Senior Software Engineer (infrastructure focused)

Job Title: Senior Software Engineer

Location: London

My client is looking for a senior software engineer with a strong background in infrastructure, DevOps, and security best practices, along with advanced Python development skills. In this role, you’ll play a pivotal part in designing and leading infrastructure-focused projects, helping them scale and secure.

You’ll be joining a high performing, cross-functional engineering team where infrastructure is a first-class concern. You’ll have ownership of critical systems and the opportunity to define how they build and operate in production.

What You’ll Do

• Lead the architecture and implementation of infrastructure projects end to end
• Champion DevOps and security best practices across the engineering teams
• Design and build tools and automation to support deployment, monitoring, and scaling
• Collaborate with product and engineering teams to ensure infrastructure supports business goals
• Improve observability, incident response, and system reliability
• Help shape our cloud strategy, ideally with experience in AWS account and resource management

Requirements

• 5+ years of experience as a software engineer with a focus on infrastructure or DevOps
• Advanced skills in Python and experience writing production grade code and tools
• Proven experience leading infrastructure or platform engineering projects from start to finish
• Solid understanding of cloud infrastructure, ideally with hands-on experience in AWS
• Strong knowledge of security best practices, including secrets management, access control, and compliance frameworks
• Comfortable working in a hybrid team environment (3 days a week onsite in London)
• Experience with Terraform, Kubernetes, or CI/CD pipelines
• Familiarity with observability tooling (e.g. Prometheus, Grafana, Datadog)
• Experience mentoring or leading other engineers