> Markdown version of [/jobs/ext/4484944-application-developer-aws-python-onsite](https://www.wearedevelopers.com/jobs/ext/4484944-application-developer-aws-python-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Developer (AWS/Python) onsite - **Company:** The Joule - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Amazon S3, Audit Trail, Unit Testing, Cloud Computing, Code Generation, Code Review, Continuous Integration, Software Debugging, Amazon DynamoDB, Python (Programming Language), Productivity Software, Systems Development Life Cycle, Service Design, Software Engineering, Test Case, TypeScript, Management of Software Versions, Web Application Frameworks, AWS Cdk, Data Logging, Load Balancing, ReactJS, Delivery Pipeline, Claude Code, AWS Lambda, AI Coding Agents, Gitlab, Git, Containerization, AngularJS, Git Flow, Integration Tests, Information Technology, Front End Software Development, Api Design, Cloudwatch, Api Gateway, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Software Version Control, Docker, Microservices - **Published:** October 12, 2026 - **Apply:** https://www.juju.com/job/16_991dbd5e ## About the Role and testing libraries * AWS CDK: Infrastructure-as-code for multi-environment deployments * CI/CD: Hands-on pipeline creation and management for cloud applications * API Design: RESTful service design, versioning, and error handling * Version Control: Git workflows, branching strategies, merge request reviews Technical Stack: Primary (daily use expected): * Python 3.9+, AWS Lambda, Step Functions * IaC: CDK, Terraform experience * DynamoDB, S3, API Gateway, CloudWatch, CloudTrail * Docker, Git/GitLab Secondary (nice to have): * Frontend: Angular or React (TypeScript) * AWS Services: SNS/SQS, Athena, Glue, Load Balancers Productivity Tools (Plus): * AI-Assisted Development * Experience using AI coding assistants such as Claude Code for: o Code review and optimization suggestions o Documentation generation o Debugging and troubleshooting o Test case development * Ability to critically evaluate and adapt AI-generated code Education & Experience: * BS in Computer Science/IT or equivalent work experience * 7+ years software development experience with SDLC and Agile methodologies ## Description Senior Application Developer (AWS/Python) Washington, DC - 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain Public Trust clearance W2 or C2C Application Deadline: 9/10 Core Responsibilities: Development & Infrastructure: * Develop and maintain Python-based microservices and AWS infrastructure using CDK * Model complex business workflows with AWS Step Functions * Build containerized applications with RESTful APIs * Implement comprehensive logging, monitoring, and audit trails (CloudWatch, CloudTrail) Quality & Collaboration: * Conduct code reviews focused on maintainability, performance, and best practices * Write unit tests and integration tests; perform code remediation * Contribute to architecture decisions and maintain technical documentation * Collaborate with stakeholders to translate business requirements into technical solutions Required Qualifications: Core Technical Skills: * Python: Production-grade development with modern frameworks