Information Technology & Services
Backend Developer 810
Annapolis Junction, MDOnsiteFull TimePosted 1 day agoVisa sponsorship available
Required skills
- TS/SCI Clearance
- Active CI Polygraph
- Python
- backend services
- REST APIs
- PostgreSQL
- relational data modeling
- SQL
- schema migrations
- indexing
Nice to have
- OpenShift
- CI/CD pipelines
- automating application deployments
- application security
- accessibility
- performance
Role summary
Freedom Technology Solutions Group is seeking a Senior Backend Developer in Washington D.C, Annapolis Junction, or Reston, VA. This role supports mission-driven applications for an IC Customer, focusing on designing, developing, and maintaining backend functionality using Python, Docker, Kubernetes, OpenSearch, and PostgreSQL. Responsibilities include developing REST APIs, managing PostgreSQL databases, containerizing applications with Docker, deploying to OpenShift, and resolving production issues. The ideal candidate will have 9 years of experience in Software or Systems Engineering, a strong understanding of Python and API design, proficiency with PostgreSQL and Docker, and experience with CI/CD and Agile environments. A TS/SCI Clearance with Active CI Polygraph is required. The company offers a flexible work environment, competitive compensation, and benefits.
Freedom Technology Solutions Group is looking to add a Backend Developer based in Washington D.C, Annapolis Junction, or Reston, VA. As a Senior Backend Developer you will be supporting an IC Customer working on mission driven applications. Candidates in this role will: Design, develop, and maintain backend functionality within applications using Python, Docker, Kubernetes, Opensearch and PostgreSQL.
Develop and maintain backend services and REST APIs, including request validation, error handling, and authentication and authorization integration.
Use Pydantic for data validation and SQLAlchemy for database access and object-relational mapping in Python services.
Design and maintain PostgreSQL schemas, queries, indexes, and database migrations, with attention to performance and data integrity.
Build and maintain Docker images and deploy, configure, and troubleshoot applications in OpenShift.
Investigate and resolve production issues across the user interface, backend services, database, and application deployment.
Work with customers, product owners, and other stakeholders to clarify requirements, identify dependencies, and estimate implementation effort.
Participate in technical design and code reviews, write automated tests, and maintain technical documentation.
Mentor developers and collaborate with operations and security teams to support reliable application delivery.
Deep expertise of Python and API design
Familiarity with Software development within the Department of War.
Familiarity with Linux environments and Kubernetes concepts.
Experience configuring CI/CD pipelines and automating application deployments.
Experience improving application security, accessibility, performance, and reliability.
Experience working in an Agile development environment and coordinating with product, operations, and security teams. Qualifications: 9 Years of experience in Software or Systems Engineering roles or a highly related field of work with similar scope and responsibilities.
A Bachelor’s degree may be substituted for 4 years of experience and a Master’s Degree may be substituted for 6 years of experience.
TS/SCI Clearance with Active CI Polygraph
Strong experience developing backend services and REST APIs
Experience developing and maintaining backend applications and services using Python.
Proficiency with PostgreSQL, including relational data modeling, SQL, schema migrations, indexing, and query optimization.
Understanding of OpenSeach data structures, indexing and querying.
Hands-on experience with Docker, including writing Dockerfiles, building images, and troubleshooting containers.
Strong communication skills and the ability to translate business and customer needs into clear technical requirements What’s in It for You?
Flexible work environment
A team mentality – work with friendly, like-minded professionals
Work with innovative, cutting edge technologies
Enjoy extremely competitive compensation and benefits
A work-life balance you can count on
Opportunities to grow and advance your career on our dime The Benefits You Get with Freedom
Amazing benefits including matching 401k, fully paid medical, and more
Generous paid time off – including paid site closure days
Competitive salary offerings
Paid training and tuition reimbursement
Referral bonuses
Fully paid life and disability
Annual logo wear allowance
Company sponsored events (game nights, holiday party, summer party, happy hours)
Interested in learning more about Freedom and our culture? Contact us today! We’re constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team. As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status
Applicant Federal & E-Verify Postings
VEVRAA Federal Contractor Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at
Phone: 410-290-9035
Email: recruiting@goftsg.com Equal Opportunity Employer, including disabled and veterans. If you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese If you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese If you want to view the Pay Transparency Policy Statement, please click the link: English
