Real-Time Trading Observability & Deployment Engineer

Dex; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Dex partners with a financial tech firm in Greater London to recruit a senior systems engineer to design and operate observability and deployment platforms for real-time trading systems.

You will build and maintain fault-tolerant, high-availability infrastructure, implement OpenTelemetry, Prometheus, Grafana, and CI/CD tooling, and collaborate across engineering teams to reduce operational risk and improve platform safety.

Qualifications

• Deep experience with distributed and real-time systems engineering.
• Production-level expertise in Kubernetes, containerisation, and orchestration at scale.
• Strong debugging instincts; you can quickly diagnose and resolve complex issues in unfamiliar systems under pressure.
• Experience with CI/CD and deployment automation, specifically building release tooling for high-stakes environments.

Responsibilities

• Design and implement observability infrastructure (e.g., Prometheus, Grafana, OpenTelemetry) for complex, real-time trading systems.
• Engineer deployment tooling and CI/CD pipelines to ensure safe, reliable releases across a federated engineering environment.
• Build and maintain fault-tolerant, high-availability platforms that directly support live financial research.
• Proactively identify and mitigate operational risks, moving beyond reactive incident response to systemic prevention.
• Collaborate across multiple engineering teams and research functions to define runtime boundaries and strengthen platform safety.

Skills

Distributed systems engineering

Real-time systems

Debugging under pressure

CI/CD and deployment automation

Tools

Kubernetes

OpenTelemetry

Prometheus

Grafana

Job description

Dex partners with a financial tech firm in Greater London to recruit a senior systems engineer to design and operate observability and deployment platforms for real-time trading systems.

You will build and maintain fault-tolerant, high-availability infrastructure, implement OpenTelemetry, Prometheus, Grafana, and CI/CD tooling, and collaborate across engineering teams to reduce operational risk and improve platform safety.