Python Developer (Observability)

TL;DR

Python Developer (Observability): Building and extending observability tooling across telemetry pipelines and backend systems with an accent on scalability and developer experience. Focus on developing OpenTelemetry collectors, optimizing real-time data telemetry, and improving incident response coverage.

Location: Hybrid (London Area, United Kingdom)

Company

A leading quantitative research and trading firm.

What you will do

• Build and extend observability tooling across telemetry pipelines and backend systems.
• Develop and maintain OpenTelemetry collectors, SDKs, and exporters.
• Define and promote “golden paths” for instrumentation across a wide range of services.
• Collaborate with engineering and research teams to improve visibility and developer experience.
• Scale and optimize telemetry systems handling large volumes of real-time data.
• Improve incident response through better coverage and monitoring.

Requirements

• Expert-level Python development with a focus on backend systems.
• Experience designing and building scalable, distributed systems.
• Exposure to Kubernetes and cloud-native environments.
• Familiarity with observability tooling such as Prometheus, Grafana, and OpenTelemetry.
• Experience with DevOps tooling including Terraform, ArgoCD, Helm, and Jenkins.
• Must be based in the London Area, UK for a hybrid work arrangement.

Culture & Benefits

• Engineering-led culture focused on long-term thinking and technical depth.
• Opportunity to work on large-scale systems supporting research and trading workflows.
• Close collaboration with engineers and researchers across the business.
• Opportunity to shape observability standards across a complex platform.