principal software developer Jobs in seattle, wa

Refine Results
241 - 260 of 751 Jobs

Senior Principal Machine Learning Engineer

Microsoft Corporation

Redmond, Washington, USA

Full-time

We are building a planet-scale multi-modal database from the ground up. You will be part of the team that is reimagining the databases in the era of Large Language Models ( LLMs ) by deeply integrating Artificial Intelligence ( AI ) into all parts of the stack. As a Senior Principal Machine Learning Engineer , you will lead and collaborate with a team of passionate engineers, driving ideas to impactful results in a fast-paced environment. You will work on designing, building, and deploying la

Principal Machine Learning Engineer

Microsoft Corporation

Redmond, Washington, USA

Full-time

Our team in CoreAI - PostTraining is at the cutting edge of developing large language model technologies to power Azure AI Platform products and offering them as a service for both internal and external applications. We collaborate deeply with OpenAI and numerous Microsoft product teams, including GitHub and Office. The team is looking for a passionate, creative, and analytical individual contributor with a background in large language modeling. You will work on adapting and grounding large l

Lead Software Engineer (JavaScript/Typescript)

Copeland

Georgia, USA

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th

Staff Software Engineer

IDR, Inc.

Remote

Contract

IDR is seeking a Staff Software Engineer to join one of our top clients remotely. This role is an exciting opportunity for a seasoned engineer with a passion for healthcare innovation and a proven track record in software development, team leadership, and problem-solving. Youll be joining a mission-driven team on the forefront of revolutionizing preventative healthcare through advanced diagnostics, personalized insights, and scalable tech. If youre energized by the idea of building technology t

Lead Software Engineer - Supply Chain Replenishment

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp

(Remote) Principal Engineer

First American Financial Corporation

Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse

Senior Principal Engineer, Design Engineering

RTX Corporation

Everett, Washington, USA

Full-time

Date Posted: 2025-06-13 Country: United States of America Location: UTWA1: WA-Corp 11404 Commando Rd , Everett, WA, 98204 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: B/E Aerospace, Inc. d/b/a Collins Aerospace has an opening for a Senior Principal Engineer, Design Engineering in Everett, WA. Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace tec

Tech Lead Software Engineer - Ads Growth, Customer Engagement

TikTok

Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A139209 Apply to this job Share this listing: Responsibilities We are TikTok Monetization Ad Growth Team, dedicated to creating an exceptional advertising experience and intelligent growth marketing strategies for global advertising clients. Here, you will engage with challenging technical domains such as large-scale user systems, diverse advertising fields (ad creation, material optimization, delivery strategy, attribution, measurem

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

Remote or West Palm Beach, Florida, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

(USA) Staff, Software Engineer - Global Governance

Walmart Inc.

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless in

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

Remote or San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Principal Cybersecurity Engineer

NuLeap

Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP

Staff Software Engineer, AI Solutions

10x Genomics

California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d

Pega Lead Developer - Vice President - (Hybrid)

Citi

Remote or Irving, Texas, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsib

Principal Thermal Engineer

Microsoft Corporation

Redmond, Washington, USA

Full-time

Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Skype, OneDrive and the Microsoft Azure platform globallywith our server and data center infrastructure, security and compliance, operati

Lead Engineer - MES Opcenter

Katalyst Healthcares and Lifesciences

Remote or New York, USA

Full-time

Job Description: The Lead Engineer will lead a team of technical resources to design, develop, configure, and test MES (Manufacturing Execution Systems) solutions. They will be directly responsible for leading resources contracted vi third-party and through other Pharmaceutical organizations to develop & deploy MES application software to Medical Device manufacturing sites globally. Responsibilities: Act as subject matter expert on system design and architecture. Solutioning and designing new

DPHM ADEM Modeling Lead, Principal Engineer (Hybrid)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-07-29 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s

Lead Engineer, Big Data

Molina Healthcare

Remote or Long Beach, California, USA

Full-time

Job Description JOB SUMMARY Responsible for all the aspects of architecture, design and implementation of Data Management solution using Big Data platform on Cloudera or Hortonworks and other areas of enterprise application platforms. KNOWLEDGE, SKILLS & ABILITIES (Generally, the occupational knowledge and specific technical and professional skills and abilities required to perform the essential duties of this job): Provide leadership on choosing ideal Architecture, evaluating tools and Fram

Staff Software Engineer in Test Systems Engineer

GE Aerospace

Remote

Full-time

Job Description Summary Are you ready to take the lead in designing cutting-edge software architectures for data acquisition systems used in aircraft engine testing? Join our Data Acquisition Systems team and revolutionize how we acquire, store, manage, and process test data. You'll evaluate both vendor and in-house systems, explore new technologies, and spearhead software development efforts to advance our test cell systems. If you're passionate about collaborating with a dynamic team to upgrad