Principal Software Engineer Jobs in Fairfax, VA

Innovate the future of API tooling by building powerful CLI applications and SDKs. Collaborate with engineers to enhance developer productivity through extensible platforms, advanced telemetry, and se...

Develop robust software solutions while collaborating with cross-functional teams through all phases of the SDLC. Utilize modern technologies, ensure optimal performance, and support DoD installations...

Optimize processes at the intersection of AI and software engineering, developing and deploying advanced workflows. Drive mission-critical initiatives while leveraging LLMs and Python in a dynamic, hy...

Join a team that develops high-performance enterprise-grade server-side Java applications. Leverage your skills in Linux and distributed computing environments to drive innovations while collaborating...

Explore the cutting-edge in software engineering by developing high-performance Java applications in a collaborative team environment. Leverage your skills in Linux, Spring Framework, and distributed...

Join a dynamic team as a Senior Software Engineer, driving innovative UI solutions. Lead front-end development, influence design standards, and collaborate in an agile setting to enhance mission-criti...

Shape the future of national intelligence by designing and integrating cutting-edge software solutions in secure environments, leveraging your expertise in C/C++ and Python to support mission-critical...

Lead the charge in applied machine learning, guiding scientific direction and transforming research into impactful production models while mentoring a dynamic team to meet evolving AI challenges...

Unlock your potential as you leverage your software engineering expertise to innovate robust solutions in cloud environments, enhancing capabilities and enabling agile processes to meet complex projec...

Join a team that's dedicated to enhancing connectivity by developing innovative software solutions for transitioning client networks from IPv4 to IPv6, ensuring operational efficiency and high-impact...

Champion software excellence through leadership and innovation, leveraging extensive experience to deliver cutting-edge solutions and drive project success in high-stakes environments while collaborat...

Unlock potential by leveraging your 14 years of software engineering experience. Lead complex projects utilizing your expertise in Python and AWS. Partner with us to deliver innovative software soluti...

Engage customers by providing technical solutions, triaging support issues, and enhancing product experiences through custom integrations and bug fixes, while collaborating with engineering teams to d...

Join a team that's innovating space domain awareness through robust software solutions. Collaborate in an agile environment to design and deliver containerized microservices on AWS, enhancing flight s...

Develop robust data pipelines and scalable microservices, enhancing engineering quality through AI integration. Lead a dynamic team, ensuring system reliability and optimized cloud architectures, whil...

Engineer innovative solutions in a dynamic MultiValue environment, blending software development, database management, and systems support to enhance enterprise applications and ensure optimal perform...

Lead the charge in developing optimized software solutions for complex scientific and geospatial applications, collaborating with multidisciplinary teams to enhance research capabilities and deploy sc...

Drive innovative software solutions by leveraging your extensive experience in software engineering and expertise in modern technologies to develop and enhance complex systems in a dynamic environment...

Join our dynamic team to leverage your software engineering skills and lead critical development projects utilizing modern technologies and methodologies in a collaborative environment, driving innova...

Invent the future of fintech by leading the development of next-gen payment systems. Utilize your expertise to mentor others and enhance our platform, driving innovation and maintaining high standards...

Engage your skills to develop and modernize software solutions for space domain awareness. Collaborate in an agile environment to create microservices and enhance systems through CI/CD practices, ensu...

Advance your career by developing containerized microservices within a modern AWS architecture, while driving the software design and performance analysis in support of space domain awareness and flig...

Empower a talented SDK engineering team to innovate and deliver seamless, real-time content solutions. Lead developer experience initiatives while fostering a collaborative culture and driving strateg...

Innovate and enhance the machine learning infrastructure to empower rapid model deployment and automation. Collaborate across teams to streamline operations and drive impactful solutions in ML and fin...

Unlock your potential in a dynamic role where you lead enterprise IT initiatives, manage complex projects, and drive collaboration across teams to enhance cybersecurity and infrastructure resilience...