Software Engineer, Principal United States Jobs

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...

Lead complex, high-impact projects as a Principal Full Stack Engineer. Leverage 10+ years of expertise in Java, Scala, or Node to solve architectural challenges at scale. Champion technical excellence, mentor junior engineers, and shape company-wide initiatives. This remote US role includes healt...

Lead the technical vision for a modern, AI-augmented developer platform at Dropbox. As a Principal Engineer, you'll architect systems to streamline the entire SDLC across a complex monorepo and multi-product stack. This career-defining role requires deep expertise in distributed systems, DevProd,...

Shape the future of Dropbox as a Principal Software Engineer. This technical leadership role blends hands-on engineering with strategic vision to prototype new ideas and define architecture. You'll need 10+ years of full-stack experience and a proven ability to scale products from MVP to millions...

Lead groundbreaking SASE data plane development as a Principal Engineer. Design and architect core networking systems using DPDK and Linux. Join a world-class team in Santa Clara to solve complex routing and security challenges. Enjoy stock units, bonuses, and comprehensive wellbeing programs.

Join Microsoft's Frontier AI team in Redmond to transform healthcare with next-generation AI models. As a Principal Software Engineer, you'll design and ship scalable cloud services using C#/.NET on Azure. This role requires 6+ years of experience and offers the chance to impact millions by reduc...

Lead the development of the flagship M365 Copilot App, a high-growth, multi-platform product at the forefront of AI-powered productivity. You will manage a skilled engineering team, driving architectural decisions for Windows, Mac, and Web applications. This role in Mountain View requires 6+ year...

Lead the development of groundbreaking healthcare solutions as a Principal Software Systems Engineer in Raleigh. You will drive new product development for Infusion Pump Platforms and Digital Apps using Agile and Systems Engineering. This role requires expertise in regulated medical devices, requ...

Lead groundbreaking healthcare innovation as a Senior Principal Software Systems Engineer in Raleigh. Develop infusion pump platforms and digital apps using Agile methodologies in a regulated medical device environment. This role requires 10+ years of experience and offers a robust benefits packa...

Join Microsoft's Azure Data team in Redmond as a Principal Software Engineer. Design and build core distributed database capabilities for Cosmos DB, integrating with Microsoft Fabric. Leverage 6+ years of coding experience in C/C++/C#/Java/Python and deep expertise in distributed systems. Shape t...

Lead the development of groundbreaking healthcare solutions as a Principal Software Systems Engineer in Raleigh. You will drive new product development for Infusion Pump Platforms and Digital Apps using Agile and Systems Engineering. This role requires expertise in regulated medical devices, requ...

Lead groundbreaking healthcare innovation as a Senior Principal Software Systems Engineer in Raleigh. You will drive new product development for Infusion Pump Platforms using Agile methodologies in a regulated medical device environment. This role requires 10+ years of experience and offers a com...

Lead groundbreaking healthcare innovation as a Senior Principal Software Systems Engineer in Raleigh. Utilize your 10+ years of experience in regulated medical devices to develop infusion pump platforms and digital applications. Drive Agile SDLC, mentor teams, and solve complex challenges in a ro...

Lead the development of groundbreaking healthcare solutions as a Principal Software Systems Engineer in Raleigh. You will drive new product development for Infusion Pump Platforms and Digital Apps using Agile and Systems Engineering. This role requires expertise in regulated medical devices, requ...

Lead the architecture of a next-generation data platform for sophisticated financial institutions at Arcesium. This hands-on Principal Engineer role requires expertise in distributed systems, modern data lakes (Iceberg/Delta), and streaming tech (Kafka/Spark). Based in New York, you'll design hig...