Senior Software Engineer II — Reliability & Observability

Confidential; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Flexible remote model

Professional development stipend

Health and parental leave

Job summary

the company is hiring a Senior Software Engineer II to join the OPX team within the Developer Experience organization. You will design and build automated reliability and self-healing systems at scale, delivering platform tooling that engineers across the company adopt for their services.

You will own incident management tooling, evolve observability infrastructure with SLOs and real-time signals, and contribute to AI-driven automation that reduces toil and speeds delivery.

Qualifications

• 8+ years of experience designing and building products in a software engineering team.
• Bachelor's Degree in Computer Science/Engineering or equivalent practical experience
• 3+ years of experience on infrastructure and/or platform engineering focused teams
• Expertise in Observability and reliability, operational metrics and data analysis
• Proven track record architecting monitoring frameworks, SLO platforms, and automated response workflows (Datadog or equivalent)
• Proven experience working on large-scale enterprise software applications
• Experience in Developer Experience (DevEx) & Internal Portals
• Familiarity with cloud platforms (AWS, GCP or similar)
• Experience implementing AI-driven automation across the SDLC
• Experience writing high-quality code (Go, Python or equivalent)
• Experience mentoring engineers in a technical lead capacity
• Proactive growth mindset

Responsibilities

• Design and build automated reliability and self-healing systems that protect production at scale
• Own and improve incident management tooling and on-call health
• Develop and evolve observability infrastructure with monitoring, SLOs, and performance regression detection
• Contribute to AI-driven operational tooling for autonomous remediation
• Drive incident prevention by identifying systemic patterns and reducing toil
• Partner with product engineering teams to diagnose reliability gaps
• Define and champion operational excellence best practices across engineering
• Embed the company's cultural principles across global teams

Skills

Mentoring engineers

Team collaboration

Growth mindset

Go/Python coding

Education

Bachelor's Degree in Computer Science/Engineering

Tools

Datadog

New Relic

Grafana

PagerDuty

Terraform

Job description

the company is hiring a Senior Software Engineer II to join the OPX team within the Developer Experience organization. You will design and build automated reliability and self-healing systems at scale, delivering platform tooling that engineers across the company adopt for their services.

You will own incident management tooling, evolve observability infrastructure with SLOs and real-time signals, and contribute to AI-driven automation that reduces toil and speeds delivery.