Senior Python Engineer / Cloud-Native Software Developer

AWS | Terraform | Serverless | CI/CD | SC / DV Cleared

We are supporting a secure government programme looking to hire an experienced Senior Python Engineer / Cloud-Native Software Developer to join a highly technical software engineering team operating within a modern AWS environment.

This is not a traditional Python developer role focused purely on coding.

The successful candidate will need to combine strong Python software engineering capability with genuine hands-on experience working within cloud-native AWS environments — including deployment, integration, automation and CI/CD ownership.

The team operates within a serverless, event-driven architecture and requires engineers who are comfortable building solutions end-to-end, from software development through to cloud deployment and operational integration.

Role Overview

The engineering team is building and supporting modern cloud-native applications within a highly agile environment. The successful candidate will work closely with software engineers, DevOps/platform engineers, delivery teams and technical leadership to design, build and deploy scalable AWS-based solutions.

The role requires someone who is equally comfortable:

• writing high-quality Python code,
• building APIs and backend services,
• integrating with AWS cloud components,
• and deploying solutions through modern CI/CD pipelines.

This role would suit someone who has worked within modern software engineering teams rather than siloed development environments where deployment and cloud ownership sits elsewhere.

Key Responsibilities

• Develop scalable backend applications and services using Python
• Build and maintain cloud-native applications within AWS environments
• Deploy and integrate solutions using Terraform and CI/CD pipelines
• Work across serverless and event-driven architectures
• Integrate software with AWS services including Lambda, API Gateway, SQS/SNS and EventBridge
• Support automated deployments and release processes
• Contribute towards software engineering best practices, testing and operational resilience
• Work closely with wider engineering and delivery teams in agile sprint environments
• Troubleshoot and optimise cloud-native applications and deployments

Core Technical Skills

• Strong Python software engineering experience
• AWS cloud experience
• Terraform / Infrastructure as Code
• CI/CD pipeline engineering
• Serverless architecture
• Event-driven systems
• API development
• Integration testing and automated deployment
• Experience working within modern software engineering teams
• Strong understanding of cloud-native application delivery

Highly Desirable

• AWS certifications (Developer / DevOps / Solutions Architect)
• AWS Lambda
• API Gateway
• SQS / SNS
• EventBridge
• Docker / Kubernetes
• GitHub Actions / GitLab CI / Jenkins
• FastAPI / Flask
• DevOps or platform engineering exposure
• AI / LLM integration exposure
• Secure government or regulated environment experience
• Active SC, enhanced SC or DV clearance

Environment

The wider programme is heavily focused around:

• cloud-native software engineering,
• AWS serverless architecture,
• CI/CD and automation,
• modern engineering delivery,
• AI-enabled capability,
• and agile software development practices.

The team operates in a highly collaborative engineering environment and requires individuals who can contribute independently without heavy hand-holding around cloud integration and deployment activities.

Location / Working Pattern

• Hybrid working
• London-based team
• Majority remote with onsite collaboration for sprint ceremonies/workshops

Clearance

Active SC, enhanced SC or DV clearance is highly desirable.

Candidates with previous secure government experience and eligibility for clearance may also be considered.

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