Principal Software Engineer jobs in Santa Clara – Browse 423 openings on RoboApply Jobs

Principal Software Engineer jobs in Santa Clara

Open roles matching “Principal Software Engineer” with location signals for Santa Clara. 423 active listings on RoboApply Jobs.

423 jobs found

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companyServiceNow logo
Full-time|On-site|Santa Clara

As a Principal Software Engineer at ServiceNow, you will play a pivotal role in designing and developing innovative software solutions that meet the demands of our clients. You will collaborate with a talented team of engineers and product managers to deliver high-quality software while driving architectural and design decisions.

Jan 12, 2026
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companyServiceNow logo
Full-time|On-site|Santa Clara

Join ServiceNow as a Principal Software Engineer specializing in Artificial Intelligence and Machine Learning. In this pivotal role, you will leverage your deep expertise in software engineering and AI/ML technologies to drive innovative solutions and enhance our product offerings. You will collaborate with cross-functional teams to define technical requirements and ensure the successful implementation of advanced AI algorithms.

Jan 22, 2026
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companyIntegrated Resources Inc. logo
Full-time|On-site|Santa Clara

We are seeking a highly skilled Principal Software Engineer with expertise in Clojure and system design to join our dynamic team. In this pivotal role, you will lead the development of innovative software solutions, drive architectural decisions, and mentor junior engineers. You will collaborate with cross-functional teams to ensure our technology stack meets the demands of our growing customer base.

Nov 3, 2016
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companyForward Networks logo
Full-time|$240K/yr - $270K/yr|On-site|Santa Clara, CA

At Forward Networks, we are revolutionizing the management and security of the world’s most intricate networks. Established in 2013 by a team of four Stanford Ph.D.s, we pioneered the development of the industry’s first network digital twin—a mathematically precise representation of the production network that provides IT teams with unparalleled visibility, verification, and agility across multiple cloud and vendor environments.Our esteemed clientele includes industry giants like Goldman Sachs, PayPal, S&P Global, IBM, and Dell, alongside rapidly growing enterprises and government bodies. According to IDC, our clients experience an average of $14.2 million in annual savings through enhanced efficiency and security.Supported by elite investors such as Andreessen Horowitz, Goldman Sachs, MSD Partners, and Threshold Ventures, we cultivate a people-centric and innovative culture where brilliant minds are at the forefront of advancing network reliability, security, and AI-driven operations.We are on the lookout for a seasoned Principal Backend Software Engineer to become a vital member of our Scaling team. In this crucial position, you will spearhead the development of our product’s fundamental components, ensuring seamless interaction with other services and systems. Your expertise will be key in optimizing our core data structures and enhancing our computational capabilities.

Oct 31, 2025
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companyIntegrated Resources Inc. logo
Principal Engineer

Integrated Resources Inc.

Full-time|On-site|Santa Clara

Join Integrated Resources Inc. as a Principal Engineer and be an integral part of our innovative team. In this role, you will lead engineering projects, mentor junior engineers, and drive technical excellence within our organization. Your expertise will be crucial in developing cutting-edge solutions that meet the needs of our clients.

Nov 3, 2016
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company
Full-time|Hybrid|Santa Clara

At d-Matrix, we are dedicated to unlocking the transformative potential of generative AI, leading the charge in both software and hardware innovation. Our team thrives on a culture of respect and collaboration, where diverse perspectives fuel creative solutions.We believe in humility and prioritize direct communication. We are looking for passionate individuals who are eager to tackle challenges and are driven by results. If you're ready to explore the boundless opportunities in AI, join us as we shape the future together.Location: Hybrid, with 3 days per week onsite at our Santa Clara, CA headquarters.Role Overview: As a Principal AI/ML System Software Engineer, you will play a critical role in productizing the software stack for our cutting-edge AI compute engine. You will lead the development, enhancement, and maintenance of our next-generation AI deployment software, collaborating closely with a team of system software experts and interfacing with hardware and other software teams.

Jan 21, 2026
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company
Full-time|On-site|Santa Clara, CA

Join PlusAI, a trailblazer in Physical AI, as we develop cutting-edge AI-driven virtual driver software for autonomous trucks. With our headquarters positioned in the heart of Silicon Valley and operations extending across the United States and Europe, PlusAI has been recognized by Fast Company as one of the World’s Most Innovative Companies. We collaborate with industry leaders such as TRATON GROUP’s Scania, MAN, International brands, Hyundai Motor Company, Iveco Group, Bosch, and DSV to accelerate the rollout of next-generation autonomous trucking solutions. If you're passionate about making a significant impact and steering the future of autonomy, we invite you to become part of our dynamic team.As a Principal Engineer on our Mapping and Localization team, you will be responsible for the design and implementation of sophisticated fusion algorithms that integrate data from LiDAR, Radar, Cameras, IMUs, and GNSS with HD Maps to achieve unparalleled centimeter-level accuracy. Your expertise will be crucial in addressing the most challenging scenarios—from navigating GPS-denied tunnels to maneuvering through dynamic construction zones—ensuring our vehicles can operate safely and effectively within complex Level 4 Operational Design Domains (ODDs).

Jan 13, 2026
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company
Full-time|On-site|Santa Clara, CA

Join plus-2 as a Principal Engineer / Director of Motion Planning, where you will lead the development of cutting-edge motion planning technologies that drive our innovative projects. You will work closely with a talented team of engineers and researchers to create advanced algorithms and systems that enhance autonomy in robotics and automation.This role offers an exciting opportunity to shape the future of motion planning and contribute to high-impact projects. You will leverage your expertise to mentor junior engineers, collaborate with cross-functional teams, and drive research initiatives that align with our strategic goals.

Oct 8, 2024
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company
Full-time|Hybrid|Santa Clara

At d-Matrix, we are dedicated to unlocking the transformative potential of generative AI to redefine technology. Positioned at the leading edge of software and hardware innovation, we continually challenge the limits of possibility. Our workplace culture emphasizes respect and collaboration.We foster humility and value direct communication, creating an inclusive team where diverse perspectives lead to superior solutions. We invite individuals who are enthusiastic about overcoming challenges and who possess a strong execution drive. Are you ready to join us and explore the exciting realms of AI? Together, we can shape the infinite possibilities of this technology.Position Overview:As a Principal Software ML Test Engineer, you will lead junior team members in test planning, automation, and execution to productize the d-Matrix AI compute engine. You will contribute to the Software Qualification team, responsible for developing test suites, test cases, and testing infrastructure. Collaborating closely with software development teams, you will design, automate, and execute software and system use cases relevant to our next-gen AI chip software stack. Your role will involve implementing Python programs to test workloads and ML models within the Pytest framework, enhancing our end-to-end test suite and regression test suite in a CI/CD environment utilizing Jenkins and GitLab. You will work alongside the product, software development, and systems teams to ensure effective test coverage and results. Engaging fully in test case implementation, bug triaging, and debugging, you should be adept in advanced Python programming, capable of developing data structures and algorithms for testing purposes.

Apr 1, 2026
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companyMindlance logo
Full-time|On-site|Santa Clara

We are seeking a talented and motivated Software Engineer to join our dynamic team at Mindlance. In this role, you will be responsible for developing innovative software solutions that meet our clients' needs. You will collaborate with cross-functional teams to design, build, and maintain software applications, ensuring high performance and responsiveness to requests from the front-end.If you are passionate about technology and looking to grow your skills in a fast-paced environment, we want to hear from you!

Jan 26, 2017
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companyMindlance logo
Full-time|On-site|Santa Clara

Join our dynamic team at Mindlance as a Senior Software Engineer. In this pivotal role, you will leverage your extensive experience in software development to drive innovative solutions and contribute to impactful projects. Collaborate with cross-functional teams to design, develop, and maintain high-quality software systems that meet our clients' needs.

Nov 21, 2016
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companyCobot logo
Full-time|$205K/yr - $235K/yr|On-site|Santa Clara

About the Role:At Cobot, we view safety not merely as a requirement, but as a core principle that empowers robots to operate effectively alongside humans. We are at the forefront of transforming safety in human-robot collaboration, crafting systems that are transparent, reliable, and predictable even in complex real-world settings.As a Staff Safety Software Engineer, you will lead the design and architecture of safety-critical software systems. Your contributions will shape the processes of designing, testing, deploying, and enhancing safety across our robotic solutions. You will be instrumental in responding to incidents and ensuring compliance with certification and regulatory standards.This position provides a unique chance to influence not only our products but also the organizational ethos surrounding safety. You will collaborate across teams, guide technical strategies, and bolster our functional safety practices. If you are passionate about the challenge of enabling safe autonomy on an industrial scale, we invite you to apply.This role is based onsite at our headquarters in Santa Clara, CA.

Jan 29, 2026
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companyServiceNow Inc. logo
Full-time|On-site|Santa Clara

Join ServiceNow as a Staff Software Engineer focused on federal solutions! In this role, you will engage in designing, developing, and implementing innovative software applications tailored to meet the unique needs of our federal clients. You will collaborate with cross-functional teams to ensure our products maintain the highest standards of quality and performance. If you possess a passion for technology and a desire to make an impact in the federal sector, we encourage you to apply!

Jan 15, 2026
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companyServiceNow logo
Full-time|On-site|Santa Clara

Join ServiceNow as a Senior Software Engineer and contribute to the development of innovative software solutions. In this role, you will be responsible for designing, coding, and enhancing software applications that support our clients in achieving their business objectives. You will collaborate with cross-functional teams, ensuring high-quality deliverables and performance optimization.

Mar 6, 2026
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companyOklo logo
Full-time|$110K/yr - $160K/yr|On-site|Santa Clara, CA

Join us in revolutionizing the future of energy! At Oklo, we are at the forefront of developing cutting-edge nuclear reactors. By utilizing your software engineering expertise, you will collaborate with a diverse team of engineers to model, simulate, design, and deploy innovative fission power technologies.This position focuses on refining our software development processes to ensure high-quality deliveries while adhering to compliance standards. You will play a pivotal role in supporting various internal teams by leveraging software and automation, enabling them to perform their tasks efficiently. As a dynamic startup, Oklo is expanding its capabilities, and you will have the chance to influence the engineering infrastructure's evolution. A background in nuclear energy is not a prerequisite; however, a strong desire to learn and explore is essential.

Mar 12, 2026
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companyMindlance logo
Full-time|On-site|Santa Clara

We are seeking a highly skilled Senior Software Engineer to join our dynamic team at Mindlance. In this role, you will be responsible for designing, developing, and maintaining high-quality software solutions. You will collaborate with cross-functional teams to deliver innovative solutions that meet the needs of our clients.

Nov 17, 2016
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companyJobs for Humanity logo
Full-time|Remote|Santa Clara

Join the innovative team at Jobs for Humanity as a Scientific Software Engineer! In this role, you will collaborate with cross-functional teams to develop and optimize scientific software applications that drive our mission to improve accessibility for all. You'll be involved in all stages of the software development lifecycle, from requirements gathering to design, implementation, and testing.

Sep 23, 2024
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companyPure Storage logo
Full-time|$175K/yr - $317K/yr|On-site|Santa Clara, California

Join us at the forefront of technology as we revolutionize the data storage industry. Here, you'll be empowered to think creatively, grow alongside a talented team, and contribute to groundbreaking projects.If you're eager to embrace vast opportunities and make a significant impact in the tech realm, we invite you to be a part of our journey.THE ROLEAs a member of our Core Engineering team, you will spearhead the evolution of modern data platforms, achieving six nines of reliability through innovative algorithms and high-performance systems. Your work will not only drive innovation from inception to customer delivery but also influence how organizations worldwide manage and leverage their data. This position offers comprehensive ownership of projects and extensive collaboration with elite software engineers dedicated to ensuring customer success.WHAT YOU'LL DODesign and implement cutting-edge algorithms and technologies for high-performance, reliable distributed storage systems, contributing to our ambitious goal of achieving industry-leading six nines uptime.Take full ownership of features and projects, managing technical design, coding, testing, and deployment to deliver transformative innovations directly to our customers.Analyze and address the most complex challenges in areas such as distributed consensus, resource management, and data integrity to guarantee the platform's scalability and robustness.Engage daily with a team of skilled and inspiring engineers to conduct thorough code reviews, share technical knowledge, and shape the architectural vision of the Core Engineering platform.Connect platform performance and feature delivery to business outcomes, ensuring our technical decisions align with customer needs and sustain our competitive edge in the evolving data landscape.WHAT YOU BRINGProficiency in programming languages such as C, C++, Python, or Go, with a strong ability to write clean, high-performance, and maintainable production code.Demonstrated design acumen and the capacity to critically assess system architecture, trade-offs, and failure modes within complex, distributed environments.A solid foundation in systems software projects including Distributed Systems, Operating System internals (Linux Kernel), Database internals, or Virtualization (Hypervisors/Containers).

Feb 2, 2026
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companyIntegrated Resources, Inc. logo
Software Research Engineer

Integrated Resources, Inc.

Full-time|On-site|Santa Clara

Join our innovative team at Integrated Resources, Inc. as a Software Research Engineer. In this pivotal role, you will leverage cutting-edge technologies to conduct in-depth research, develop software solutions, and drive the advancement of our products. If you are passionate about software engineering and research, we want to hear from you!

Dec 16, 2016
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companyArista Networks logo
Full-time|On-site|Santa Clara

About the Role Arista Networks is hiring a Diagnostics Software Engineer for the Santa Clara office. This role focuses on building and improving diagnostic tools that support the performance and reliability of Arista’s networking products. What You Will Do Design and develop software tools for diagnostics and troubleshooting Optimize existing diagnostic solutions to improve efficiency and reliability Work with engineering and other teams to ensure software meets technical and customer requirements Who We’re Looking For Strong background in software development Interest in diagnostic technologies and tools Comfort working with cross-functional teams This position is based in Santa Clara, California.

Apr 14, 2026

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