Principal Software Engineer Jobs in Ontario, CA

Shape the future of Reddit's GraphQL infrastructure by developing scalable solutions and collaborating in a remote-friendly environment. Lead engineering efforts to enhance capabilities and improve us...

Shape the future of our data infrastructure by designing robust data pipelines, leading integrations, and enhancing engineering velocity. Serve as a technical guide, ensuring reliability and scalabili...

Transform the client journey as a Performance Testing Engineer, collaborating with stakeholders and engineering teams to deliver high-quality, scalable digital solutions for the banking and fintech se...

Lead the charge in Android experimentation by designing impactful A/B tests, enhancing user engagement, and driving product growth. Collaborate cross-functionally to create innovative solutions and fo...

Drive the development and integration of advanced avionics for hypersonic vehicles. Lead a skilled team through complex projects, ensuring delivery of cutting-edge electrical systems, and maintaining...

Join a dynamic team to architect and enhance ML solutions, leveraging your expertise in software development and data analytics to drive innovation and contribute to impactful projects in a collaborat...

Optimize platform reliability and delivery automation by ensuring seamless operation of our AI infrastructure, enhancing scalability and performance while collaborating across multidisciplinary teams...

Innovate and build resilient cloud infrastructure and CI/CD pipelines at scale, enhancing developer efficiency across multiple teams while ensuring security and compliance in a health tech environment...

Optimize veteran healthcare by integrating technology and systems to enhance operational efficiency. Collaborate across teams, manage federal projects, and drive performance improvements with a focus...

Design and implement scalable software for embedded systems, focusing on real-time communication and optimizing performance. Collaborate with vendors and teams to create reliable components and testin...

Unlock the potential of embedded systems by designing robust software for distributed microcontroller architectures, ensuring high-quality real-time communication and optimal performance in complex en...

Oversee the thermal architecture and design for a groundbreaking spacecraft bus, ensuring optimal thermal performance across various payloads. Lead a small team in high-power thermal engineering from...

Collaborate with cross-functional teams to define RF system architecture, develop innovative engineering solutions, and ensure compliance with customer requirements while overseeing testing and projec...

Champion the development of cutting-edge dashboards that provide vital insights for risk analysis. Collaborate cross-functionally to build seamless frontend and backend components, ensuring high-quali...

Join a team that's redefining media production by building innovative cloud infrastructure that supports complex post-production workflows, empowering creative teams and transforming the entertainment...

Help us build and maintain critical systems for space and Earth. This multifaceted role combines DevOps and SRE practices to enhance infrastructure resilience, ensuring seamless operation across vario...

Join a team that's redefining cloud infrastructure by leading engineering teams to deliver scalable, innovative solutions in a remote-first environment. Enhance our technology landscape while fosterin...

Drive innovation as a Principal Software Engineer, architecting scalable data systems and mentoring teams. Collaborate to align technical strategies with business goals, solving complex challenges to...

Champion quality excellence by developing robust engineering processes that ensure high reliability and compliance with industry standards, while collaborating across teams and driving continuous impr...

Lead complex design projects from inception to delivery, ensuring seamless coordination and high-quality execution. Collaborate with teams while managing multiple project streams and maintaining desig...

Advance your career by leading the execution of complex architectural projects. Collaborate with cross-functional teams to ensure quality from concept to construction, driving design intent and techni...

Innovate by building a next-gen AI-assisted data conversion platform. This role involves managing full conversion delivery, engaging with clients, and improving processes for effective district onboar...

Lead the charge in developing an AI-assisted data conversion platform, ensuring seamless schema mapping and data integrity across diverse educational data systems while managing end-to-end delivery an...

Lead the charge in enhancing endpoint management solutions with Intune and Jamf. Collaborate across teams to improve user experiences while ensuring security and compliance through effective device ma...

Manage project execution and delivery while collaborating with clients and teams. Oversee schedules, budgets, and risks, ensuring high-quality outcomes and strong relationships throughout the project...