Senior Application Developer/Engineer/Programmer

Diverse-Agile-Solutions; Washington (District of Columbia); On-site; USD 124,000 - 179,000; Full time

Job summary

Diverse Agile Solutions seeks a Senior Application Developer to design, develop, test, and maintain cloud-native Python applications and microservices.

You will build serverless and containerized solutions on AWS, implement infrastructure as code, and design RESTful APIs while collaborating with product owners and engineers in an Agile environment.

Qualifications

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

Responsibilities

• Develop and maintain production-grade Python-based microservices.
• Design and implement AWS infrastructure using AWS CDK.
• Develop AWS Lambda applications and serverless solutions.
• Model complex processes using AWS Step Functions.
• Build containerized apps with Docker and design RESTful APIs.
• Implement API versioning, security, and performance best practices.
• Work with AWS services including DynamoDB, S3, API Gateway, CloudWatch, CloudTrail.
• Develop infrastructure-as-code for multi-environment support.
• Implement logging, monitoring, and audit capabilities.

Tools

Python

AWS

Cloud Development

AWS Lambda

AWS CDK

DynamoDB

S3

API Gateway

CloudWatch

CloudTrail

Docker

Git

Terraform

Angular

React

TypeScript

Amazon SNS

Amazon SQS

Amazon Athena

AWS Glue

AWS Load Balancers

Job description

Senior Application Developer / Engineer / Programmer

TO-708 | AWS | Python | Cloud-Native Development

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.

Position Details

Position: Senior Application Developer / Engineer / Programmer
Task Order: TO-708
Employment Type: Contract
Performance Period: Through the end of 2026, with possibility of extension
Work Arrangement: [Insert Remote/Hybrid/On-Site]
Location: [Insert Location]
Citizenship: U.S. Citizenship Required

Position Overview

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.

What You'll Do

Application Development & Cloud Infrastructure

• 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, CloudWatch, and CloudTrail.
• Develop infrastructure-as-code solutions supporting multiple environments.
• Implement comprehensive application logging, monitoring, and audit capabilities.

Quality & Engineering Excellence

• 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.

Agile Collaboration

• 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.

AI-Assisted Development

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.

Required Qualifications

Education & Experience

• 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.

Required Technical Skills

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.

Technical Environment

Primary Technologies

Candidates should have significant hands‑on experience with:

• Python 3.9+
• AWS Lambda
• AWS Step Functions
• AWS CDK
• DynamoDB
• Amazon S3
• Amazon API Gateway
• Amazon CloudWatch
• AWS CloudTrail
• Docker
• Git / GitLab
• CI/CD pipelines

Additional Technologies

Experience with the following is highly desirable:

• Terraform
• Angular
• React
• TypeScript
• Amazon SNS
• Amazon SQS
• Amazon Athena
• AWS Glue
• AWS Load Balancers

What We're Looking For

The strongest candidates will be:

• Hands-on engineers who enjoy building and troubleshooting software.
• Strong problem solvers who can work through complex technical challenges.
• Comfortable working across application development and cloud infrastructure.
• Experienced working in highly collaborative Agile teams.
• Detail-oriented with a strong focus on code quality and maintainability.
• Comfortable reviewing and improving other developers' code.
• Able to communicate effectively with technical and business stakeholders.
• Curious about emerging technologies, including AI-assisted software development.
• Able to balance speed of delivery with security, reliability, scalability, and maintainability.

Why Join Diverse Agile Solutions?

At Diverse Agile Solutions, we combine experienced technology professionals with Agile delivery practices to help organizations modernize their technology environments.

Our teams work across Cloud, DevOps, Cybersecurity, Software Development, Artificial Intelligence, Networking, and IT modernization.

We provide an environment where experienced professionals can work on meaningful technology initiatives while continuing to expand their technical expertise.

Equal Opportunity Employer

Diverse Agile Solutions, LLC is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all qualified applicants and maintaining a workplace built on professionalism, respect, inclusion, and integrity.

U.S. Citizenship is required for this position.