Principal Software Engineer TechDigitalPrincipal Software EngineerSt Louis, MOProduct focus: Closely collaborates with engineering teams to architect and develop resilient; reliable; scalable; secure; compliant; and highly available products -- with plans to mitigate system risk. Required Experience/Skills: - Experience in architecting, designing and developing complex, cloud-native, scalable, performant and highly available distributed systems.
Senior Software Engineer - Embedded Communications (ONSITE) RTXSenior Software Engineer - Embedded Communications (ONSITE)Collins Aerospace Integrated Secure Processing Solutions (SPS) team is looking for a Senior Software Engineer that is passionate about collaborating with high-performance teams to create mission critical solutions supporting Mission Systems. Active and existing security clearance required on day 1 Collins Aerospace, an RTX company, is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry.
Sr Principal C++ Software Engineer CadenceSr Principal C++ Software EngineerBurlington, MA$140,000–$260,000 / yearThe team brings a unique focus to quality and innovation while designing state-of-the-art Cadence emulation products for use in developing today's multi-billion gate designs. You will work closely with a small team of exceptional engineers that are heavyweights in Cadence and EDA while developing the next generation Palladium emulation platform.
Principal Software Engineer, Post Training Waymo LLCPrincipal Software Engineer, Post TrainingMountain View, CA$349,000–$431,000 / yearSince its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver-The World''s Most Experienced Driver-to improve access to mobility while saving thousands of lives now lost to traffic crashes. The Waymo Driver has provided over ten million rider-only trips, enabled by its experience autonomously driving over 100 million miles on public roads and tens of billions in simulation across 15+ U.S. states.
Principal Software Engineer - Control Systems Atom Computing, Inc.Principal Software Engineer - Control SystemsAustin, TX$165,000–$200,000 / yearKnowledge in one or more of the following areas: computer architecture, signal processing, algorithm development, quantum error correction, distributed systems, or compilers, with a willingness to learn across disciplines as needed. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Principal Software Engineer ProtingentPrincipal Software EngineerRedmond, WA$185,000–$255,000 / year10+ years of software development experience, having progressed from shipping great software to shaping how organizations approach building it. • Strong understanding of SQL databases, caching layers, event-driven architectures, and data pipeline design.
Principal Engineer Software/Sr Principal Engineer Software (Infrastructure) Northrop Grumman CorpPrincipal Engineer Software/Sr Principal Engineer Software (Infrastructure)Melbourne, FL$98,400–$147,600 / yearBasic Qualifications: (Principal Engineer Software) bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 5 years of relevant experience, 3 years of relevant experience with a master''s degree or more years of experience in software engineering. (Senior Principal Engineer Software) bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of relevant experience, 6 years of relevant experience, with a master''s degree or more years of experience in software engineering.
Principal/Sr. Principal Embedded Software Engineer (Active Secret) Northrop Grumman CorpPrincipal/Sr. Principal Embedded Software Engineer (Active Secret)Redondo Beach, CA$114,000–$171,000 / yearThe Western Region Software Engineering organization comprises over 800 highly skilled professionals, including Software Engineers, DevOps Engineers, Database Administrators, and Network Engineers, at all levels-ranging from early-career engineers to senior chief engineers and architects. Basic Qualifications - Principal Flight Software Engineer (Level 3): Bachelor''s degree in a STEM discipline with 5+ years of software or relevant engineering experience; Master''s degree in a STEM discipline with 3+ years of stated experience; Ph.
Principal Software Engineer - Digital Twin And Simulation CaterpillarPrincipal Software Engineer - Digital Twin And SimulationIrving, TX$147,760–$240,110 / yearConstruction autonomy is one of the most complex challenges in applied AI, and at Caterpillar, advancements in physical AI, simulation, sensing, and edge computing are turning things that once felt impossible-intelligent machines operating in dynamic jobsites-into reality. Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience.
Principal Software Engineer - Digital Twin and Simulation Caterpillar IncPrincipal Software Engineer - Digital Twin and SimulationIrving, TX$147,760–$240,110 / yearConstruction autonomy is one of the most complex challenges in applied AI, and at Caterpillar, advancements in physical AI, simulation, sensing, and edge computing are turning things that once felt impossible-intelligent machines operating in dynamic jobsites-into reality. Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience.
Principal/Sr Principal Engineer Link 16 Embedded Software Northrop GrummanPrincipal/Sr Principal Engineer Link 16 Embedded SoftwareSan Diego, CA$114,000–$171,000 / yearPrincipal Engineer Embedded Software Basic Qualifications: Bachelor's degree in Computer Engineering or another STEM discipline with 8 years of related experience, or Master's degree with 6 years or a PhD with 4 years of experience. Principal Engineer Embedded Software Basic Qualifications: Bachelor's degree in Computer Engineering or another STEM discipline with 5 years of related experience, or Master's degree with 3 years or a PhD with 1 year of experience.
Principal, Software Engineer Alcon IncPrincipal, Software EngineerLake Forest, CACollaborate closely with the software development teams, Technical Support, Field Service, Manufacturing, Clinical and other operation organizations to support necessary software changes initiated by reported anomalies, changes in use cases, material or hardware changes that impact software, cybersecurity, regulatory updates, and other. The Principal Software Engineer collaborates closely with onshore and offshore development and V&V teams throughout the software development lifecycle, providing technical inputs for testing, validating software modifications, supporting troubleshooting activities, and maintaining software configuration management.
Principal Software Engineer / Rust Programmer - Platform (Remote US) YurtsPrincipal Software Engineer / Rust Programmer - Platform (Remote US)RemoteBorn from a Department of Defense partnership and trusted by leaders across government and enterprise, Legion embeds intelligence inside complex systems, unlocking data, accelerating human workflows, and strengthening mission-critical systems. Demonstrated expertise in database architecture and scalable data systems, including distributed databases, storage and indexing systems, data modeling and schema design, high-throughput and low-latency data access patterns.
Principal Software Engineer - Software Architect Talcott Financial Group, Ltd.Principal Software Engineer - Software ArchitectCharlotte, NCTalcott Resolution is seeking a Principal Software Engineer / Architect to lead the design, delivery, and governance of Azure Cloud and Artificial Intelligence initiatives across Actuarial, Investment, and Enterprise Risk business areas. Overview:Talcott Financial Group is an international life insurance group and the industry's trusted partner for comprehensive risk solutions.
Principal Software Engineer SnoutPrincipal Software EngineerSnout is one of the fastest growing wellness plan providers in the veterinary space, trusted by clinics across the U.S. We’re a small but mighty startup team of Vet med prices are up 40% since 2020, and pet owners are stuck having to pick between their bank account and furry friend.
Principal Software Engineer (Systems Architect) A1M SolutionsPrincipal Software Engineer (Systems Architect)RemoteYou may act as a team lead, contribute fractionally across multiple contracts, or work as a focused individual contributor, but in every mode you're expected to anticipate opportunities and challenges using the breadth of your expertise, and to engage with people managers, practice directors, and leadership to help shape discipline growth, staffing, and organizational strategy. As an A1M Principal Software Engineer (Systems Architect), you shape both strategic and tactical direction for the systems and teams you touch, across contracts and, where relevant, multiple centers, offices, or programs within the Technology Delivery practice.
Software Engineer/Principal Software Engineer - Embedded and Real Time Northrop Grumman CorpSoftware Engineer/Principal Software Engineer - Embedded and Real TimeSan Diego, CA$91,800–$137,600 / yearLevel 3: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience or a PhD in STEM and 1 year of related engineering experience. Basic Qualifications: Level 2: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 2 years of related engineering experience; OR a Master's degree in a STEM discipline and entry level related engineering experience.
Principal Software Engineer, Identity Upstart Holdings IncPrincipal Software Engineer, IdentityCARemote$195,300–$270,400 / yearThe Team: The Identity Platform team is responsible for the creating, securing and managing the borrower and partner identity that is the center piece of all Upstart loan products like Personal Loans, Auto Loans and Home Loans. And whether you choose to work primarily from home or collaborate in-person from one of our offices in Columbus, Austin, the Bay Area, or New York City (opening Summer 2026), you'll have the support to work in the way that works best for you.
Software Engineer/Principal Software Engineer - Embedded And Real Time Northrop GrummanSoftware Engineer/Principal Software Engineer - Embedded And Real TimeSan Diego, CA$91,800–$137,600 / yearLevel 3: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience or a PhD in STEM and 1 year of related engineering experience. Basic Qualifications: Level 2: Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 2 years of related engineering experience; OR a Master's degree in a STEM discipline and entry level related engineering experience.
Principal Software Engineer, AI Platform Redpanda Data IncPrincipal Software Engineer, AI PlatformSan Francisco, CA$245,000–$290,000 / yearYoull work on identifying and integrating the next generation of ADP capabilities as the agentic AI landscape evolves, translating emerging research and industry shifts into concrete engineering proposals and product bets. You Will: Track emerging research, frameworks, and industry developments in the agentic AI space, and translate the most relevant signals into concrete engineering proposals and product bets.