Backend Developer 810

Freedom Technology Solutions GroupAnnapolis Junction, MD

Posted 6 Nov 2026

Skills in this posting

  • python
  • postgresql
  • opensearch
  • sql
  • docker
  • kubernetes
  • ci/cd
  • linux
  • agile
  • accessibility

About the role

<div class="ewa-rteLine">Freedom Technology Solutions Group is looking to add a <strong>Backend Developer </strong>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.</div>

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<div class="ewa-rteLine">Candidates in this role will:

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<li>Design, develop, and maintain backend functionality within applications using Python, Docker, Kubernetes, Opensearch and PostgreSQL.</li>

<li>Develop and maintain backend services and REST APIs, including request validation, error handling, and authentication and authorization integration.</li>

<li>Use Pydantic for data validation and SQLAlchemy for database access and object-relational mapping in Python services.</li>

<li>Design and maintain PostgreSQL schemas, queries, indexes, and database migrations, with attention to performance and data integrity.</li>

<li>Build and maintain Docker images and deploy, configure, and troubleshoot applications in OpenShift.</li>

<li>Investigate and resolve production issues across the user interface, backend services, database, and application deployment.</li>

<li>Work with customers, product owners, and other stakeholders to clarify requirements, identify dependencies, and estimate implementation effort.</li>

<li>Participate in technical design and code reviews, write automated tests, and maintain technical documentation.</li>

<li>Mentor developers and collaborate with operations and security teams to support reliable application delivery.</li>

<li>Deep expertise of Python and API design</li>

<li>Familiarity with Software development within the Department of War.</li>

<li>Familiarity with Linux environments and Kubernetes concepts.</li>

<li>Experience configuring CI/CD pipelines and automating application deployments.</li>

<li>Experience improving application security, accessibility, performance, and reliability.</li>

<li>Experience working in an Agile development environment and coordinating with product, operations, and security teams.</li>

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<div class="ewa-rteLine">Qualifications:</div>

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<li>9 Years of experience in Software or Systems Engineering roles or a highly related field of work with similar scope and responsibilities.</li>

<li>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.</li>

<li>TS/SCI Clearance with Active CI Polygraph</li>

<li>Strong experience developing backend services and REST APIs</li>

<li>Experience developing and maintaining backend applications and services using Python.</li>

<li>Proficiency with PostgreSQL, including relational data modeling, SQL, schema migrations, indexing, and query optimization.</li>

<li>Understanding of OpenSeach data structures, indexing and querying.</li>

<li>Hands-on experience with Docker, including writing Dockerfiles, building images, and troubleshooting containers.</li>

<li>Strong communication skills and the ability to translate business and customer needs into clear technical requirements</li>

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<div><strong>What’s in It for You?</strong></div>

<div>Flexible work environment</div>

<div>A team mentality – work with friendly, like-minded professionals</div>

<div>Work with innovative, cutting edge technologies</div>

<div>Enjoy extremely competitive compensation and benefits</div>

<div>A work-life balance you can count on</div>

<div>Opportunities to grow and advance your career on our dime</div>

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<div><strong>The Benefits You Get with Freedom</strong></div>

<div>Amazing benefits including matching 401k, fully paid medical, and more</div>

<div>Generous paid time off – including paid site closure days</div>

<div>Competitive salary offerings</div>

<div>Paid training and tuition reimbursement</div>

<div>Referral bonuses</div>

<div>Fully paid life and disability</div>

<div>Annual logo wear allowance</div>

<div>Company sponsored events (game nights, holiday party, summer party, happy hours)</div>

<div>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.</div>

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<div>As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status</div>

<div><a class="postings-link" href="https://mandatoryview.com/?LicenceId=68AE0E8B-8F89-4338-AECF-06FBE1679FD2&ProductType=OnlineApplicant">Applicant Federal & E-Verify Postings</a></div>

<div>VEVRAA Federal Contractor</div>

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<div><strong>Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at</strong></div>

<div><strong>Phone: 410-290-9035 </strong></div>

<div><strong>Email: recruiting@goftsg.com</strong></div>

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<div><strong>Equal Opportunity Employer, including disabled and veterans.</strong></div>

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<div><strong>If you want to view the EEO Law poster, please choose your language: </strong><a class="postings-link" href="https://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf">English</a> - <a class="postings-link" href="https://www.eeoc.gov/employers/upload/eeoc_self_print_poster_spanish.pdf">Spanish</a> - <a class="postings-link" href="https://www.eeoc.gov/employers/upload/eeoc_self_print_poster_arabic.pdf">Arabic</a> - <a class="postings-link" href="https://www.eeoc.gov/employers/upload/eeoc_self_print_poster_chinese.pdf">Chinese</a></div>

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<div><strong>If you want to view the EEO Law Supplement poster, please choose your language: </strong><a class="postings-link" href="https://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf">English</a> - <a class="postings-link" href="https://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_SP_JRFQA508c.pdf">Spanish</a> - <a class="postings-link" href="https://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_CH_JRFQA508c.pdf">Chinese</a></div>

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<div><strong>If you want to view the Pay Transparency Policy Statement, please click the link: </strong><a class="postings-link" href="https://www.dol.gov/ofccp/pdf/pay-transp_formattedESQA508c.pdf">English</a></div>

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From Freedom Technology Solutions Group's careers page on Greenhouse. See the original posting. OneProfile isn't the employer and doesn't take applications; you apply on their site.

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