Principal Software Engineer Jobs in Arlington, VA

Shape the future of our technology solutions as a back-end software engineer. Collaborate with a cross-functional team to develop efficient systems using modern frameworks and tools, ensuring scalabil...

Drive innovation by shaping AI agent interactions with Pinecone’s API, SDK, and web surfaces. Collaborate across teams to create scalable, efficient systems that enhance developer and agent experience...

Transform secure software development by architecting scalable solutions, integrating Web3 technologies, and championing robust engineering practices. Collaborate across teams to innovate, ensuring qu...

Shape the future of secure application development by leading the design and implementation of critical software solutions for government cloud environments, mentoring teams, and improving operational...

Transform software solutions by designing and deploying microservices and cloud-native applications through Agile methodology and DevSecOps practices, ensuring quality, security, and reliability for s...

Drive innovation by leading the development of cutting-edge AI infrastructure. Collaborate with a dynamic team to design robust cloud-native solutions, enhance Kubernetes management, and optimize depl...

Join a team that's redefining open-source library management. You'll lead architectural strategies and automation efforts across multiple ecosystems, influencing the future of platform scalability and...

Lead the design of enterprise cloud solutions, ensuring security, scalability, and operational excellence. Collaborate with cross-functional teams to architect modern technologies that align with busi...

Transform your career by leading a small development team in building scalable, AI-enabled fulfillment systems for a dynamic e-commerce platform, enhancing architecture and engineering standards acros...

Optimize AI solutions by designing, developing, and deploying cutting-edge models while collaborating across teams to enhance capabilities and drive innovation in a fast-paced environment...

Shape your career by leading cross-functional teams in developing secure cloud-based solutions. Drive technical strategy, enhance software delivery practices, and foster an inclusive engineering cultu...

Innovate by designing and delivering a framework-agnostic UI platform that empowers engineering teams. Lead technical direction and enhance developer experience while ensuring performance and adherenc...

Champion robust software delivery by designing and building CI/CD pipelines, enhancing deployment systems, and partnering directly with product teams to eliminate delivery friction across engineering...

Drive the evolution of a next-gen design system, influencing frontend practices and enhancing the product experience through a world-class component library while mentoring engineering teams and imple...

Shape the future of distributed graph data platforms by building scalable solutions that connect identities and resources. Leverage your C#/.NET expertise in cloud-native environments to enhance API l...

Shape the future of our technology by leading the design and development of scalable systems. You'll drive modernization, enhance collaboration across teams, and mentor engineers to bolster innovation...

Transform the future of productivity services by developing solutions and supporting end users on Microsoft Power Platform and Microsoft 365 products, while fostering collaboration within the organiza...

Seeking a Principal Engineer to lead cross-team initiatives, define platform architecture, and coach engineers. Drive AI adoption, enhance reliability, and improve customer outcomes while owning techn...

Engage with an AI-native team to architect cutting-edge agentic marketing systems, transforming marketing strategies into actionable technical frameworks for optimal agent performance and insightful a...

Support our mission by developing and enhancing PKI tools, ensuring secure coding practices and software reliability. Collaborate with a skilled team to address unique PKI challenges and foster innova...

Champion the design and maintenance of resilient systems powering real-time operations. Drive technical strategy while ensuring scalability and performance, mentoring the next generation of engineers...

Engage with a dynamic team to design and develop innovative software tools that automate event analysis and enhance reliability in power systems. Leverage your expertise to lead discussions and mentor...

Drive architectural and modernization efforts for a cutting-edge simulation platform. Lead technical delivery and ensure code quality while mentoring team members and collaborating across departments...

Empower a team that's architecting large-scale systems. Drive innovation, define standards, and mentor engineering talent to enhance our core platform's architecture and reliability while collaboratin...

Engage with stakeholders to develop AI-enabled products, guiding a small team while being hands-on in full-stack software development. Drive solutions that enhance security and performance across hybr...