Backend Software Developer jobs in Gaithersburg

As a Software Developer, you'll support secure, mission-critical platforms in a federal environment. This role works as part of a small, agile design and development team, collaborating closely with developers, data scientists, and government stakeholders to deliver reliable, scalable, and secure ap

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovati

What Impact You’ll Have GRVTY’s team provides tactical data engineering solutions. We embed skilled Data Engineers, Data Scientists, and ETL Developers directly into intelligence analyst groups to be their go-to data wranglers. We develop new tools, code, and services to execute data engineering act

About us Creative Information Technology Inc (CITI) is an esteemed IT enterprise renowned for its exceptional customer service and innovation. We serve both government and commercial sectors, offering a range of solutions such as Healthcare IT, Human Services, Identity Credentialing, Cloud Computing

Job Number: R0237796 Android CNO Software Developer The Opportunity: Own the development and maintenance of Android CNO solutions enabling strategic cyber operations. Support our research team by receiving emerging research and proof-of-concept artifacts and productize them into reliable and deploya

Cardinal Technology Systems

Responsibilities Cardinal Technology Systems Corp. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States. We are currently seeking a Senior Software/Application Developer to work for our company. Summary Eligibility to obtain a U.S

Overview Are you ready to launch your career in software engineering and contribute to cutting-edge advancements in space domain awareness and geolocation? BigBear.ai is seeking a Software Engineer to join our team and help design, develop, and enhance complex systems that operate in real-time envir

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, nation

Black Canyon Consulting (BCC) is searching for a Software Developer to support at the National Institutes of Health (NIH). This opportunity is full time in Bethesda, MD and/or remote work. As a Software Developer, you will contribute to development efforts that support the goals and initiatives of t

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Docker (Software), GraphQL (Query Language), R

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer - REMOTE. As a key member of the Sales Mode team, you will play a vital role in shaping the systems that drive the transition to clean energy. This role offers the opportunity

Senior App Developer (Backend) you can email your resume to Email: resumes@sillcdc.com SILLCDC is looking to fill an opening for a Senior App Developer (Backend) for a project in downtown Washington DC. (Metro accessible). This is our DIRECT CLIENT. If you are interested, please send me your resume

Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Summer 2026 Software Developer Internship Praxis Engineering, a GDIT company, provides cutting-edge techn

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

Description Exciting Opportunity Awaits! Step into a role that’s far from ordinary and take part in transforming the future of naval simulation, training, and analysis at Leidos' High Fidelity Simulation Business Area. We’re not just building software—we’re setting the standard for the U.S. Navy’s o

GRVTY

What You'll be Owning GRVTY is seeking a Software Developer - User Support with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Sterling, VA. What You Must Have Active TS/SCI with Polygraph Clearance 5 years' experience writing and maintaining systems docum

Overview Are you ready to work on cutting-edge advancements in space domain awareness and geolocation? BigBear.ai is seeking a Senior Software Engineer to join our team and contribute to the development, maintenance, and enhancement of complex software systems that operate in real-time environments

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Secure Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data analytics, artifici

ARA

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an