Principal Developer Jobs in Seattle, WA

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Sr Staff Software Engineer, Storage & Caching

Pinterest, Inc.

•

Remote or Seattle, Washington, 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
Posted 60+ days ago | Updated 10 hours ago

Principal Cybersecurity Engineer

NuLeap

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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
Posted 44 days ago | Updated 10 days ago

Lead Java Developer

Agile

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Remote or Atlanta, Georgia, USA

Full-time

Location: Hybrid Remote in Atlanta or 100% Remote must be in the United States and willing to work Eastern business hours Employment Type: Permanent / Direct Hire / Full-time Salary: Up to $140K (depending on experience) + bonus Work Authorization: Due to client requirements, only candidates who do not require sponsorship now or in the future will be considered. Benefits: Unlimited PTOFull healthcare coverage for employees + family (medical, dental, vision, life, and supplemental insurances)Shor
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Posted 8 days ago

Senior Principal Engineer, Design Engineering

RTX Corporation

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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
Posted 30 days ago | Updated 10 hours ago

Tech Lead Software Engineer, Ads ML Infrastructure

TikTok

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Seattle, Washington, USA

Full-time

Location : Seattle Employment Type : Regular Job Code : A129197 Apply to this job Share this listing: Responsibilities The ads system at TikTok operates on a massive scale and serves millions of advertisers, clients and influencers across the world. The quality of the ads system highly depends on the ability to handle massive data, and machine learning is widely used to improve the quality of our ads. The Ads machine learning data platform team is responsible for building highly efficient
Posted 60+ days ago | Updated 10 hours ago

APPLICATION DEVELOPER/ANALYST LEAD

University of Washington

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Seattle, Washington, USA

Full-time

Although open until filled, priority application date is June 19, 2025. As a UW employee, you have a unique opportunity to change lives on our campuses, in our state and around the world. UW employees offer their boundless energy, creative problem-solving skills, and dedication to build stronger minds and a healthier world. UW faculty and staff also enjoy outstanding benefits, professional growth opportunities and unique resources in an environment noted for diversity, intellectual excitement,
Posted 39 days ago | Updated 10 hours ago

Sr Technical Program Mgr, AHS, Amazon OneMedical Pay-Per-Visit

Amazon Stores

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Seattle, Washington, USA

Full-time

Amazon Health Services (AHS) is on a mission to make it dramatically easier for customers to find, choose, afford and engage with the services, products, and professionals they need to get and stay healthy. Our team, Amazon One Medical Pay-per-visit (PPV) gives Amazon customers the option to seek out one-time virtual visits for 30+ common conditions. We are seeking a Senior Technical Program Manager (TPM) to partner with our PPV Tech team, consisting of four technical two-pizza teams. You will b
Posted 2 days ago | Updated 3 hours ago

Infra & Performance Engineer- Senior Lead Software Engineer

JPMorgan Chase & Co.

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Seattle, Washington, USA

Full-time

Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Infrastructure Platforms (IP) team, you provide expertise and engineering excellence in the software development life cycle to ensure that applications, hardware, and systems are optimized for performance and user experience. Leverage your advanced technical capabilities and coll
Posted 42 days ago | Updated 10 hours ago

Principal Software Engineer, Connected Warfare

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 60+ days ago | Updated 10 hours ago

Lattice Platform - Principal Software Engineer

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 60+ days ago | Updated 10 hours ago

Product Lead Engineer

TecHobbit

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Remote

Full-time

Position: Product Lead Engineer Location: Remote/Flexible (Client New Jersey) Duration: 12+ Months Contract with possible extension Experience: 10+ Years (Strictly Required) The Product Lead Engineer (PLE) oversees the engineering and technology delivery of the respective customer experiences for S&R with Microsoft Dynamics 365 and CRM products, ensuring alignment with business objectives and technical standards. Collaborating closely with the Product Owner and Business Product Manager, the PL
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Posted 2 days ago | Updated 1 day ago

Staff Full Stack Software Engineer (Backend) - Time Platform

Rippling

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Seattle, Washington, USA

Full-time

About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even
Posted 22 hours ago | Updated 10 hours ago

Staff Software Engineer (Backend) - Devices & Inventory Management

Rippling

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Seattle, Washington, USA

Full-time

About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even
Posted 60+ days ago | Updated 10 hours ago

Senior Staff Engineer, Server Networking & Observability

mongoDB, inc

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Seattle, Washington, USA

Full-time

MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft
Posted 60+ days ago | Updated 10 hours ago

Tech Lead Software Engineer - Ads Growth, Customer Engagement

TikTok

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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
Posted 60+ days ago | Updated 10 hours ago

Lead SW Engineer

Visa Inc.

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Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 60+ days ago | Updated 10 hours ago

Senior Technical Program Manager, AWS Agentic AI Solutions

Amazon Development Center U.S., Inc.

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Seattle, Washington, USA

Full-time

As part of the AWS Solutions organization, we have a vision to provide business applications, leveraging Amazon's unique experience and expertise, that are used by millions of companies worldwide to manage day-to-day operations. We will accomplish this by accelerating our customers' businesses through delivery of intuitive and differentiated technology solutions that solve enduring business challenges. We blend vision with curiosity and Amazon's real-world experience to build opinionated, turnke
Posted 2 days ago | Updated 6 hours ago

Lead Engineer/Architect- Cyber/Cloud

Radyant Inc.

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Remote

Third Party, Contract

Lead Engineer/Architect- Cyber/Cloud Must have: Required TS/SCI with CI polygraphAWS Certified Solutions Architect or equivalent certification.Security+ certification and compliance with DoD 8570/8140 requirements.Qualifications: Minimum Education: Bachelor's in Computer Science, Engineering, or equivalent technical field (Master s preferred)Certifications: Recommended technical certifications in cloud, cybersecurity, or enterprise architectureExperience:10+ years of experience in IT system eng
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Posted 3 days ago

Principal Machine Learning Engineer - CoreAI

Microsoft Corporation

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Redmond, Washington, USA

Full-time

The Microsoft CoreAI Post-Training team is dedicated to advancing post-training methods for both OpenAI and open-source models. Their work encompasses continual pre-training, large-scale deep reinforcement learning running on extensive GPU resources, and significant efforts to curate and synthesize training data. In addition, the team employs various fine-tuning approaches to support both research and product development. The team also develops advanced AI technologies that integrate language
Posted 2 days ago | Updated 10 hours ago

Principal Software Engineer - Software Architect, Platform Team

Blue Origin, LLC

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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 6 hours ago