention to this, so please feel free to apply regardless (<2mins) or send us a note on info@tunicpay.com if you’d like to discuss if there’s a fit.

    Apply now
    See more open positions at Tunic Pay