Software Principal Engineer United States Jobs

Lead complex architecture and mentor teams as a Principal Software Engineer. Tackle our largest technical challenges and deliver solutions used across products. Enjoy flexible work from Mountain View or San Francisco with health coverage and wellness benefits.

Lead complex, large-scale technical initiatives as a Senior Principal Software Engineer in San Francisco. This role requires 10+ years of senior engineering experience and 5+ years as a Technical Lead, with expertise in FedRAMP/DoD compliance. You will architect solutions, mentor principals, and ...

Lead our technical vision as a Principal Fullstack Engineer in San Francisco. Leverage your 10+ years with Java, Kotlin, and AWS microservices to build scalable SaaS solutions. You will guide product strategy, mentor engineers, and optimize systems. Enjoy health coverage, paid volunteer days, and...

Join Juniper's innovative Wired Assurance team in San Jose. Develop cloud-native SaaS solutions using Python, Go, or Java within a microservices architecture. Tackle complex distributed systems challenges to bring AIOps and automation to enterprise networks. Enjoy a culture focused on health, pro...

Lead the design of cloud-scale distributed systems for HPE's premier Mist networking platform. Utilize your expertise in Python/Go, event-driven architectures (Kafka), and big-data technologies (Spark) to build highly scalable, fault-tolerant software. This senior role in San Jose offers a compre...

Lead digital transformation in healthcare as a Principal Software Engineer at CVS Health. Design and develop key applications using Java/Python, CI/CD, and Agile/SAFe methodologies. This Woonsocket-based role offers robust benefits, including comprehensive medical plans, 401(k), and development c...

Join Hewlett Packard Enterprise as a Principal Software Engineer in San Jose. Design and develop scalable, cloud-based network software for the Mist platform using Python, Go, or Java. Leverage your expertise in distributed systems, Kafka, and Apache Spark to build innovative solutions. Enjoy a c...

Seeking a Principal Software Engineer for an onsite role in Annapolis Junction. Prototype and develop novel solutions using TypeScript, React, Java, and Spring Boot in a dynamic, mission-driven environment. This role requires a polygraph and offers the freedom to choose the right tools for critic...

Lead the architecture of our next-gen AI claims platform as a Principal Software Engineer in New York. You will design scalable systems handling millions of documents daily, leveraging LLMs and unstructured data. This role requires 10-15+ years of experience, expert Python skills, and a proven tr...

Lead the design of our global logistics platform as a Principal Software Engineer in Hoboken, NJ. You will architect scalable microservices using Scala, Kubernetes, and AWS to handle millions of transactions. This role requires 7+ years of experience building large-scale distributed systems. Driv...

Lead our Applied AI initiatives as a Principal Software Engineer in Seattle. You will apply Generative AI and Agentic systems to solve high-impact business challenges at scale. This role requires deep expertise in LLMs, cloud services, and mentoring teams. We offer comprehensive benefits, flexibl...

Lead the design of intelligent search and recommendation systems at Highspot. This senior principal role requires 8+ years of expertise in ML, information retrieval, and large-scale platforms. Drive technical strategy, mentor engineers, and shape discovery for millions of users from our Seattle o...

Lead complex backend projects as a Principal Software Engineer at LogRocket in Boston or NYC. Design highly available distributed systems and machine learning pipelines using modern cloud technologies. Enjoy catered lunches, unlimited vacation, generous stock options, and a collaborative, craft-f...

Lead embedded software development for advanced MANET radios and research projects in Irvine. This senior role requires 8+ years of C programming and Linux kernel driver expertise. You will design MAC protocols, security features, and BSPs for ARM/RISC-V systems, ensuring compliance with NIST FIP...

Shape the future of enterprise AI as a Principal Software Engineer at Snorkel. Leverage your 12+ years of experience building cloud-native systems and deep AI/ML expertise to democratize AI through data. You will architect our core platform, mentor engineers, and tackle our most ambitious technic...

Lead the evolution of a cutting-edge AdTech DSP platform as a Principal Software Engineer. This role requires 12+ years of experience, expertise in Go or AdTech, and mastery of microservices and SQL. Drive technical vision, mentor a talented team, and build scalable systems from our Irvine or LA ...

Lead complex software projects from concept to deployment as a Principal Engineer at Amgen. Utilize your full-stack expertise in Python, ReactJS, and cloud architecture (AWS) to develop innovative, data-driven solutions. This role in Tampa or Thousand Oaks offers a chance to mentor teams and impa...

Lead the development of enterprise applications and cloud modernization at Amtrak. This principal role requires expertise in Java, Spring Boot, Angular, and AWS to architect scalable solutions. You will drive Agile/DevOps practices and mentor teams in a flexible hybrid model based in Washington, ...

Join our Next-gen Firewall dataplane team in Santa Clara as a Principal Engineer. You will design and develop critical L2-L4 networking components for cutting-edge firewalls using deep C programming and multi-threading expertise. This role offers ownership of large software modules, work on real ...

Seeking a Principal Software Engineer with an active Top Secret clearance to support critical Command, Control, and Battle Management (C3BM) programs in Bedford. This role requires 20+ years of DoD experience and expertise in the full software development lifecycle. We offer a comprehensive benef...