Backend Developer Python Fastapi jobs in Falls Church

Company Overview 10Pearls is an award-winning end-to-end digital innovation company that helps businesses imagine and build the future. We are proud to announce that 10Pearls was named the winner of the Best Tech Work Culture Timmy Award in Washington, D.C. by Tech in Motion, recognized on the Inc.

Overview BigBear.ai is seeking a Backend Developer (Senior) to join our team to begin an exciting and challenging career in Ashburn, VA. What you will do Working closely with the tech lead and senior developers, the Mid-Level Java Developer will participate in the system architecture design, systems

Company Overview 10Pearls is an award-winning end-to-end digital innovation company that helps businesses imagine and build the future. We are proud to announce that 10Pearls was named the winner of the Best Tech Work Culture Timmy Award in Washington, D.C. by Tech in Motion, recognized on the Inc.

DRC Systems

A financial technology firm in McLean is seeking a Software Developer proficient in Python and with experience in banking and finance applications. The ideal candidate will have at least 2+ years in OOP design and coding, alongside strong familiarity with libraries such as Pandas and Numpy. Responsi

Back-End Developer Location: Columbia, MD Clearance Required: TS/SCI with Polygraph Salary Range: $110,000 - $260,000 This role centers on building the backbone of mission software: the logic, services, and pipelines that make systems work reliably and securely. You might help modernize existing too

Fusion Innovation

Job Description FusionInnovation's recent growth has earned us a top spot in the Inc 5000 FastestGrowing Private Companies in America and in Washington Business Journal's BestPlaces to Work multiple years in a row. Our team members are passionate abouttheir work and are empowered to contribute their

Overview Maximus is a trusted federal partner supporting missioncritical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for highimpact government missions. Joining

A technology solutions provider is seeking a talented Back-End Software Developer to join their team in Virginia. You will design, develop, and maintain high-quality software applications, ensuring scalability and performance while adhering to best practices. The role requires an active TS/SCI secur

Jobs Bridge Inc is among the fastest growing IT staffing / professional services organization with its own job portal. Jobs Bridge works extremely closely with a large number of IT organizations in the most in-demand technology skill sets. Job Description OPT and EAD can apply Key Responsibilities D

Full-Stack Software Developer (Back-end focused) – Columbia, MD This role will be on a fast-moving software engineering team supporting a microservice ecosystem with several UIs. Project management is done using feature driven development. The team is highly collaborative, and engineers are encourag

ClearanceJobs

Sr. Backend Developer Seeking an experienced AWS Linux system administrator for a web hosting team that supports over 150 websites. The ideal candidate is an experienced LAMP-stack administrator. Administrator should have substantive AWS and Linux administration experience for this role. MUST HAVE S

Overview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will wo

Overview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will wo

Job Description SysAdmin/Back End Developer Required Skills Required: 3+ years of experience with systems administration. Bachelor's degree in Systems Administration, Computer Information Systems, or Computer Science, or 5+ years total of experience with systems administration in lieu of a degree. E

MAXIMUS

Back End Developer Mid-level Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS196, T4, Band 7 Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genet

MAXIMUS

General information Date Thursday, February 19, 2026 City Fort Meade State MD Country United States Working time Full-time Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contr

## **Overview** Black Canyon Consulting **(BCC)** is searching for a **Senior Network Engineer** to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. This opportunity is full tim

Job Description SysAdmin/Back End Developer , Required Skills *Required:** 3+ years of experience with systems administration. Bachelor's degree in Systems Administration, Computer Information Systems, or Computer Science, or 5+ years total of experience with systems administration in lieu of a degr

MAXIMUS

General information Date Wednesday, February 18, 2026 City Fort Meade State MD Country United States Working time Full-time Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent cont

About the job Java Back End Developer with AWS Glue Job Overview: We are seeking a highly skilled Back End Java Engineer with hands-on experience in ETL development, Spark processing, and AWS-based data workflows . The ideal candidate will be responsible for designing, developing, and optimizing bac