Senior Application Develper​/Engineer​/Programmer

Senior Application Developer / Engineer / Programmer

Diverse Agile Solutions, LLC (DAS) is seeking an experienced Senior Application Developer / Engineer / Programmer to support a federal technology initiative focused on developing modern, cloud-native applications and services.

This is a hands-on senior engineering position for someone who enjoys solving complex technical problems, building scalable AWS solutions, developing Python-based applications, and working in an Agile environment.

U.S. Citizenship is required.

The Senior Application Developer / Engineer / Programmer will design, develop, test, and maintain cloud-native applications and microservices using Python and Amazon Web Services (AWS).

The ideal candidate has strong experience developing production-grade Python applications, building serverless and containerized solutions, implementing infrastructure as code, and designing RESTful APIs.

You will work closely with technical teams and business stakeholders to translate requirements into reliable, scalable, and maintainable technology solutions.

• Develop and maintain production-grade Python-based microservices.
• Design and implement AWS infrastructure using AWS Cloud Development Kit (CDK).
• Develop and maintain AWS Lambda applications and serverless solutions.
• Model complex business processes and workflows using AWS Step Functions.
• Build containerized applications and services using Docker.
• Design, develop, and maintain RESTful APIs.
• Implement API versioning, error handling, security, and performance best practices.
• Work with AWS services including DynamoDB, S3, API Gateway, Cloud Watch, and Cloud Trail.
• Develop infrastructure-as-code solutions supporting multiple environments.
• Implement comprehensive application logging, monitoring, and audit capabilities.

• Conduct code reviews focused on maintainability, scalability, performance, security, and coding standards.
• Develop comprehensive unit and integration tests.
• Identify, troubleshoot, and remediate software defects and technical issues.
• Improve application performance, reliability, and maintainability.
• Participate in architecture and technical design decisions.
• Maintain accurate technical documentation and system specifications.
• Apply software development best practices throughout the SDLC.

• Work as part of an Agile development team.
• Collaborate with product owners, business analysts, architects, engineers, and other stakeholders.
• Translate business and functional requirements into effective technical solutions.
• Participate in sprint planning, backlog refinement, reviews, retrospectives, and other Agile ceremonies.
• Communicate technical concepts effectively to both technical and non-technical stakeholders.

DAS values the responsible use of modern AI-assisted development tools. Experience with tools such as Claude Code or similar AI coding assistants is a plus.

Candidates with AI-assisted development experience may use these tools to:

• Assist with code reviews and optimization.
• Generate and improve technical documentation.
• Debug and troubleshoot application issues.
• Develop and expand automated test cases.
• Accelerate development while maintaining engineering quality.

Candidates should be able to critically evaluate AI-generated code, identify potential issues, and make appropriate technical modifications rather than relying on AI-generated output without review.

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience.
• 7+ years of professional software development experience.
• Demonstrated experience working throughout the Software Development Life Cycle (SDLC).
• Experience working in Agile software development environments.

Python

• Strong production experience developing applications using Python.
• Experience with modern Python frameworks and testing libraries.
• Ability to write clean, maintainable, scalable, and well-tested code.

AWS / Cloud Development

• Hands-on experience with AWS application development.
• Experience developing AWS Lambda applications.
• Experience designing workflows with AWS Step Functions.
• Experience with AWS CDK for infrastructure as code.
• Experience deploying applications across multiple environments.

CI/CD

• Hands-on experience creating and managing CI/CD pipelines.
• Experience automating application builds, testing, and deployments.

API Development

• Strong understanding of RESTful API design.
• Experience with API versioning, error handling, integration, and performance considerations.

Version Control

• Strong experience with Git.
• Understanding of branching strategies and collaborative Git workflows.
• Experience conducting and participating in merge/pull request reviews.

Candidates should have significant hands-on experience with:

• Python 3.9+
• AWS Lambda
• AWS Step…