Senior Software Engineer
Contract Senior Engineer – Observability (OpenTelemetry Focus)
Rate: £750–£780 per day (Inside IR35)
Duration: 6 months
Start: April
Work Pattern: Hybrid (3 days/month onsite)
Wedo has partnered with a Fortune 500 business looking to bring in a software engineer who’s moved into observability — not the other way round.
This isn’t a “keep the lights on” role.
It’s for someone who’s built systems, understands code paths, and now wants to shape how those systems are understood, measured, and improved at scale.
🚧 The Reality
Observability here hasn’t been neglected it’s just grown organically.
Different teams, different standards.
Inconsistent instrumentation.
High-cardinality data driving cost.
Signal-to-noise ratio... not ideal.
There’s already a team tackling technical debt.
This role is about stepping back and engineering what “good” looks like across the estate.
🧠 What You’ll Actually Be Doing
- Instrumenting services using OpenTelemetry across AWS (Lambda, EC2, Fargate)
- Defining and rolling out consistent observability standards
- Reducing noise and cost without losing critical insight
- Working directly with engineering teams to embed observability into how they build
- Helping shape the next iteration of the observability strategy
This is hands-on engineering work, not just configuring dashboards in New Relic.
🔍 What They’re Looking For
- Strong software engineering background (Go, Java, or Python)
- Proven OpenTelemetry experience in production
- Experience integrating OTEL into AWS environments (Lambda, EC2, Fargate)
- Solid understanding of distributed systems / microservices
- Experience instrumenting codebases, not just reading metrics
- Exposure to APM tools (New Relic ideally, but not essential)
- Bonus: Terraform, Kubernetes, CI/CD
Hit apply with your CV and number.
2 stage hiring process 30 mins with Hiring Manager + 30 mins with Principal Engineer
2 week background checks as part of onboarding process