Principal Developer Jobs in Seattle, WA

701 - 720 of 761 Jobs

Lead AI/ML Engineer (NLP) - RemoteJob Title - Lead AI/ML Engineer (NLP) - Remote

UnitedHealth GroupCompany Name - UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv

Lead Network Tools Integration DeveloperJob Title - Lead Network Tools Integration Developer

CopelandCompany Name - Copeland

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Remote

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 Gen AI EngineerJob Title - Staff Software Gen AI Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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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

Staff Software Gen AI EngineerJob Title - Staff Software Gen AI Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or San Diego, California, USA

Full-time

Staff Software Gen AI EngineerJob Title - Staff Software Gen AI Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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Remote or Atlanta, Georgia, USA

Full-time

Communication Systems EngineerJob Title - Communication Systems Engineer

Motorola SolutionsCompany Name - Motorola Solutions

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North Carolina, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil

Digital Software Engineer Senior Lead AnalystJob Title - Digital Software Engineer Senior Lead Analyst

CitiCompany Name - Citi

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Remote or Irving, Texas, USA

Full-time

Citibank, N.A. seeks a Digital Software Engineer Senior Lead Analyst for its Irving, Texas location. Duties: Design enterprise architecture patterns, frameworks, and reusable services to support standards and cloud adoption utilized across operations, personal banking, and wealth management applications. Provide architectural guidance to application engineering groups. Enable cloud adoption using application programing interfaces (API) and Microservices, reference implementations, scalable comm

Application Developer Technical Lead (AVP)Job Title - Application Developer Technical Lead (AVP)

BarclaysCompany Name - Barclays

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Remote or Hanover, New Jersey, USA

Full-time

Job Description Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.Cross-functional collaboration with product managers, d

ARCS Solution Engineer Senior - PrincipalJob Title - ARCS Solution Engineer Senior - Principal

American Electric PowerCompany Name - American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-25-2025 Please note the job posting will close on the day before the posting end date Job Summary Part of a larger team delivering high quality technology solutions to the business. Design, develop and install software solutions. Build high-quality, innovative and fully performing software in compliance with internal architecture, development & design standards & best practices. Design, modify, develop, write, implement and troubleshoot software programming applications.

Senior/Staff Big Data Storage and Computing Engineer, Recommendation Data EcosystemJob Title - Senior/Staff Big Data Storage and Computing Engineer, Recommendation Data Ecosystem

TikTokCompany Name - TikTok

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Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A187812 Apply to this job Share this listing: Responsibilities Our team plays a crucial role in the data ecosystem of the TikTok Recommendation System, focusing on creating offline and real-time data storage solutions for large-scale recommendation, search, and advertising businesses, serving over 1 billion users. The core goals of the team are to ensure high system reliability, uninterrupted service, and smooth data processing. We a

Senior Plant EngineerJob Title - Senior Plant Engineer

GE VernovaCompany Name - GE Vernova

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Remote

Full-time

Job Description Summary The Senior Plant Engineer is the plant engineering representative at the launch of all projects and will control the technical execution of the project through closeout. The Sr Plant Engineer is accountable to lead other engineers to define plant solutions & tools and to support proposal tender offerings and project execution. The Senior Plant Engineer will also serve as technical mentor resolving conflicts and certifying finished engineering products as proper and correc

Lead/Senior Full Stack Engineer (Node & React) with AI/MLJob Title - Lead/Senior Full Stack Engineer (Node & React) with AI/ML

iSpace, IncCompany Name - iSpace, Inc

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Remote

Contract

Only on W2, NO C2C/1099 Title: Lead Full Stack Engineer (Node & React) with AI/ML Position type: 12+ Months contract to start (could go for over 1-2 years) Location: Remote Top Skills: Node. JS, React, State Management, MySQL, AWS, Docker, Kubernetes, Open AI/Chat GPT, lead experience with both onshore and offshore. Qualifications: 7+ years of experience building complex web applications.Solid work experience using component-based development on the client side.Proficiency with front-end techn

Lead Java Developer with Angular - VP - Charlotte, NC or Rutherford, NJJob Title - Lead Java Developer with Angular - VP - Charlotte, NC or Rutherford, NJ

CitiCompany Name - Citi

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Remote or Charlotte, North Carolina, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. This Lead will support Insight is Citi's Strategic Global Regulatory Reporting Platform. The role is for hands on Senior Dev Lead / Scrum Team Lead. Responsibilities: Partner with

Senior Specialist, ML Ops EngineeringJob Title - Senior Specialist, ML Ops Engineering

Merck & Company IncCompany Name - Merck & Company Inc

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Remote or Rahway, New Jersey, USA

Full-time

Job Description Machine Learning Engineer (MLOps) Technical Lead, Data Science and Scientific Informatics The Data Science and Scientific Informatics Team at Research and Development Sciences IT (RaDS-IT) of our company is seeking a Lead Machine Learning Engineer for MLOps. The successful candidate will engage in exploration, design, and implementation of features to support new MLOps use cases for a growing and diverse range of models and platforms. This role will involve the deployment and o

Electrical Design Engineer (Hybrid-Puerto Rico)Job Title - Electrical Design Engineer (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Join Collins Aerospace as an Electrical Design Engineer and assume a key role within the Communication Products Engineering department in Mission Systems. We're looking to create a pipeline of passiona

Technical Lead Manager, Backend (Institutional - Derivatives)Job Title - Technical Lead Manager, Backend (Institutional - Derivatives)

CoinbaseCompany Name - Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Senior Data Science ManagerJob Title - Senior Data Science Manager

CoinbaseCompany Name - Coinbase

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Remote

Full-time

Airworthiness and Regulatory Engineer (Experienced, Senior or Principal)Job Title - Airworthiness and Regulatory Engineer (Experienced, Senior or Principal)

Boeing CompanyCompany Name - Boeing Company

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Remote or Everett, Washington, USA

Full-time

Airworthiness and Regulatory Engineer (Experienced, Senior or Principal) Company: The Boeing Company Boeing Commercial Airplanes (BCA) is currently seeking multiple Airworthiness and Regulatory Engineer (Experienced, Senior, or Principal) to join our Chief Aerospace Safety Officer (CASO) organization. These positions are in Everett, WA. Position Overview: Join the esteemed team at Boeing's Chief Aerospace Safety Officer (CASO) organization, where we are dedicated to ensuring the highest stan

Senior - Principal End User Support EngineerJob Title - Senior - Principal End User Support Engineer

American Electric PowerCompany Name - American Electric Power

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Remote or Columbus, Ohio, USA

Full-time

Job Posting End Date 07-17-2025 Please note the job posting will close on the day before the posting end date. Job Summary Part of a larger team delivering high quality Computer, Network, Storage and End-User Infrastructure technology solutions, on-going support to the business. Independently completes infrastructure project assignments. Provide technical support and troubleshooting, cost estimates, justifications, and recommendations. Produces technical documentation, support and configuration

Principal Systems Test Equipment EngineerJob Title - Principal Systems Test Equipment Engineer

DraperCompany Name - Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas