Senior AWS/Python Developer (Onsite, DC)

System One; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

System One in Washington, DC is seeking a Senior Application Developer (AWS/Python) for a 100% onsite role. U.S. citizenship is required and the candidate must be able to obtain Public Trust clearance.

You will develop Python-based microservices, use AWS CDK for infrastructure, design RESTful APIs, and manage CI/CD pipelines. The position emphasizes code quality, tests, logging, and collaboration with stakeholders to translate business needs into scalable technical solutions.

Qualifications

• BS in Computer Science/IT or equivalent work experience.
• 7+ years software development experience with SDLC and Agile methodologies.
• Production-grade Python development with modern frameworks and testing.

Responsibilities

• 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)
• Conduct code reviews focusing on maintainability and performance
• Write unit tests and integration tests; perform code remediation
• Collaborate with stakeholders to translate business requirements into technical solutions

Skills

Python

AWS CDK

CI/CD

API Design

Git workflows

Education

BS in Computer Science/IT

Tools

Terraform

Docker

GitLab

Job description

System One in Washington, DC is seeking a Senior Application Developer (AWS/Python) for a 100% onsite role. U.S. citizenship is required and the candidate must be able to obtain Public Trust clearance.

You will develop Python-based microservices, use AWS CDK for infrastructure, design RESTful APIs, and manage CI/CD pipelines. The position emphasizes code quality, tests, logging, and collaboration with stakeholders to translate business needs into scalable technical solutions.