Principal Software Engineer United States Washington Redmond

Job description

Collaborates with appropriate stakeholders to determine user requirements for a scenario. Drives identification of dependencies and the development of design documents for a product, application, service, or platform. Creates, implements, optimizes, debugs, refactors, and reuses code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI). Leverages subject-matter expertise of product features and partners with appropriate stakeholders (e.g., project managers) to drive a workgroup's project plans, release plans, and work items. Acts as a Designated Responsible Individual (DRI) and guides other engineers by developing and following the playbook, working on call to monitor system/product/service for degradation, downtime, or interruptions, alerting stakeholders about status and initiates actions to restore system/product/service for simple and complex problems when appropriate. Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale. Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python These requirements include but are not limited to the following specialized security screenings: Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Proficiency in one or more programming languages (such as C#, Python, Go, or Java) with experience in building distributed systems or cloud services. Experience with service-oriented architecture, microservices, or large-scale cloud systems (e.g., Azure, AWS, GCP). Demonstrated understanding of secure coding practices, authentication, authorization, and service security fundamentals. Experience developing or integrating with AI/ML or automation frameworks to optimize workflows, detect issues, or enable intelligent decision-making. Solid problem-solving and system design skills, with the ability to translate complex security or compliance requirements into practical, automated solutions. Familiarity with DevSecOps practices, CI/CD pipelines, and infrastructure-as-code for managing large-scale deployments. Excellent collaboration and communication skills — able to work effectively with cross-functional partners, influence without authority, and drive alignment across teams. Growth mindset with a passion for learning new technologies, especially AI-assisted development and cloud security tooling. Experience as a Designated Responsible Individual (DRI) or similar operational role, ensuring high service availability and reliability. Hyper scale distributed systems. Cyber security analysis and threat modeling. Agentic programming and LLM.