Principal Software Engineer Jobs in Fairfax, VA

Take ownership of embedding directly with stakeholders to deliver working AI applications, driving rapid development and iteration based on real user feedback and complex requirements within a cloud-b...

Drive innovation by embedding with internal teams, developing end-to-end production AI applications, and directly addressing real user needs through hands-on software delivery and collaboration in a f...

Join a forward-thinking team shaping the future of enterprise integration through innovative API strategies, driving automation and fostering collaboration across technologies to enhance business outc...

Advance your career as a critical member of a team delivering scalable, autonomous investigation solutions. Lead complex systems design while collaborating with cross-functional experts to enhance tec...

Grow your career with a leading-edge team defining software excellence. Drive software design and development, enhance algorithms, and solve complex challenges while collaborating in Agile environment...

Shape the future of high-scale SaaS solutions by leading architectural design, guiding teams, and driving impactful software strategies in a collaborative environment that values innovation and mentor...

Shape the technical strategy and architecture for back-end platforms; mentor engineers and drive innovation in a collaborative, remote environment. Tackling complex challenges while keeping customer e...

Inspire innovation as a Principal Software Architect, bridging architectural excellence and implementation. Enhance our design quality with proven methodologies across complex systems, leveraging AI c...

Lead the development and delivery of secure software solutions, driving innovation and strategic decisions across departments while ensuring compliance and quality standards in a dynamic financial ser...

Join a dynamic team as you design and maintain critical middleware for authentication and integration services, enhancing system reliability and user access across the enterprise. Your expertise will...

Join us to design and enhance secure middleware solutions that impact authentication and integration services. Your expertise in Java/Spring Boot and NoSQL will improve system reliability and drive de...

Shape the future of product engineering by defining architecture and strategy for a game-changing initiative, ensuring high standards and fostering collaboration across teams to deliver reliable, secu...

Pioneer innovative solutions by driving end-to-end development of user-centric features. Collaborate across teams to enhance the product experience for millions, utilizing cutting-edge technologies an...

Help us shape the future of public services by leveraging your extensive software engineering expertise to craft innovative solutions, driving technical excellence across teams and projects, enhancing...

Lead the charge in architecting advanced agentic AI systems leveraging cutting-edge LLMs and MCP frameworks. Collaborate with cross-functional teams to develop innovative solutions for complex workflo...

Lead product enhancements by managing development lifecycle, defining roadmaps, ensuring functionality, and collaborating with users to initiate feature requests while coding and strategizing to meet...

Lead the evolution of global enterprise data architecture, driving innovative platforms that enhance secure data exchange and streamline access to valuable insights, all while ensuring compliance with...

Lead the charge in defining AI platform patterns and providing technical direction across multiple teams while actively contributing production code and solving complex problems in a collaborative set...

Join a dynamic team as a Principal AI Engineer, leading software design and AI integration. You'll mentor developers and drive innovative, scalable solutions that enhance efficiency using AI tools and...

Champion the development of high-impact software for national security, leading a dynamic team with hands-on engineering, technical direction, and cross-functional communication to enhance strategic o...

Empower the development and operation of advanced cloud security solutions, enhancing automated guardrails and vulnerability management. Collaborate with cross-functional teams to secure applications...

Unlock potential by leading software design and development for predictive maintenance projects. Collaborate with a dynamic engineering team to create innovative solutions across multiple platforms, e...

Play a key role in delivering impactful solutions by collaborating with product teams, driving architectural decisions, and enhancing shared services. Utilize your extensive experience to tackle compl...

Drive innovative software solutions in Cloud Services, utilizing Python and JavaScript. Collaborate across technical teams to enhance service integration and provide development support for a recogniz...

Unlock your potential as a senior engineer by designing resilient backend services, driving innovation, and leading technical excellence within a collaborative, multi-team environment in a mission-cri...