Principal Software Engineer (Infra/Platform) GradialPrincipal Software Engineer (Infra/Platform)Seattle, Washington$190,000–$240,000 / yearOur platform orchestrates across martech stacks, workflows, and people to automate marketing execution, cutting execution time, so marketers focus on the work only humans can do: shaping brands, understanding customers, and creating the work that moves people. This is a hands-on individual contributor leadership role for someone who wants real ownership, high leverage, and the opportunity to define how platform reliability looks at an AI-native company.
NewSr Principal Software Engineer The Walt Disney CompanySr Principal Software EngineerSeattle, WashingtonYou will collaborate with domain engineering Directors and VPs across the organization to align platform capabilities with product delivery goals, communicate platform strategy and progress, and build the next generation of engineering leaders through hands ‑ on mentorship, code and design reviews, and architecture partnership . Job Posting Segment: PE - Streaming Backend Job Posting Primary Business: PE - Streaming Backend - Developer Productivity & Operational Excellence Primary Job Posting Category: Software Engineer Employment Type: Full time Primary City, State, Region, Postal Code: Seattle, WA, USA Alternate City, State, Region, Postal Code: Date Posted: 2026-09-21
Principal Software Engineer, CDN (Starlink) SpaceXPrincipal Software Engineer, CDN (Starlink)Redmond, WA$260,000–$345,000 / yearTo conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Principal Software Engineer, CDN (Starlink) Space Exploration TechnologiesPrincipal Software Engineer, CDN (Starlink)Redmond, WA$260,000–$345,000 / yearYou may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. BASIC QUALIFICATIONS: Bachelor's degree in computer science, engineering or other STEM discipline AND 10+ years of professional experience in software development; Or 12+ years of software development experience in lieu of a degree.
Principal Software Engineer, Developer Experience CoreWeave IncPrincipal Software Engineer, Developer ExperienceBellevue, WA$227,000–$303,000 / yearTo conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. This role is ideal for someone who leads with deep software engineering skill first: someone who has built large-scale production software, designed distributed systems that hold up under real-world complexity, and knows how to turn developer productivity problems into elegant, durable software solutions.
NewSenior/Principal Software Engineer - Growth (CoreAI) MicrosoftSenior/Principal Software Engineer - Growth (CoreAI)Redmond, WA$119,800–$234,700 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. CoreAI – Platform and Tools is Microsoft’s AI‑first engineering organization, created to build the end‑to‑end Copilot & AI stack powering products like GitHub Copilot and Visual Studio Code.
Principal Software Engineer, Receiver Products RemitlyPrincipal Software Engineer, Receiver ProductsSeattle, WashingtonYou'll work at the intersection of zero-to-one product creation and large-scale, highly reliable systems — designing and shipping new capabilities that enable receivers to not just collect funds but to save and spend them safely within their own countries. Deep expertise in backend engineering: service oriented architectures, event-driven architectures, RESTful and async APIs, and relational or distributed databases.
NewPrincipal Software Engineer, High Value Send RemitlyPrincipal Software Engineer, High Value SendSeattle, WashingtonProven ability to resolve ambiguous cross-org problems, influence roadmaps and investment decisions, and connect technical proposals to business outcomes for technical and non-technical leaders. Deep backend expertise in languages such as Java, Kotlin, Go, or Python, plus experience shaping customer-facing web and mobile systems with technologies such as TypeScript, React, or native mobile frameworks.
Principal Software Engineer- Core AI Platform JPMorgan Chase & CoPrincipal Software Engineer- Core AI PlatformSeattle, WAStrong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.
Principal Software Engineer, AI Compute Infrastructure ARM LtdPrincipal Software Engineer, AI Compute InfrastructureSeattle, WA$262,700–$355,400 / yearYou will guide work across Kubernetes clusters, accelerator enablement, workload scheduling, high-performance networking, storage, and capacity management, partnering with AI researchers and engineers to improve reliability, performance, scalability, and developer productivity. Familiarity with frameworks such as PyTorch, Ray, vLLM, SGLang, or TensorRT-LLM, or experience qualifying accelerators and tuning distributed workloads.
Principal Software Engineer, AI Inference Cloud ARM LtdPrincipal Software Engineer, AI Inference CloudSeattle, WA$262,700–$355,400 / yearStrong software and production engineering skills, including hands-on programming in Go, C++, Rust, Python, or a similar language, and experience with reliable services, APIs, concurrency, observability, deployment safety, capacity planning, and incident response. A track record of leading complex technical initiatives while remaining hands-on, including architecture, implementation, debugging, mentoring, and influencing technical direction across teams.
Principal Software Engineer - GitHub Platform & Enterprise Microsoft CorpPrincipal Software Engineer - GitHub Platform & EnterpriseRedmond, WA$142,800–$274,800 / yearChampion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our services. You will drive architectural decisions balancing reliability, scale, and developer velocity, mentor engineers across the team, and partner across GitHub and Microsoft on shared billing and commerce infrastructure problems.
Principal Software Engineer, Core Infrastructure OraclePrincipal Software Engineer, Core InfrastructureSeattle, WAIt is a tier-0 platform service that supports core OCI services across regions and realms, with strict transaction semantics, predictable performance goals, scalable data-plane architecture, streaming, garbage collection, cost-based throttling, and ongoing evolution of its storage and data models. You will work on challenging problems such as read/write scalability, strict serializability, multi-version concurrency control, data-plane architecture, operational automation, performance isolation, resiliency, and global service growth.
Principal Software Engineer AtlassianPrincipal Software EngineerSeattle, Washington$209,700–$273,775 / yearOwn customer-facing product features end to end across the full stack — React/TypeScript front ends, backend services, and APIs — taking ambiguous problems all the way to shipped, measured outcomes. You'll own customer-facing products end to end across the full stack, shape what gets built rather than just how, and build the next generation of AI-native and agentic experiences used by teams all over the planet.
Principal Software Engineer Walmart IncPrincipal Software EngineerBellevue, WA$132,000–$264,000 / yearAs a Principal Software Engineer on the Marketplace Platform team, you will play a pivotal role in driving the architecture, design and maintenance of advanced frameworks that elevate Walmart''s Marketplace capabilities, ensuring unparalleled experiences for both sellers and channel partners. Option 1: Bachelor''s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years' experience in software engineering or related area.
Principal Software Engineer ProtingentPrincipal Software EngineerRedmond, WA$185,000–$255,000 / year10+ years of software development experience, having progressed from shipping great software to shaping how organizations approach building it. • Strong understanding of SQL databases, caching layers, event-driven architectures, and data pipeline design.
Principal Software Engineer, Foundry Agents - CoreAI Microsoft CorpPrincipal Software Engineer, Foundry Agents - CoreAIRedmond, WA$142,800–$274,800 / yearWithin CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end‑to‑end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine‑tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Preferred Qualifications: Masters Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewPrincipal Software Engineer Lambda LabsPrincipal Software EngineerBellevue, WAOur investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Own the multi-year technical strategy for Lambda's networking software roadmap covering tools, software and services supporting backend GPU fabric, frontend networks, backbone, edge and everything in between.
Principal Software Engineer Fullstack Echodyne CorpPrincipal Software Engineer FullstackKirkland, WA$164,594–$246,788 / yearYou'll play a key role in architecting robust solutions, collaborating across engineering, product, and UX, and ensuring our technology thrives in real-world, dynamic environments. Deliver core platform components: async (Tokio/Rust) backend services, well-defined APIs, and real-time data/event models.
Principal Software Engineer (Fullstack) Echodyne CorpPrincipal Software Engineer (Fullstack)Kirkland, WA$164,594–$246,788 / yearYou’ll play a key role in architecting robust solutions, collaborating across engineering, product, and UX, and ensuring our technology thrives in real-world, dynamic environments. Deliver core platform components: async (Tokio/Rust) backend services, well-defined APIs, and real-time data/event models.