Principal Software Developer Jobs in Seattle, WA

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Staff Information Security Engineer

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

AI Engineer Lead Consultant

Allstate Insurance Company

Illinois, USA

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description We are seeking a passionate and skilled Lead Backend Devel

Staff Information Security Engineer

ServiceNow, Inc.

Remote or Atlanta, Georgia, 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 Information Security Engineer

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

Principal Technical Support Engineer

Salesforce

Remote or San Francisco, California, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Customer Success Job Details About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate abo

Staff Android Engineer, Square Order Entry Mobile

Block Inc

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across

Sr. Staff Machine Learning Engineer, Monetization, Privacy ML

Pinterest, Inc.

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility

Principal Solutions Engineer, Capital Markets

Circles Inc.

Remote or New York, New York, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines

Principal Jurisdiction and Classification Engineer

RTX Corporation

Kentucky, USA

Full-time

Date Posted: 2025-06-24 Country: United States of America Location: RKY99: RTN Remote, Kentucky Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the st

Principal/Lead Solution Engineer: State and Local Government-MuleSoft

Salesforce

California, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Sales Job Details About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about betterin

Staff Software Engineer

Samsung Electronics America

Remote or Mountain View, California, USA

Full-time

Position Summary Samsung Ads is a leading innovator in advertising technology, dedicated to providing cutting-edge solutions that optimize ad performance and deliver exceptional results for our clients. We are seeking a highly skilled and experienced front-end staff engineer to join our dynamic team and help shape the future of the ad tech industry. We seek a talented Staff Engineer to play a pivotal role in enhancing our platform's performance advertising capabilities. As a Staff Engineer, So

Senior Software Engineer - Compute Infrastructure

Rippling

Seattle, Washington, USA

Full-time

About Rippling Rippling is the first way for businesses to manage all of their HR & IT-payroll, benefits, computers, apps, and more-in one unified workforce platform. By connecting every business system to one source of truth for employee data, businesses can automate all of the manual work they normally need to do to make employee changes. Take onboarding, for example. With Rippling, you can just click a button and set up a new employees' payroll, health insurance, work computer, and third-pa

Space System I&T Engineer, Lead

EXCEL CONSULTANTS

Remote or El Segundo, California, USA

Contract

Space System I&T Engineer, Lead Provide System Integration and Test leadership to one or more of the following: the satellite bus, RF payloads, optical payloads, custom ground terminals, or custom user terminals.Provide system-level test design technical expertise to one or more of the following products and services: satellite bus, RF payloads, optical payloads, custom ground terminals, or custom user terminals.Specify and develop end-to-end payload or sub-system integration and test plans and

Lead Network Development Engineer (NDE)

EXCEL CONSULTANTS

Remote or El Segundo, California, USA

Contract

Lead Network Development Engineer (NDE) Routing & Switching (OSPF, BGP, EIGRP, Static)TCP/IP Networking fundamentalsVLANs, STP, EtherChannelWireless NetworkingFirewall administration and security protocols (ACLs, VPNs, IPSec)Load balancing and network optimizationDNS, DHCP, IPAMNetwork Automation & scripting (Python, Ansible)Cloud networking (AWS, Azure, Google Cloud Platform)Network troubleshooting and diagnostics (Wireshark, tcpdump)Familiarity with Cisco, Juniper, Arista, Palo Alto, and simil

Lead ARGO Teller Developer / Remote /

Motion Recruitment Partners, LLC

Remote or Atlanta, Georgia, USA

Full-time

A client is looking to bring on a Lead ARGO Sales Developer to join their team. In this position, you'll be supporting a specialized team within a large banking organization. You'll be directly supporting their ARGO applications doing custom development. You'll be working with a relatively small team that's looking to expand significant;y to support their teller operations. ARGO Sales experience is crucial to this position. Any experience with ARGO Teller is a huge huge plus for this team as wel

Principal Kernel Ransomware Engineer

Request Technology, LLC

Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Kernel Ransomware Engineer. Candidate will contribute to the Windows agents ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains. This development will allow the product to better protect customers from the threat of ransomware. Responsibilities: Develops

Principal Kernel System Engineer

Request Technology, LLC

Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Kernel System Engineer. This engineer will focus on stopping ransomware, bug fixes, performance enhancements, etc. This engineer will write high quality multithread safe code. Responsibilities: Develops prototypes for new features, transforms prototypes into production quality codeTranslates learnings from prototyping effort into crisp functional specifications and project plans for

Lead ASIC & FPGA Design Engineer - Vitis HLS (HYBRID TELEWORK)

Lockheed Martin Corporation

Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description We are committed to work-life balance by promoting this hybrid telework opportunity. These job requirements allow the employee to work at a Lockheed Martin-designated office or job site for part of their schedule and has a predefined regular, recurring telework schedule for the remaining part of their work schedule. Who We Are Lockheed Martin is dedicated to shaping, developing, & advancing technologies & capabilities with a focus on our customers' needs as part of our 21st Ce

Lead Substation Protection and Control Engineer

Leidos

Remote

Full-time

Are you ready for your next career challenge? We are in search of a Lead Substation Protection and Control Engineer to join our diverse and fast-paced Substation Engineering organization. As a future leader of our substation protection and control group at Leidos, we are committed to fostering a work environment that supports your personal growth by focusing on your career objectives and your personal well-being to achieve a successful work-life balance. You will interact with other electric uti

Associate Principal AI Innovation Engineer - Remote Eligible

General Mills

Remote or Golden Valley, Minnesota, USA

Full-time

JOB OVERVIEW: Innovation, Technology & Quality (ITQ) is becoming a digital-first organization committed to delivering remarkably better outcomes at every stage of the innovation cycle. Within ITQ, the Stronger Innovation Digital Workstream accelerates what's next in new product development (NPD) by embedding Generative AI experimentation into our ways of working. To amplify that mission, we are adding an Associate Innovation Principal AI Engineer who will be the champion and help build our AI f