Software Engineer (C# / Python) – Platform & Observability Focus

Company: Arcus Search
Apply for the Software Engineer (C# / Python) – Platform & Observability Focus
Location: London
Job Description:

Software Engineer (C# / Python) – Platform & Observability Focus

We’re looking for a Software Engineer with a strong platform engineering mindset, ideally coming from a background close to observability, shared tooling, or developer infrastructure.

This is a cross-platform engineering role focused on building shared engineering patterns, SDKs, and reusable libraries used across multiple teams – not single-product feature delivery.

Key focus of the role

  • Build and maintain SDKs, libraries, and shared engineering components
  • Work on cross-team platform solutions and engineering standards
  • Contribute to observability tooling and instrumentation (OpenTelemetry exposure required)
  • Improve engineering consistency through reusable patterns and automation
  • Support distributed systems and backend engineering initiatives
  • Work across C# and Python environments
  • Collaborate with engineers to improve reliability, telemetry, and system insight

What we’re looking for

  • Strong Software Engineering background in C# and/or Python
  • Experience building SDKs, libraries, or internal developer tooling
  • Familiarity with observability concepts (Otel, tracing, metrics, logging)
  • Experience working in distributed systems or platform-style environments
  • Strong understanding of software design patterns and reusable architecture
  • Comfortable working across multiple teams and systems

Nice to have

  • Hands-on OpenTelemetry experience (not just awareness)
  • DevOps, CI/CD, or automation tooling exposure
  • Background in platform engineering or SRE-style roles
  • Focus is shared engineering infrastructure, not feature development
  • Cross-platform role with strong DevOps / backend engineering overlap
  • Exposure to observability is key — not expert level, but must be familiar

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Posted: July 6th, 2026