Job Title: Senior Python Engineer (SC Clearable) Location: Fully Remote (UK-based) Contract Type: 6-Month Rolling Contract IR35 Status: Inside IR35 Clearance: SC Cleared (or eligible – must have 5+ years UK residency) Sector: Government / Defence Overview: We are supporting a large-scale transformation programme for a government agency in the defence sector and seeking a Senior Python Engineer to join their high-performing engineering team. This is a long-term programme focused on processing and delivering complex geospatial and environmental data through modern, cloud-based solutions. This fully remote contract offers the opportunity to work on meaningful, high-impact projects within a highly respected, collaborative technical team. Why this team? We currently have two contractors already placed in this team — both have described it as "the best data team they’ve ever worked in” due to its inclusive culture, strong engineering standards, and emphasis on growth and learning. Key Responsibilities: • Design, build, and improve robust, serverless data pipelines in Python • Develop and deploy services on AWS using ECS, ECR, Lambda, and Step Functions • Write production-grade Python code following best practices (not just scripts) • Automate and manage batch processing jobs • Implement CI/CD workflows with testing, static analysis, and monitoring • Coach and mentor other engineers within the team • Collaborate closely with technical and non-technical stakeholders Essential Skills & Experience: • Proven experience in professional Python development (application-level code) • Strong AWS skills, particularly with serverless components (ECS, ECR, Lambda) • Experience building and maintaining automated data pipelines and batch jobs • CI/CD development with testing, linting, and deployment automation • Comfortable working in an agile, DevOps-oriented environment • Excellent communication and team collaboration skills Desirable: • Experience processing geospatial or environmental data • Knowledge of monitoring and logging solutions for data systems • Prior coaching or mentoring experience within engineering teams Security Clearance: This role requires SC clearance. You must be a British, Irish, EEA, or Commonwealth citizen and have lived in the UK continuously for at least 5 years to be eligible. A minimum of BPSS clearance will be required to start. How to Apply: If you're a senior-level Python engineer with strong AWS skills and eligible for SC clearance, we'd love to hear from you. Apply now or reach out directly for more information.