Principal Software Engineer Jobs in Seattle, WA

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Principal Software Engineer, ArsenalOS (Forge Platform)

Aduril Industries

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Seattle, Washington, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 11 days ago | Updated moments ago

Principal Software Engineer

Blue Origin, LLC

•

Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Enterprise Technology (ET), where we're deve
Posted 60+ days ago | Updated 9 hours ago

Lattice Platform - Principal Software Engineer

Aduril Industries

•

Seattle, Washington, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated moments ago

Principal Software Engineer, Connected Warfare

Aduril Industries

•

Seattle, Washington, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated moments ago

Senior Principal Software Engineer - AI GPU Innovation

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description Oracle Cloud Infrastructure's (OCI) architecture development engineering team is seeking a highly driven GPU platform software & system development engineer at the Principal Engineer level. We are at the forefront of AI innovation, exploring the next generation of AI accelerators and hardware solutions. As a Senior Principal software engineer, part of our growing team, you will be involved in evaluation, prototyping, and optimizing cutting-edge AI hardware, AI accelerators, inc
Posted 10 days ago | Updated moments ago

Principal Software Engineer, Cloud Performance

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for top tier enterprises around the world. Our cloud offers unmatched hyper-scale, multi-tenant services deployed in more than 50 regions worldwide. OCI is expanding its mission beyond the traditional boundaries of public cloud to include dedicated, hybrid and multi cloud, edge computing, and more. At Technical Strategy and Oversight (TSO) organization, our mission is to support customer choice, transparenc
Posted 23 days ago | Updated moments ago

Principal Software Engineer

Oracle Corporation

•

Seattle, Washington, USA

Full-time

Job Description Oracle Cloud Infrastructure (OCI) is the next-generation cloud platform that delivers the most powerful compute and networking performance, with a comprehensive portfolio of services, and the most flexible and cost-effective pricing options for customers. OCI is built from the ground up to meet the needs of mission-critical applications, enterprise-grade security, and unparalleled availability and scalability. OCI is already trusted by thousands of customers across industries an
Posted 53 days ago | Updated moments ago

Senior Principal Software Engineer

Oracle Corporation

•

Seattle, Washington, USA

Full-time

Job Description Oracle Cloud Infrastructure (OCI) is the next-generation cloud platform that delivers the most powerful compute and networking performance, with a comprehensive portfolio of services, and the most flexible and cost-effective pricing options for customers. OCI is built from the ground up to meet the needs of mission-critical applications, enterprise-grade security, and unparalleled availability and scalability. OCI is already trusted by thousands of customers across industries an
Posted 53 days ago | Updated moments ago

Senior Principal Software Engineer - AI Platform Innovation

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. You are the builder here. We are at the forefront of AI innovation, exploring the next generation of AI accelerators and hardware solutions. As part of our growing team, you will be involved in working o
Posted 39 days ago | Updated moments ago

Senior Principal Software Engineer (Join OCI)

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description Sr. Principal Software Engineer - Infrastructure Delivery Location: Hybrid in our Seattle office is ideal but will also consider Austin or Nashville. Note: This position is not eligible for sponsorship As a member of the OCI Infrastructure Delivery Engineering team, you will take an active leadership role in the definition and evolution of standard practices and procedures for the canonical Inventory Management solution for all of OCI's global data centers. You will define sp
Posted 60+ days ago | Updated moments ago

Principal Software Engineer - AI Infra Compute

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description OCI (Oracle Cloud Infrastructure) AI Infrastructure is at the forefront of building a cutting-edge, ultra-high-performance GPU platform designed to support AI/ML/HPC workloads. This is your chance to be part of the AI revolution, creating systems that allow customers to scale from tens to thousands of GPUs without compromising performance. Our team is the DP plane team in AI Infra Compute Org. we are responsible for designing and developing fundamental architectural changes for
Posted 60+ days ago | Updated moments ago

Principal Software Engineer / Ruby

Decisiv

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Remote

Full-time

REMOTE Position Decisiv is seeking a Principal Software Engineer to lead the architecture, scalability, and interoperability of our growing platform. As technology landscapes shift, our platform must evolve to handle increasing data demands, automation, and intelligent decision-making while maintaining reliability and flexibility. As a Principal Engineer, you will define long-term technical strategy, guide cross-team architecture, and mentor engineers, ensuring our platform continues to adapt to
Posted 16 hours ago | Updated 16 hours ago

Principal Software Engineer - Software Architect, Platform Team

Blue Origin, LLC

•

Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Enterprise Technology (ET), where we're deve
Posted 60+ days ago | Updated 9 hours ago

Principal Software Development Engineer

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description We are seeking a highly skilled and experienced Principal Software Developer to join our team to take a significant role in the definition and development of mechanisms that directly influence how OCI understands, learns from, responds to, and eliminates the drivers of customer impacting incidents. You will provide technical and operational leadership within an organization of world-class engineering teams to measurably drive down the duration, size, recurrence, and cost of inci
Posted 10 days ago | Updated moments ago

Principal Software Engineer

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll perform coding, debugging, testing, and troubleshooting of systems and softwa
Posted 60+ days ago | Updated moments ago

Principal Software Engineer - Virtual Cloud Networking DataPlane

Oracle Corporation

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Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 23 days ago | Updated moments ago

Principal Software Engineer

AFLAC

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Remote

Full-time

Salary Range: $110,000 - $169,000 Job Posting End Date: 7/15/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Di
Posted 48 days ago | Updated 9 hours ago

Principal Software Engineer - Virtual Cloud Networking Dataplane

Oracle Corporation

•

Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly l
Posted 60+ days ago | Updated moments ago

Principal Software Engineer

Tradeweb Markets LLC

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Remote or Golden, Colorado, USA

Full-time

ICD is treasury?s trusted provider of investment technology and the corporate client channel of Tradeweb, a leading global operator of electronic marketplaces for rates, credit, equities and money markets. ICD provides tools for organizations to independently research, trade, analyze, and report on investments. With ICD Portal, over 500 organizations across 65 industries in more than 45 countries gain unbiased access to the market for managing liquidity. Organizations can manage risk across thei
Posted 60+ days ago | Updated 1 hour ago

Principal Software Engineer - Kernel Engineer (C++)

Request Technology, LLC

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Remote

Full-time

NO SPONSORSHIP Principal Kernel Engineer SALARY: $235,000 - $275,000 plus 10% bonus and pre-IPO stock LOCATION: remote You will focus on stopping ransomware. New features, bug fixes, performance enhancements, write high quality multithread. Safe code c++ in both Kernal mode win32 APIs and NT Kernal internals reverse engineering windows mini-filter drivers windows filter platform call out drivers SQL databricks rust c++ We deliver an anti-ransomware solution that breaks new ground as to what an a
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Posted 32 days ago | Updated 7 days ago