Software Developer Jobs in Maryland, United States

The Software Developer role on the ELEVI team develops new capabilities for front-end data processing of a mission-critical tool and supports modernization of front-end processing services, malware analysis, and metadata storage for knowledge management supporting national security systems. Day-to-day work includes collaborating with engineers to prototype mission tools and analytics, develop new algorithms, and address mission-related problems.

Data Systems Analysts, Inc. (DSA) seeks a Software Developer for its Organizational Messaging Service team, building and maintaining mission‑critical C2 messaging software. The role develops new features, writes test‑driven code, and collaborates in daily stand‑ups and peer reviews.

Peraton's Linthicum, MD team works on cyber investigations, digital forensics, and threat analysis for DoD customers. The Software Developer designs, codes, tests, and debugs .NET and web applications, integrates APIs, and supports CI/CD pipelines in Azure cloud environments.

MAG Aerospace is seeking a Software Developer to support the U.S. Army DEVCOM C5ISR Center programs in Aberdeen Proving Ground, MD. The role involves designing and developing software applications, services, and systems, integrating components, peer-reviewing architecture and code, and troubleshooting security and operational issues in a rapidly changing environment. Due to security requirements, the position is on-site with a minimum of 3 days per week onsite.

Leidos is hiring a Software Developer focusing on System Management for the FAA Terminal Flight Data Manager (TFDM) program, a NextGen surface management solution that modernizes air traffic control operations across the National Airspace System. Day-to-day, you will automate and manage Linux-based infrastructure using Ansible, Python, and container technologies, handle network and VM lifecycle tasks, and support multi-environment deployments for a system being rolled out to 89 airports.

As a Software Sustainment Developer at Booz Allen, you will design, build, and maintain applications while troubleshooting operational issues and upgrading systems to meet security requirements. You will advise clients on modernizing legacy enterprise systems and work with a team to continuously enhance applications using programming and scripting languages.

Build and maintain GPU-accelerated MRI reconstruction software (C++/CUDA, Python/PyTorch), scanner‑to‑cloud integration, AI model training data pipelines, and interventional cardiovascular CT. Develop modules, unit tests, CI/CD, Docker, Azure, and Siemens ICE/IDEA integration. Deliver documentation, code reviews, and biweekly progress reports.

Intelliforce-IT Solutions Group builds the tools behind the teams building the mission. As a Senior Software Developer, you design AI‑assisted IDE and developer tooling, experiment with agentic systems for code reviews, unit test generation, and code quality analysis, and integrate new capabilities into existing platforms and pipelines.

Cloud Software Developer at Tactibit Technologies will lead the transition of legacy applications to AWS cloud, building serverless services and infrastructure as code. Working closely with developers, scientists, and system administrators, the role focuses on CI/CD automation, DevOps practices, and security hardening to meet federal compliance standards.

Software Developer 2 role at T-Rex Solutions supports critical national security infrastructure. Join dynamic team in Fort Meade, MD to modernize malware analysis and enrichment services.

T‑Rex Solutions seeks a CNO Software Developer to work onsite in Fort Meade, MD, supporting the Intelligence Community. The role blends system analysis, code development, and reverse engineering to secure and improve software.

Leidos’ High Fidelity Simulation Business Area designs and delivers system-of-systems solutions for U.S. Navy simulation, training, and analysis. As a Senior Software Developer based at a U.S. Government facility in Bethesda, MD, you will develop advanced sonar tactical decision aids (TDAs) and related software capabilities supporting the Fleet.

Senior Software Developer at Intelliforce-IT Solutions Group builds the infrastructure behind the next wave of AI capabilities. The role leads development of platform components that power scalable inference, AI services, and the broader AI application ecosystem, guiding a small integrated team and shaping platform strategy.

T-Rex Solutions seeks a Junior Software Developer to support Intelligence Community programs in Hanover, Maryland. The role involves developing, maintaining, and enhancing complex software systems, including analytics, algorithm development, large data handling, real-time and business management systems.

Senior Software Developer (C++) role at NIH-NCBI focuses on building and maintaining bioinformatics software and data pipelines for national biomedical resources. The position requires deep expertise in C++, Linux, and database technologies, and experience with large-scale distributed computing.

American Systems supports the NAVAIR PMA-268 Stingray MQ-25A program by providing mission-critical software engineering and test support for naval aviation. The role involves technical oversight of vendor development, reviewing compliance artifacts, and serving as a government witness for Formal Qualification Testing.

Booz Allen seeks a Software Developer to maintain and modernize legacy enterprise systems for clients in Belcamp, MD, or Aberdeen Proving Ground, MD. The role involves troubleshooting, fixing bugs, and enhancing applications using C and Python while advising on security and system upgrades. This is a full-time position with an onsite work model.

Intelliforce-IT Solutions Group builds mission‑critical software that enables defense teams to operate faster, smarter, and with greater precision. As a Full Stack Software Engineer, you will design and maintain large‑scale, distributed web applications using Node.js, TypeScript, Python, and modern DevOps automation, while collaborating with security researchers on offensive cyber and vulnerability research.

Positioning, Navigation and Timing (PNT) team at Intuitive Machines develops real-time navigation flight software for lunar relay satellites. The developer designs, builds, and tests flight software in software- and hardware-in-the-loop environments, integrating GN&C sensors and supporting on‑orbit operations.

Analysis team at NetSage builds enterprise analytics solutions across multiple data sources. The Senior Analytic Software Developer captures stakeholder requirements, designs innovative analytics, and deploys automated data and metadata analysis tools.