Principal Software Engineer Jobs in Arlington, VA

Transform legacy systems by developing cloud-native Python microservices. Engage in designing and deploying efficient REST APIs and batch jobs in modern environments while utilizing Agile and DevSecOp...

Join a team that's transforming legacy systems into modern cloud-native solutions. Leverage your Python expertise to develop, deploy, and automate robust microservices while enhancing software securit...

Drive the charge in comprehensive systems engineering, ensuring seamless integration and validation across all lifecycle stages from concept development to disposal, while balancing performance, cost...

Lead the charge in defining technical strategies that align with business growth, supporting federal opportunities through collaboration with cross-functional teams to drive innovative solutions and i...

Join our team to innovate legacy systems by transforming monolithic Java and .NET applications into agile, cloud-native Python microservices while enhancing security and deployment processes in server...

Drive modernization of legacy systems by transforming Java/.NET services into cloud-native Python microservices. Leverage your Python skills to design APIs, integrate DevSecOps practices, and support...

Lead and innovate as you build secure, high-performance infrastructure for GraphQL, engaging directly with users and teams to enhance our platform and drive strategic improvements essential for advanc...

Join a team that's at the forefront of high-performance computing, developing complex software solutions for diverse systems. Collaborate and innovate to enhance technology in support of critical prog...

Grow your career with an impactful role driving AI learning experiences from strategy to launch, collaborating with cross-functional teams to enhance product effectiveness and student engagement throu...

Empower your career as a Senior Automated Test Engineer, driving quality across applications through collaboration and automation strategies. Utilize your testing expertise in a dynamic Agile/DevSecOp...

Lead and innovate in generative modeling and CAD systems, driving technical excellence within a high-performing engineering team while coordinating closely across teams to enhance platform coherence a...

Join us as a hands-on AI Software Engineer driving innovation in AI model-based applications across retail. You'll develop full-stack prototypes, enhance LLM performance, and contribute significantly...

Transform training experiences by designing comprehensive systems for evolving operational needs, utilizing cutting-edge simulation technology to enhance real-world applications and ensure role profic...

Elevate customer onboarding experiences by driving early adoption for key accounts. Collaborate with cross-functional teams to ensure seamless transitions and high-value engagements that set customers...

Unlock potential by designing secure, scalable enterprise architectures and leading application development across various high-impact systems. Collaborate with teams to modernize legacy structures an...

Unlock potential by joining a dedicated team to enhance pediatric healthcare through innovative backend systems, driving scalability and integration while collaborating across disciplines in a dynamic...

Unlock potential as a Full Stack Engineer, driving innovation through AI-powered features, while collaborating across teams to design scalable systems and contribute to exciting product development pr...

Join a team that's shaping the future of security governance in highly-regulated markets. Take ownership of critical compliance programs and cultivate a proactive security posture to enhance organizat...

Unlock potential by leading the strategic governance of a dynamic security assurance program. You will oversee compliance, risk management, and control design, ensuring operational integrity and custo...

Elevate your career by designing and deploying full stack applications that address critical national challenges in classified environments, collaborating with experienced teams to enhance technology...

Pioneer impactful delivery solutions by coaching Agile teams, fostering improvement, and collaborating effectively across functions to ensure timely, high-quality project execution and exceptional cus...

Lead the front-end strategy for an advanced trading platform, driving performance improvements across web and mobile clients while mentoring engineers to excel in a fast-paced, innovative environment...

Drive the design and delivery of scalable systems, collaborating across teams to enhance user experiences in complex catering and event workflows, while mentoring engineers and promoting best practice...

Lead the charge in designing and delivering innovative financial products. As a Senior Software Engineer, you'll drive engineering excellence, mentor peers, and collaborate cross-functionally to shape...

Help us shape the future of AI-Native engineering by designing innovative backend services for international markets while enhancing workflows that leverage AI to accelerate product delivery and impro...