Python Developer
Contract Python Developer (£450-£650/day outside IR35) building secure, cloud-native logging, observability and security-event tooling in a highly regulated environment. Core stack: Python, Django, AWS (CloudWatch, S3, IAM), Terraform and Git/CI-CD; 1-2 days a week on-site in London and active SC clearance required.
- Compensation
- £450–£650 / day
- Location
- London, United Kingdom
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- Not specified
- Category
- Software engineering
- Posted
Skills
Must have
- Active SC Clearance
- Strong commercial experience with Python and Django
- Knowledge of Python logging and structured logging frameworks
- Understanding of security logging concepts (audit, access, application events, SOC monitoring)
- Experience with AWS including CloudWatch, S3 and IAM
- Infrastructure as Code using Terraform
- Experience building, testing and maintaining shared software libraries
- Strong understanding of Git, pull requests and CI/CD practices
- Excellent written and verbal communication skills
- Ability to communicate effectively with developers, SRE and security teams
- Comfortable receiving feedback and iterating on solutions
- Proactive approach to identifying risks and escalating blockers early
- Strong collaborative mindset across multiple teams
Nice to have
- Deep understanding of Django internals (signals, middleware, authentication hooks)
- Experience with Logstash configuration, filtering and parsing
- Knowledge of centralised logging architectures and AWS cross-account log aggregation
- Experience integrating log pipelines with SIEM platforms
- Microsoft Sentinel, ASIM schemas and KQL
- AWS service logging (RDS PostgreSQL, OpenSearch, Redis/Valkey, GuardDuty, WAF, CloudTrail)
- NGINX and containerised logging solutions
- Identity and access management concepts including OIDC and SAML
- JSON Schema development and validation
- Technical writing and creation of integration documentation
- Threat modelling and security-focused development practices
Full description
**Python Developer
1-2 days a week on-site in London
£450-£650 outside IR35
Requires Active SC Clearance**
The Role
We are seeking an experienced Python Developer to join a growing engineering team delivering secure, cloud-native solutions within a highly regulated environment. You will be responsible for designing, developing and maintaining Python-based applications and shared libraries, with a strong focus on logging, observability, security, and AWS cloud services.
Working closely with developers, Site Reliability Engineers (SREs), and Security Operations Centre (SOC) teams, you will help define and implement logging standards, improve monitoring capabilities, and ensure security events are captured and delivered effectively across enterprise platforms.
Key Responsibilities
- Design, develop and maintain applications using Python and Django.
- Build and support shared Python libraries, ensuring appropriate versioning, testing and documentation.
- Implement structured logging and observability best practices across multiple services.
- Develop secure logging solutions that support operational monitoring, auditing and security investigations.
- Work with AWS services including CloudWatch, S3 and IAM.
- Develop and maintain infrastructure using Terraform.
- Contribute to CI/CD pipelines and collaborative development through Git and pull request workflows.
- Review and contribute to code within other teams' repositories.
- Work closely with engineering, security and operational teams to identify and resolve technical challenges.
- Produce technical documentation, integration guidance and implementation standards where required.
Essential Skills & Experience
Technical Skills
- Strong commercial experience with Python and Django.
- Knowledge of Python logging and structured logging frameworks.
- Understanding of security logging concepts, including:
- Audit events
- Access events
- Application events
- SOC monitoring requirements
- Experience with AWS, including:
- CloudWatch
- S3
- IAM
- Infrastructure as Code using Terraform.
- Experience building, testing and maintaining shared software libraries.
- Strong understanding of Git, pull requests and CI/CD practices.
Soft Skills
- Excellent written and verbal communication skills.
- Ability to communicate effectively with developers, SRE and security teams.