Principal Software Engineer MediaAlpha Inc.Principal Software EngineerBellevue, WA$200,000–$350,000 / yearYou own the architecture, health, and strategic technical direction across large and complex systems that span multiple teams-ensuring sound design, operational excellence, and alignment with business needs across the ecosystem. We are an intentionally small organization, designed for agility, speed, collaboration, and workability, where Principal Engineers serve as the technical authorities and go-to leaders across multiple teams and groups.
Principal Software Engineer MediaAlphaPrincipal Software EngineerBellevue, WA$200,000–$350,000 / yearYou own the architecture, health, and strategic technical direction across large and complex systems that span multiple teams—ensuring sound design, operational excellence, and alignment with business needs across the ecosystem. We are an intentionally small organization, designed for agility, speed, collaboration, and workability, where Principal Engineers serve as the technical authorities and go-to leaders across multiple teams and groups.
Principal Engineer SnowflakePrincipal EngineerBellevue, Washingtonnice to have) Familiarity with the web platform (TypeScript/JavaScript, browser APIs, WebSockets, service workers, iframe/cross-origin security models) particularly as it relates to how Python-backed apps are served and embedded in the browser. This role requires a rare combination: deep hands-on engineering expertise in Python/container runtimes, a systems architect's instinct for platform design, and the organizational influence to drive cross-team programs.
Principal Engineer, Identity Data Security and Trust SnowflakePrincipal Engineer, Identity Data Security and TrustBellevue, WashingtonYou will bridge the gap between high-level security policy and low-level system enforcement, ensuring that our perimeter controls are robust, scalable, and deeply integrated with context-aware access policy frameworks. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results.
Principal Engineer, Identity Data Security And Trust SnowflakePrincipal Engineer, Identity Data Security And TrustBellevue, WA$264,000–$379,500 / yearAS A PRINCIPAL SOFTWARE ENGINEER - IDENTITY, DATA SECURITY AND TRUST AT SNOWFLAKE YOU WILL: Architectural Leadership: Lead the design and implementation of the Data Movement Policy (DMP) framework, ensuring it can handle complex multi-cloud and hybrid environments. You will bridge the gap between high-level security policy and low-level system enforcement, ensuring that our perimeter controls are robust, scalable, and deeply integrated with context-aware access policy frameworks.
NewPrincipal Engineer, Nuclear Methods TerraPowerPrincipal Engineer, Nuclear MethodsBellevue, Washington$148,722–$193,146 / yearExperience in understanding and executing nuclear design/analysis methodologies, including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty analysis, ideally with a focus on fast-neutron reactors. TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes.
Principal Engineer -Intelligent Document & Context Grounding UiPathPrincipal Engineer -Intelligent Document & Context GroundingBellevue, WashingtonAt UiPath, we're building the next generation of enterprise AI—agents that don't just generate responses, but understand business context, reason over enterprise knowledge, and deliver trustworthy outcomes at scale. Work closely with Product Managers, Applied Scientists, Designers, and Engineering Leaders to turn ambiguous AI opportunities into production capabilities customers rely on every day.
NewSenior Principal Software Engineer, Docker and Ecosystem DockerSenior Principal Software Engineer, Docker and EcosystemSeattle, WashingtonRemote$219,000–$352,000 / yearYou will own the technical strategy for secure software delivery across all of it, defining what verifiable, tamper-resistant software delivery looks like at Docker's scale, then driving the architecture that makes it real for every developer and every enterprise customer using our products. Hands-on architectural experience with some meaningful subset of: artifact signing and verification, provenance and attestation, SBOM generation and consumption, dependency and package security, CI/CD pipeline security, base image trust, or vulnerability intelligence at scale.
NewCircularity and Extended Producer Responsibility (EPR) Advocacy Principal Engineer ToyotaCircularity and Extended Producer Responsibility (EPR) Advocacy Principal EngineerColumbia, WashingtonReporting to the Senior Manager of Advocacy, the person in this role will support the Chemical & Materials Stewardship (CMS) department's objective to provide subject matter expertise, coordinate company positions, advocate on behalf of Toyota, and communicate these efforts with Toyota business stakeholders related to circularity and EPR laws and regulations. Represent Toyota by continuously engaging with federal and state legislators and regulators to monitor, coordinate, communicate, advocate, guide, and influence development of Circularity, ELV and EPR laws and regulations related to substances or materials which are relevant to Toyota, such as plastics in vehicles or packaging.
Principal Engineer - Azure Storage MicrosoftPrincipal Engineer - Azure StorageRedmond, WA$142,800–$274,800 / yearMasters Degree in Computer Science or related technical field AND 8+ 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 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. You will partner across engineering teams to define technical direction, solve complex distributed systems problems, mentor engineers, and deliver high-quality services that operate reliably at global scale.
Principal Engineer - AI Platform & Operations Serko LtdPrincipal Engineer - AI Platform & OperationsSeattle, WA$148,000–$210,000ML Infrastructure Mastery: Expert-level knowledge of model serving (e.g., Triton, vLLM, Ray Serve) and deep experience with Kubernetes and cloud ecosystems (AWS/GCP/Azure). When you join Serko, you become part of a team of passionate travellers and technologists bringing people together, using the world’s leading business travel marketplace.
Principal Engineer, Compute Fleet Management DataBricksPrincipal Engineer, Compute Fleet ManagementBellevue, WA$264,300–$322,300 / yearMore than 20,000 organizations worldwide - including adidas, AT&T, Bayer, Block, Mastercard, Rivian, Unilever, and 70% of the Fortune 500 - rely on the Databricks Data + AI Platform to build and scale data and AI apps, analytics and agents. You must have a track record of: Leading Transformative Projects: Taking ownership of complex, cross-team, cross-layer, and multi-quarter strategic engineering initiatives from concept to execution.
NewPrincipal Engineer - Kubernetes Platform AtlassianPrincipal Engineer - Kubernetes PlatformSeattle, Washington$209,700–$273,775 / yearSuccess will be measured by sustained outcomes—not activity—including safer workloads, faster iteration, reliable services, and leverage across Atlassian. Responsibilities: As a Principal Engineer with Deep Engineer archetype in Kubernetes Platform, you will own technically complex, high-impact outcomes from problem definition through production.
Principal Engineer, Seismic CSA Integration and Oversight System OnePrincipal Engineer, Seismic CSA Integration and OversightBellevue, Washington$69–$115 / hourPerform technical reviews of work products, including seismic analysis, soil-structure interaction (SSI) analysis, and probabilistic assessments. System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Principal Engineer - Security Products, Security Visibility DigitalOceanPrincipal Engineer - Security Products, Security VisibilitySeattle, WA$235,200–$294,000 / yearEvolve the Audit Logging Platform: Lead the redesign of DigitalOcean's audit log infrastructure to support immutable, tamper-evident, compliance-grade event records with fine-grained retention controls, cross-account federation, and real-time streaming access for customers and internal security teams. Core Experience: You possess over 10 years of software engineering expertise, including 4+ years dedicated to audit logging, security telemetry, SIEM integration, or managing high-throughput data pipelines within cloud or IaaS ecosystems.
Principal Game Engine Engineer, Platform Worldscape TechnologyPrincipal Game Engine Engineer, PlatformRedmond, WashingtonYou will architect scalable physics solutions, integrate tightly with the data fabric, animation, and rendering pipelines, and drive innovation in physics-led simulation techniques to deliver responsive interactions across vehicles, environments, and all other simulation assets. With a zero-trust security framework, seamless integration with legacy systems, and robust developer tools, Worldscape empowers rapid deployment of agentic applications that drive resilience and efficiency in sectors like logistics, telecom, defense, and infrastructure.
Sr. Electrical Engineer - Federal/Design Principal K2 StaffingSr. Electrical Engineer - Federal/Design PrincipalSeattle, WashingtonPerform electrical calculations (arc flash, coordination, short circuit, voltage drop, load flow) using ETAP/SKM. The ideal candidate will have 10+ years of experience designing electrical systems for federal, ports, and/or infrastructure projects.
Principal Hardware Engineer, DC/DC Power Microsoft CorpPrincipal Hardware Engineer, DC/DC PowerRedmond, WA$142,800–$274,800 / yearTo achieve this goal, the CHSE (Cloud Hardware Systems Engineering) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. We are looking for seasoned engineers with a dedicated passion for customer focused solutions, insight and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure.
Principal Embedded Engineer - Space Systems Hubble NetworkPrincipal Embedded Engineer - Space SystemsSeattle, WashingtonFPGA Integration (Optional): Experience interfacing with or developing alongside FPGAs, including familiarity with common communication interfaces (AXI, PCIe, custom parallel buses),register-mapped peripheral access from embedded Linux or bare-metal environments, and collaborative bring-up with digital design engineers. In their previous lives, the founding team has been successful in raising $100s of millions in venture funding, developing the Amazon Sidewalk network, launching billions of dollars of space assets, and leading their teams to successful exits, both through acquisition and IPO.
Principal Firmware Engineer Microsoft CorpPrincipal Firmware EngineerRedmond, WA$142,800–$274,800 / yearRequired Qualifications: Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. Partnering with the Hardware New Program Initiative team and engineering counterparts, you will oversee the development of new hardware SKUs, ensuring compliance with BIOS/UEFI requirements, adherence to development schedules, comprehensive validation, and the successful execution of rollout plans for AI-driven, next-generation compute, and high-memory SKUs.