Senior Backend Engineer - AI Platform WEX Inc.Senior Backend Engineer - AI PlatformSeattle, WARemote$121,500–$145,500 / yearWe provide fleet managers and operators with advanced spend orchestration capabilities, encompassing fuel discounts and sophisticated spend controls that permit precise configuration of merchant restrictions, transaction limits, and velocity thresholds to optimize operational efficiency. Within the NAM Mobility ecosystem, our products facilitate strategic credit issuance to fleet organizations and their workforce through WEX-branded or co-branded credit instruments, accepted across a vast network of fueling stations and merchant partners.
Software Engineer II Trade DeskSoftware Engineer IIBellevue, WA$151,400–$227,000 / yearAll employees may be eligible to become The Trade Desk shareholders through eligibility for stock-based compensation grants, which are awarded to employees based on company and individual performance. The Trade Desk is a global technology company and the world’s leading independent platform for digital advertising, with nearly 4,000 employees across more than 30 offices.
Systems Integration Engineer - SME (TELECOM-West) PeratonSystems Integration Engineer - SME (TELECOM-West)Seattle, Washington$112,000–$179,000 / yearFull timeYou will support the physical and logical integration of fiber and IP‑based circuits and direct the technical work needed to move legacy copper (TDM) systems to modern fiber and IP networks across the National Airspace System (NAS). If you’re passionate about innovation, collaboration, and shaping the future of air traffic management, this is your opportunity to make a real difference alongside leaders in aviation, engineering, data science, and systems integration.
NEXCOM Senior Systems Design Engineer PeratonNEXCOM Senior Systems Design EngineerDes Moines, Washington$86,000–$138,000 / yearFull timeApplicants must have experience with site surveys, radio network configurations, racks and cable routings and have familiarity with safety and risk management issues while creating site installation engineering packages (detailed drawings, BOM, installation steps and schematics).This position will work closely with our FAA client, Peraton CAD drafters and schedulers, and third-party installation teams, and must be attentive to detail, have strong problem-solving ability and display strong communication skills. We are seeking a Design Engineer for our Next Generation Air/Ground Communications (NEXCOM) program to lead the systems engineering activities that support the design and implementation of new large-scale radio network equipment at more than a thousand FAA air traffic control centers across the United States.
Senior Computer Systems Engineer/Architect PeratonSenior Computer Systems Engineer/ArchitectHome, Virginia$86,000–$138,000 / yearFull timeResponsibilities: Peraton is seeking a Senior Computer Systems Engineer/Architect to provide virtual machine and Linux support in an enterprise-level environment, supporting the Information Technology Services Desk and Engineering Support program for a Contract at U. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
WAF Adversarial Engineer MindlanceWAF Adversarial EngineerSeattle, WA$71.42 / hourBuild and maintain a versioned WAF bypass library, organized by vulnerability class (SQLi, XSS, SSRF, path traversal, SSTI, etc.), validated against staging and production WAF configurations, and updated as platforms and rules evolve. Triage complex false positive investigations that cannot be resolved through log analysis alone — reproduce the ambiguous traffic from the attacker side and recommend targeted rule adjustments.
Senior Software Engineer, Productivity AirwallexSenior Software Engineer, ProductivitySeattle, WashingtonPowered by our unique combination of proprietary infrastructure and software, we empower over 250,000 businesses worldwide – including Brex, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Build and maintain internal developer platforms and tooling: Create scalable, reliable infrastructure services including messaging platforms, observability systems, and workflow automation tools that serve all engineering teams at Airwallex.
Staff Production Engineer (Sre) (Federal) Zscaler, Inc.Staff Production Engineer (Sre) (Federal)Bellevue, WARemote$119,000–$170,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. Partner with Engineering and Networking teams to maintain high availability across large-scale bare-metal Linux/BSD fleets, Kubernetes clusters, and custom routing stacks.
NewSoftware Engineer V PinnacleSoftware Engineer VRedmond, WA$85–$95 / hourThis position involves researching, designing, developing, and testing operating systems-level software, compilers, and network distribution software for various applications, including medical, industrial, military, communications, aerospace, business, scientific, and general computing. C++ engineer, Understand data systems, Proficient in C++, async programming and pointers; Aligns with distributed systems, Need to understand backend, scaling, horizontal scaling, hyper vizor settings, Nice-to-have Skills .
Software Engineer - Motion Planning ZooxSoftware Engineer - Motion PlanningSeattle, WA$154,000–$246,000 / yearHere at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance.
Senior Software Engineer - Database AirwallexSenior Software Engineer - DatabaseSeattle, WashingtonPowered by our unique combination of proprietary infrastructure and software, we empower over 250,000 businesses worldwide – including Brex, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Build MCP (Model Context Protocol) for safe AI agent access: Design and implement secure interfaces that allow AI agents to safely query and interact with production databases, enabling the next generation of AI-powered internal tooling while maintaining strict security and access control.
Power Field Application Engineer HumCapPower Field Application EngineerSeattle, WAThe successful candidate will support new product introductions, perform advanced diagnostics, and help deploy next-generation power solutions within data center, AI, server, and enterprise environments. Serve as the Primary Technical Resource for Customers Act as the primary technical point of contact for customers, partnering with sales and engineering teams to support strategic accounts.
Power Field Application Engineer HumCap, Inc.Power Field Application EngineerSeattle, WAThe successful candidate will support new product introductions, perform advanced diagnostics, and help deploy next-generation power solutions within data center, AI, server, and enterprise environments. Serve as the Primary Technical Resource for Customers Act as the primary technical point of contact for customers, partnering with sales and engineering teams to support strategic accounts.
Primary Heat Transfer (PHT) Component Engineer ProtingentPrimary Heat Transfer (PHT) Component EngineerBellevue, WARemote$69–$115 / hourProvide technical direction and oversight of supplier projects, working with the Contract Administrator and Supplier Project Engineer to ensure delivery of data and other deliverables, as well as coordination and performance of technical reviews of deliverables. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies .
Cybersecurity Engineer Verathon, Inc.Cybersecurity EngineerBothell, Washington$147,539–$182,000 / yearFull timeWorking closely with Software Engineering, Quality, and Regulatory teams, the Cybersecurity Engineer ensures that Verathon's products are designed and documented to satisfy regulatory expectations throughout the product lifecycle, from initial design through post-market sustaining activities. Own the engineering interface during penetration testing and other third-party security engagements: lead scope clarification, environment setup, and technical Q&A; assess design impact of findings; define remediation technical approach and support retest readiness.
Mobile Engineer III, iOS – InsurTech ExpediaMobile Engineer III, iOS – InsurTechSeattle, WashingtonYou will work closely with product managers, designers, backend engineers, and insurance partners to bring new offerings to market and expand existing products across Expedia Group brands and global points of sale. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.
Process Engineer III, Global MSAT Just-Evotec BiologicsProcess Engineer III, Global MSATRedmond, WashingtonThe selected candidate in the role of Process Engineer III as part of the GMSAT Process Engineering Team will lead the design, development and procurement of new equipment and technologies for the Just-Evotec manufacturing network working closely with key stakeholders. The role may also provide person-in-plant support for both Just-Evotec sites and client sites, lead cross functional groups to generate regulatory submission documentation, and provide support for regulatory and site inspections.
Network Specialist University of WashingtonNetwork SpecialistSeattle, WashingtonBachelor’s Degree in Telecommunications, Data Networking, Computer Science, or related field and three (3) or more years of progressively responsible experience in network engineering, network operations, or large-scale network troubleshooting in a complex environment. The University of Washington relies on enterprise wired network infrastructure to support teaching, learning, research, clinical care, and administrative operations across multiple campuses, UW Medicine sites, and remote locations.
Hardware R&D Validation Engineer ProtingentHardware R&D Validation EngineerBellevue, WAAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies . First-Article Platform Bring-up: Lead the initial power-on and functional verification of prototype boards (PCBA); troubleshoot power sequencing, clocks, and basic communication interfaces.
Technical Account Manager Support, Cyber Security, AI DLP, Remote Planet Green SearchTechnical Account Manager Support, Cyber Security, AI DLP, RemoteSeattle, WashingtonRemoteTheir solution delivers smarter, simpler, and more precise protection across SaaS applications, generative AI tools, hybrid endpoints, cloud storage, and complex enterprise environments. 6+ years of experience in Technical Account Management, Customer Success Engineering, or a similar post-sales technical role at a B2B SaaS company (startup experience strongly preferred).