3 of 3 Non-Blocking Code Jobs in London

fast, resilient, and available when it matters most. THE JOB As a Principal Engineer on the Prepurchase Platform team, you will write code, build systems, and solve hard problems hands-on. This is a systems thinking role: you will reason carefully about distributed systemstradeoffs, understand why existing designs … withstrongcommand of JVM internals, garbage collection behavior, and performance tuning under load. Kotlin is a plus. Hands-on experience with a reactive, non-blocking framework (Vert.x, SpringWebFlux, or equivalent) and asynchronous, event-driven service design. Deep experience with stream processing and event-driven architecture - Kafka Streams ...

community and support adoption at scale. Define and measure success using indicators such as DORA and flow metrics, adoption and engagement signals, and code quality or operational outcomes. Partner closely with Security, Model Risk, and other stakeholders to keep controls proportionate and non‐blocking. Occasionally build ...

native and we build our security tooling in the same stack. Applications without production Go will not progress. Software engineering fundamentals. Version control, code review, testing, CI/CD, observability, on-call for services you've built. You are an engineer who does security, not a security person … work, not optional context. Nice to have: Open source contributions or side projects, we would like to see how you write code before the technical interview. Payments industry experience (card acquiring, issuing, PIN, EMV, terminal fleet operations).Regulated fintech environment (FCA, ECB, or equivalent supervisory scope).Ways ...