Python Engineer

Location: UK Remote (rare ad-hoc travel)

Type: Contract, Inside IR35

Duration: 12 months

Start Date: ASAP

Clearance: Active SC required. Clearance must have been issued within the last 7 years. Eligible or lapsed cannot be considered

Interview Process: 1 stage technical interview

About the Role

You will join a data and analytics unit within a UK public sector organisation, working on a live AWS serverless data platform. The focus is on delivering new features and keeping the platform stable, with plenty of ownership over production support and code quality.

Key Responsibilities

• Deliver new features and enhancements from analysis through implementation and support
• Investigate, diagnose and resolve production issues across the platform and its integrations
• Analyse existing code and implement maintainable, proportionate and low-risk changes
• Build and support event-driven and serverless services on AWS
• Deliver secure, scalable data sharing capabilities using AWS Batch and API Gateway
• Expand and maintain automated test coverage using pytest, moto or similar tooling
• Contribute to technical designs and agree pragmatic implementation approaches
• Create and maintain technical documentation, operational procedures and support guidance

Must Have

• Python development experience building and maintaining production services with boto3 and AWS SDKs
• Hands-on and demonstrable use of AWS Lambda, EC2, S3, SQS, DynamoDB and CloudWatch
• Experience with event-driven and serverless architectures
• AWS Batch and API Gateway experience
• Automated testing with pytest, moto or related tooling
• Track record of troubleshooting production issues spanning multiple services and workflow stages
• Ability to maintain clear technical and operational documentation

Nice to Have

• Recent history of working with large-scale ETL pipeline platforms, including infrastructure, integrations and data flows
• Experience supporting the application and infrastructure sides of a live service
• Improving platform performance, maintainability and operational stability
• GitHub Copilot and agentic workflows