Principal Software Engineer Jobs in Ontario, CA

Join a team that's dedicated to enhancing platform growth through back-end development and agile collaboration. Engage in coding, testing, and mentoring while building scalable features that serve mil...

Join a dynamic team to develop innovative electronic systems for cutting-edge defense technologies, enhancing production capabilities and supporting next-gen military applications through hands-on eng...

Lead the development of scalable backend services that enhance routing and dispatch systems, optimizing fleet management and delivery logistics while collaborating cross-functionally to deliver except...

Lead the charge in executing complex cross-organizational initiatives, partnering with senior leaders to translate strategy into measurable outcomes while driving program execution across critical B2B...

Elevate your engineering career by driving innovative solutions in semiconductor capital equipment. As a Principal Systems/Mechanical Engineer, you'll lead subsystem design and integration, ensuring t...

Join a team that's redefining travel booking by leading a small, agile engineering unit. Drive architectural excellence while interfacing with partners to create scalable, impactful solutions within o...

Pioneer in validating advanced hardware for power delivery systems. Drive engineering tests, develop plans, and collaborate closely to ensure top performance and reliability in next-gen technologies...

Inspire innovation by architecting a unified global front-end framework. Lead strategic web platform transitions and empower teams to enhance development velocity, ensuring quality and optimizing SEO...

Champion strategic initiatives that enhance Work-to-Cash capabilities, driving product direction and delivering impactful outcomes while collaborating across teams and navigating ambiguity within comp...

Lead the charge in shaping high-impact SaaS solutions by driving technical strategy and empowering a high-performing engineering team. Collaborate across disciplines to foster innovation in a fast-pac...

Accelerate your career by shaping innovative workflows and AI-driven experiences. Join a dynamic team where ownership, speed, and user-focused product development are paramount. Contribute across the...

Optimize the data delivery landscape by leading CI/CD automation and infrastructure strategies, ensuring a robust enterprise-grade platform that supports analytics and operational use, empowering team...

Empower your career as a key player on our Infrastructure team, ensuring seamless tech and security solutions. You will collaborate with teams to support both internal operations and client environmen...

Lead the charge in software test development for high-quality server hardware manufacturing. Collaborate with engineering teams to design and maintain test systems, ensuring reliability across multipl...

Transform satellite capabilities by owning RF mechanical designs from concept to qualification. Collaborate with cross-functional teams to deliver cutting-edge hardware that meets internal and externa...

Transform the SaaS landscape by writing quality code, collaborating in Agile teams, and leveraging AI tools to enhance productivity and deliver impactful features for nonprofits...

Empower your career by leading security engineering initiatives, developing scalable solutions, and optimizing detection capabilities across multiple domains. Drive impactful changes in a collaborativ...

Empower our global engineering team as you optimize DevOps practices and cloud infrastructure, ensuring efficiency and robustness for a platform processing millions of transactions daily. Help drive a...

Unlock potential by leading the technical direction of a consumer platform, driving architectural innovation, and enhancing engineering practices to deliver high-quality user experiences while scaling...

Shape the future by leading the design and integration of internal systems, unifying business workflows and advancing AI capabilities, while managing teams to solve operational challenges with precisi...

Drive the development and maintenance of high-performance APIs and backend services, leading the full software lifecycle in an Agile environment to deliver innovative solutions for space systems and g...

Engineer advanced data management systems using software and GenAI pipelines, supporting NASA flight missions. Collaborate on cloud solutions and develop data visualization tools to enhance mission te...

Engineer and manage multiple projects, establish objectives, oversee financials, and ensure client satisfaction. Drive project completion on time and budget while leading teams and coordinating effort...

Innovate and lead the design of spacecraft structural systems from concept to launch, collaborating cross-functionally to integrate hardware while ensuring high-performance and reliability in fast-pac...

Join a team that's passionate about enhancing the developer experience by deploying cloud-native solutions. Leverage your technical expertise to troubleshoot and optimize infrastructure for our develo...