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Mid-Level Backend Developer (Python/FastAPI)

Crimson Phoenix

Springfield · On-site Full-time 2w ago

About the role

What You Will Be Doing:

  • Designing, building, and maintaining robust backend services and APIs that power data-driven applications.
  • Close collaboration with Data and Operations teams to deliver scalable, reliable solutions in a containerized, Kubernetes-based environment.
  • Developing and maintaining RESTful APIs and backend services using Python and FastAPI.
  • Designing and optimizing database schemas and queries for PostgreSQL.
  • Implementing and tuning search functionality with Elasticsearch.
  • Building, deploying, and managing applications using Kubernetes and OpenShift.
  • Managing infrastructure-as-code and CI/CD pipelines with Helm, ArgoCD, and GitOps practices.
  • Collaborating with Data and Ops teams to integrate backend services with data pipelines and operational tools.
  • Troubleshooting, debugging, and optimizing application performance.
  • Writing clean, maintainable, and well-tested code.
  • Participating in code reviews and contributing to architectural decisions.

Required Skills

Must Have:

  • MUST HAVE a Current and Active Top Secret SCI with Polygraph, as the customer is NOT sponsoring clearances.
  • 3–6 years of professional software development experience.
  • Strong proficiency in Python and FastAPI (or similar async Python web frameworks).
  • Solid experience with PostgreSQL and Elasticsearch.
  • Hands-on experience deploying and managing applications in Kubernetes / OpenShift.
  • Working knowledge of Helm and ArgoCD (or similar GitOps tools).
  • Understanding of RESTful API design, authentication, and security best practices.
  • Experience working in hybrid or on-prem cloud environments.
  • Strong problem-solving skills and attention to detail.

Desired Skills

Nice to Have:

  • Self-starter who can take ownership of tasks and drive them to completion.
  • Excellent verbal and written communication skills.
  • Experience working closely with Data Engineering and Operations teams.
  • Familiarity with observability, logging, and monitoring tools.
  • Comfortable working in a collaborative, agile environment.

Additional Details

Crimson Phoenix considers people our most important asset. Our goal is to attract, retain, and motivate exceptional individuals from every background who share our commitment to the customer, our passion for the mission, our delight for innovation, and our determination to achieve excellence in everything we do.

We offer phenomenal benefits to our employees, allowing them to focus on the mission, knowing that Crimson Phoenix is focused on them! Just some of the benefits we offer:

  • Dollar for dollar 6% 401k match, with immediate vestment
  • Paid Time Off (PTO)
  • Multiple Medical Plans from which you can choose.
  • Flexible Spending Account (FSA) option
  • Vision / Dental
  • Paid for Short-term / Long-term Disability
  • Paid for Group Life Insurance
  • Employee recognition for anniversaries, birthdays, and customer kudos!

Click APPLY to be contacted about this position and find out more details.

We are a small, growth-oriented, federal contractor that delivers professional services in support of the Intelligence & Federal Community. Located outside of Washington D.C., we are a fast-paced group due to the customers’ diversity, types of projects, environments, and roles we support. To learn more, please visit https://crimsonphoenix.com/

Crimson Phoenix is an Equal Opportunity and Affirmative Action Employer. We welcome and encourage diversity in our workforce.

It is the policy of Crimson Phoenix to provide equal employment opportunity to all employees and qualified applicants without regard to race, color, religion, national origin, sex, age, disability, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected characteristic under federal, state or local law.

About Crimson Phoenix

Crimson Phoenix provides state of the art Information Technology & Intelligence solutions for the Federal Civilian Sector, Department of Defense, and Intelligence Community. We specialize in Web Development, Graphic Design, Software Engineering, System Engineering, Training, Intelligence Analysis, Data Science, and Instructional Systems Design.

Skills

ArgoCDAWS LambdaDockerElasticsearchFastAPIGitOpsHelmKubernetesOpenShiftPostgreSQLPythonRESTful API

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