Principal Software Engineer Jobs in Washington, DC

Join a team that's shaping the developer experience with innovative tools and surfaces. Contribute end-to-end in a core engineering role, focusing on impactful web and CLI features that delight users...

Join a team that's driving innovation in Engineering by managing cross-functional teams, enhancing operational service levels, and executing strategic technology initiatives that impact organization-w...

Transform national defense through innovative software solutions. Leverage your technical expertise to design systems that integrate cutting-edge technologies, supporting advanced system design, evalu...

Unlock potential by leveraging your extensive software engineering expertise to drive complex programs and projects, ensuring top-notch quality and efficiency in a dynamic, collaborative environment t...

Lead innovative software development initiatives leveraging 20 years of expertise. Collaborate on complex projects utilizing advanced technologies to deliver exceptional solutions. Join a dynamic team...

Innovate software solutions by developing and enhancing robust systems, ensuring high performance for mission-critical applications while collaborating across the software development lifecycle in a d...

Join a team that's dedicated to developing and optimizing advanced software solutions for critical mission applications. Collaborate throughout the software lifecycle to enhance complex systems, focus...

Join us as you lead strategic data science initiatives, aligning technical solutions with client needs across diverse industries while mentoring teams and fostering innovation throughout the project l...

Join a dynamic team to mentor engineers and lead the development of complex financial systems. Drive architecture decisions while remaining hands-on. Collaborate across domains to enhance payment, fra...

Champion the management of complex defense programs, ensuring quality, cost, and schedule performance while leading teams and interfacing with customers. Drive strategic initiatives with a focus on co...

Lead the charge in developing and enhancing complex software systems. Collaborate within a talented team to analyze requirements and create innovative solutions for diverse applications in a fast-pace...

Join a team that's redefining quality standards in automation-rich environments. You'll architect a new system testing framework, establish critical metrics, and ensure reliability and performance acr...

Elevate operational efficiency by leading AI transformation initiatives across Finance, HRIS, and Legal. Deliver impactful projects that enhance automation and drive measurable business outcomes, ensu...

Accelerate engineering team growth by driving full-cycle recruitment, crafting effective sourcing strategies, and engaging top-tier talent as a trusted partner to hiring managers in this impactful, 10...

Drive the creation of high-performance backend services and prototype new capabilities. Collaborate with cross-functional teams to translate complex software designs into solutions for mission-critica...

Pioneer secure system integration in a mission-critical environment. Leverage your expertise in Linux, AWS, and automation to enhance deployments across hybrid infrastructures while ensuring complianc...

Join a team that's pivotal in shaping secure DoD systems through expert Linux integration, AWS cloud engineering, and automation. Bring your deep technical experience to enhance system performance and...

Develop high-performance web applications using React and Next.js. Collaborate with backend teams to ensure user-centric, scalable solutions while optimizing for speed, SEO, and maintainability. Drive...

Join us to develop impactful full stack solutions that enhance mission workflows. Collaborate across technology stacks, engage with stakeholders, and create intuitive systems that address real operati...

Partner with us to lead user experience design efforts, creating intuitive journeys and innovative solutions across products, while inspiring teams and driving collaboration throughout all project pha...

Create and sustain a mission-focused enterprise web application in a containerized Kubernetes Linux environment while collaborating with multidisciplinary teams to drive innovation and performance exc...

Explore innovative software solutions while maintaining HPC infrastructure. Collaborate with cross-functional teams to optimize performance and develop essential management tools in a dynamic Linux en...

Unlock the potential of complex software systems by developing, maintaining, and enhancing efficient data pipelines, while ensuring seamless integration of machine learning analytics for optimized pro...

Lead the enhancement of backend systems for an innovative shopping experience. Drive collaborative product development while leveraging cutting-edge technologies to create a smooth user journey tailor...

Lead and mentor a team to create high-performance developer environments, enhancing productivity. Shape the technical vision, drive strategic projects, and innovate systems for seamless developer expe...