Senior Software Engineer

Senior Software Engineer (DevSecOps) - INSIDE IR35 - Hybrid 2/3 days a week on site - circa £550 per day

We are looking for an experienced Senior Software Engineer to work on a major programme for a client and you will need to be willing to work up to 2/3 days a week onsite

Key responsibilities

Development process

• Ship small, frequent changes by default: adopt trunk-based development, use feature flags, and enable automated approvals for low risk paths; visualise and act on DORA/flow constraints with the team.
• Treat the Golden Path as the default for new and refactored services; surface policy drift and contribute fixes/templates that improve speed and consistency.
• Lead squad adoption of Golden Path patterns; identify and fix policy drift in pipelines or IaC modules.
• Troubleshoot and remove flow bottlenecks caused by pipelines, environments, data provisioning, or test flakiness.
• Ensure services are instrumented with deployment annotations, golden signals, SLOs, and audit-ready evidence.
• Design for ephemeral/data-ready environments (idempotent data, test hooks, parity enforcement).
• Embed contract/performance/resilience/security tests in CI; elevate squad testability patterns.

Skills (Technical & Delivery)

• Strong in at least one modern language/runtime and cloud native design; solid understanding of API, events, resilience, and observability patterns.
• Testability and shift left (contract/performance/resilience/security) in CI; performance profiling and failover/restore basics.
• Advanced knowledge of CI/CD automation, progressive delivery (feature flags, canary/blue green, rollback), and secure by design patterns.
• Strong understanding of environment architecture (ephemeral envs, drift detection, data on demand).
• Skilled in observability (tracing, metrics, logs) and how to diagnose issues from them.
• Able to assess squad level DORA/flow metrics and remove constraints.

Knowledge & Experience

• Delivered changes through the Golden Path with policy as code guardrails; contributed to release linked observability and improved lead time/CFR at squad level.
• Worked with Release/Environments/QE to run progressive delivery, rehearsals, and data ready testing.

Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.

Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.

Should the role require the successful candidate to undergo and be eligible for UK Security Vetting. Clearance sponsorship will be provided where required. Due to the nature of the work, candidates should meet the relevant residency requirements. If applicable, Reserved Post nationality restrictions will be confirmed by the client. Damia is committed to inclusive recruitment and welcomes applicants from all backgrounds.

Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.