Job Description
Staff Site Reliability Engineer – Data & Trading Platforms
London, Barcelona or Madrid | Full-time | Hybrid
The mission
Join a fast‑growing B2B data platform used by commodity traders to replace spreadsheets and fragmented tools with a single real‑time view of the market. The product ingests live data streams, powers complex analytics and visualisations, and is becoming the operating system for trading teams globally.
The role
You’ll be the reliability specialist embedded in a product engineering team, owning how distributed systems are designed, run and scaled rather than sitting in a separate ops silo. Expect real‑time data, high‑throughput pipelines and a strong “you build it, you run it” culture, with plenty of scope to shape infrastructure direction and mentor others.
What you’ll do
1. Lead the design and evolution of reliable, scalable and observable infrastructure for real‑time and analytical data systems.
2. Embed SRE practices (SLIs/SLOs, error budgets, operational readiness) across product teams.
3. Optimise performance, availability and cost across cloud environments while maintaining strong security and resilience.
4. Build and enhance observability stacks for metrics, logging, tracing a...