Got the Government Contractor Blues? Looking for a company that cares and goes beyond just filling another contract billet? Well, look no further! Experience this family-oriented company that takes pride in you and will help you grow where your passions lie. Holding many Defense & Federal government contracts around the globe, with Systems Plus, you have the opportunity to take on new and evolving challenges, aim beyond what you think you are capable of, and work in collaborative, dynamic, and high-tempo environments.

Our employees are our most valued asset, and we invest in our people because we are in it for the long term. We are committed to your success and well-being and offer competitive benefits packages, salaries, bonus/award programs, and a high potential for professional growth and job opportunities worldwide.

Systems Plus is the company for you! Experience the difference, and let’s talk about your future at Systems Plus today.

Position Title

Full Stack Software Developer

Position Type

Full-time, Hybrid

Position Location

Washington, D.C.

Tracking Code

01165

Daily Responsibilities

Application Development and Feature Delivery 

  • Design, develop, test, and deploy new features and enhancements across front-end (ReactJS) and back-end (Python/FastAPI) layers of Agency applications. 
  • Build and maintain RESTful APIs using FastAPI, ensuring proper validation, error handling, versioning, and documentation (e.g., OpenAPI/Swagger). 
  • Develop responsive, accessible front-end interfaces using ReactJS, adhering to Agency UX standards and Section 508 accessibility requirements.  
  • Implement and manage data models, queries, migrations, and stored procedures within PostgreSQL databases, with attention to performance and data integrity.

Trunk-Based Development and Collaboration 

  • Operate within Agency trunk-based development workflow, committing small, incremental changes frequently to the main branch to reduce integration risk and maintain codebase. 
  • Participate in code reviews, providing/receiving feedback to maintain code quality/consistency. 
  • Collaborate with Agency engineers, product owners, and analysts to understand requirements, refine user stories, and deliver working software iteratively. 
  • Adhere to Agency’s branching, commit, and merge standards, including the use of short-lived feature branches and feature flags where applicable.

Containerization and Cloud Deployment 

  • Package applications/services using Docker, maintaining clean/reproducible container images. 
  • Support deployment of containerized workloads to AWS environments (e.g., ECS, EKS, or equivalent managed services), working within existing cloud infrastructure patterns. 
  • Demonstrate working knowledge of AWS services relevant to application hosting and operation, including but not limited to EC2, S3, RDS, CloudWatch, IAM, and VPC networking concepts. 
  • Collaborate with Agency infrastructure staff on environment configuration, secrets management, and cloud resource usage.

Maintenance, Bug Fixes, and Technical Debt Reduction 

  • Investigate, diagnose, and resolve application defects, performance issues, and security vulnerabilities across all layers of the stack. 
  • Proactively identify and address technical debt, refactoring code to improve maintainability, readability, and test coverage. 
  • Monitor application behavior and logs (e.g., via AWS CloudWatch or equivalent) and respond to operational issues as needed.

Testing and Quality Assurance 

  • Write and maintain automated unit, integration, and regression tests for both back-end (pytest or equivalent) and front-end (Jest, React Testing Library, or equivalent) code. 
  • Ensure new features and bug fixes have appropriate test coverage prior to merge. 
  • Participate in functional and user acceptance testing in coordination with Agency stakeholders.

Documentation 

  • Maintain technical documentation for all developed systems, including API documentation, data model diagrams, architecture decision records, and developer setup guides. 
  • Document operational procedures, environment configurations, and known issues in Agency’s designated knowledge management platform.

Years of Experience

Five years of relevant experience.

Degree and Certifications:

Bachelor’s degree in Computer Science, Engineering, Information Systems, Information Technology, or a related field; OR equivalent experience.

Requirements:
  • Demonstrated proficiency in: Python, FastAPI, ReactJS, PostgreSQL, and Docker.
  • Possess sufficient familiarity with AWS cloud services to deploy, monitor, and troubleshoot applications in cloud-hosted environments.
  • Knowledge of CI/CD pipeline concepts and IaC tooling (e.g., Terraform, GitHub Actions) is desired; expected to write code that integrates cleanly into existing automated pipelines.

Required: Clearance

Public Trust Tier 2 clearance level and background check.

About Systems Plus

Systems Plus is headquartered in Rockville, MD with over 2 decades of experience providing Global Enterprise Management, Technology, Engineering and Professional services and solutions across Defense and Federal Civilian government sectors.

From Discovery to Delivery, Systems Plus brings a greater measure of confidence, commitment and value to our clients. With various Defense and Federal contracts across the United States, Europe and Pacific/Asia, we are driving innovation and excellence within the Special Operations Forces Components and Commands, Defense Health Agency, United States Air Force, United States Marine Corps, National Institute of Standards and Technology, House of Representatives and more.

Through our diverse portfolio of clients and capabilities we power vision and insight—discover what’s possible with a Small Business that thinks BIG!

Interested individuals should email their resume with salary expectations and with a cover letter to [email protected] .

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