Principal Software Engineer Jobs in Washington, DC

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...

Join our team as a senior technical anchor in Active Defense, where you will set the direction for threat detection, lead large initiatives, and mentor engineers while ensuring the quality and scalabi...

Join a team that's redefining threat detection by driving innovation and overseeing complex detection initiatives. Collaborate across functions to enhance security and apply cutting-edge technologies...

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...

Lead the architectural strategy and development of Upstart's pricing platform, influencing revenue streams and enhancing product strategies across various financial services and machine learning initi...

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...

Transform global networking solutions as a Staff Software Engineer by designing and developing high-performing applications. Collaborate with teams to create reliable systems and deliver innovative se...

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...

Pioneer impactful software solutions as a technical authority, driving architecture and strategy while mentoring senior engineers. Collaborate cross-functionally to ensure high-quality software delive...

Unlock a rewarding opportunity to lead the design and development of resilient, scalable distributed applications. Drive innovation while collaborating with engineers and enhancing the developer exper...

Transform the astrophysics proposal process by architecting and developing a multi-mission software system. Lead a small team to create a secure, scalable prototype while collaborating with NASA scien...

The Principal Software Engineer at Vanta will lead strategic technical initiatives and set the tone for engineering excellence within the Governance, Risk, and Compliance (GRC) product team. This role...

Elevate your career by owning critical components of our AI-driven product. Lead design and delivery, set quality benchmarks, and foster the growth of junior engineers while collaborating with founder...

Lead the charge in designing and developing Oracle/NetSuite integrations. Own the connector lifecycle, collaborating with product and engineering teams to deliver innovative solutions and technical me...

Architect scalable AI-driven software development processes by overseeing generator-verifier frameworks, ensuring compliance with top-tier standards while bridging human oversight and autonomous agent...

Accelerate your career as a Principal Data Engineer, leading the design and development of innovative data pipelines while mentoring a skilled team to achieve scalable data infrastructure aligned with...

Drive seamless payroll operations by managing configurations, integrations, and compliance in a dynamic environment. Collaborate across departments to deliver accurate payroll solutions that meet evol...

Bring your expertise to develop and enhance complex software systems, support large-scale analytics, and contribute to innovative solutions while collaborating with a team to meet high-impact requirem...

Advance software solutions by developing, maintaining, and enhancing diverse systems. Collaborate within teams to ensure adherence to design requirements and resolve issues while utilizing appropriate...

Join a dynamic team to design and implement cloud-native applications and solutions, utilizing cutting-edge technologies, and drive modernization efforts for clients, enhancing both efficiency and val...

Lead the transformation of our build and deploy systems while enhancing developer efficiency, safety, and software delivery reliability. Collaborate across teams to drive technical innovation and opti...

Empower your career with a pivotal role in test automation, leading teams while driving quality and efficiency. Utilize your expertise to enhance software development processes and collaborate within...

Elevate your career by architecting and developing secure, scalable AI applications that streamline workflows and enhance operational efficiency in a collaborative environment, driving productivity an...

Unlock potential by leading backend architectural transformations, designing resilient microservices, and shaping technical strategies for high-impact projects. Collaborate with teams to ensure succes...