Senior Platform Engineer

Senior Platform Engineer | £100k+ | Hybrid

We’re looking for a Senior Engineer to help operate and evolve production platforms at scale. In this role, you’ll bring hands-on experience, sound judgement, and a proactive mindset to help shape reliable, high-performing systems.

You’ll be trusted to make informed trade-offs, anticipate potential failure points, and guide the team using lessons learned from real-world environments. While continuous learning is encouraged, you’ll be comfortable working independently after onboarding and contributing valuable insights to the wider team.

Key Responsibilities

• Own and operate scalable web platforms in production environments
• Design, implement, and optimise cloud infrastructure (AWS)
• Define and maintain effective monitoring, alerting, and observability practices
• Identify and respond to abnormal or unsafe system behaviour
• Build and maintain continuous delivery pipelines supporting safe, zero-downtime deployments
• Participate in on-call rotations and lead incident response, driving improvements from learnings
• Collaborate with engineers across the organisation to solve complex technical challenges
• Mentor team members and contribute to knowledge sharing across the engineering function

Requirements

• Proven experience managing and scaling production web platforms
• Strong hands-on experience with AWS in live environments
• Solid understanding of monitoring, alerting, and metrics (with a focus on signal over noise)
• Experience with platform security and observability tooling
• Background in CI/CD design and implementation
• Experience working in on-call environments and handling production incidents
• Confidence working with command-line tools and environments
• Proficiency in at least one programming language for automation or tooling
• Comfortable working in fast-paced environments with shifting priorities
• Strong collaboration and communication skills

Benefits

• Private health insurance
• Discounted gym membership
• Volunteering membership and one paid volunteering day per year
• Pension scheme
• Electric vehicle leasing scheme
• Enhanced parental leave
• Workplace nursery scheme
• Cycle to work scheme