Principal Software Engineer Jobs in Arlington, VA

Shape the future of secure API ecosystems by architecting and integrating advanced solutions that support national security initiatives while collaborating with cross-functional teams in a complex env...

Deliver advanced AI-driven solutions by leading the design and development of generative AI and agentic systems, mentoring engineers, and collaborating with cross-functional teams to empower federal c...

Shape the future of our Core Transfer Experience by owning its operating system, driving team alignment, and leading impactful cross-squad initiatives. Collaborate with executives to streamline proces...

Lead the charge in managing NIH's enterprise directory and people-data hub, ensuring seamless delivery, operation, and modernization across diverse systems while coordinating with stakeholders and ove...

Inspire transformation by guiding newly acquired teams through systems integration. Leverage hands-on expertise to enhance tools, support change management, and ensure seamless adoption of processes a...

Drive best-in-class software delivery by partnering with engineering teams, optimizing workflows, and leaving behind reusable tools to enhance productivity across diverse environments. Contribute to a...

Join a dynamic team as a Senior Developer, taking ownership of a large-scale enterprise application. Drive innovative solutions within a cloud-native environment, enhancing system performance, scalabi...

Lead the charge in developing and modernizing a high-availability, enterprise-scale application in a cloud-native environment. Collaborate with cross-functional teams to ensure robust, scalable, and m...

Join a dynamic team to lead enterprise Python development efforts on modernizing applications for federal clients, with a focus on building scalable APIs and implementing secure, cloud-ready solutions...

Collaborate with cross-functional teams to analyze and reverse-engineer software, ensuring the sustainability of critical mission systems for government contracts through expert technical insights and...

Join a team that supports U.S. Federal Government contracts by automating deployment infrastructure, enhancing operational efficiency, and fostering collaboration to ensure reliability and performance...

Join us to architect and enhance cutting-edge software solutions in cybersecurity. Leverage your expertise in programming and leadership to guide teams and improve AI systems that advance our mission...

Grow your skills in a collaborative environment as you build innovative math tools for diverse users. Contribute to the entire software development life cycle while learning from experienced engineers...

Join a team that's enhancing product capability through system engineering excellence. Collaborate with cross-functional teams to ensure optimal performance, compliance, and documentation while drivin...

Drive software excellence by developing, testing, and enhancing complex software solutions. Collaborate effectively in teams to deliver robust applications and resolve technical challenges, ensuring a...

Transform software systems by developing, maintaining, and enhancing complex applications in diverse domains. Collaborate within teams to analyze requirements and ensure adherence to design specificat...

Deliver technical expertise in IT hardware diagnostics, inspecting and testing equipment, ensuring compliance with standards. Collaborate effectively with teams to address vulnerabilities and provide...

Elevate your software development expertise by analyzing user requirements, designing applications, and enhancing system capabilities. Join a dynamic team focused on innovation and process improvement...

Engage in dynamic software development, driving full-stack solutions leveraging Java and AWS within complex project environments. Collaborate across teams to deliver innovative software in compliance...

Join a team that's shaping innovative solutions by leveraging your full-stack skills in Java and AWS. Contribute to impactful projects, utilizing advanced technology while ensuring the highest standar...

Join a dynamic team to drive innovative solutions in government consulting. Collaborate with stakeholders and technical experts to transform business needs into actionable products while ensuring qual...

Transform your career by developing scalable cloud-based solutions in a cutting-edge Agile environment. Collaborate with cross-functional teams to enhance safety-critical flight services, ensuring pre...

Explore innovative solutions in offline mapping and 3D reconstruction, enhancing accuracy in complex environments through cutting-edge techniques in deep learning and geometry. Collaborate with cross...

Empower the future of aviation safety by developing innovative cloud-based software solutions in a dynamic, Agile environment. Collaborate with cross-functional teams to deliver cutting-edge technolog...

Champion cloud innovation by optimizing Azure operations for cost efficiency, reliability, and performance. Collaborate with teams to automate processes, manage resources, and uphold strict security c...