Top Engineering Jobs in Seattle, WA

Senior Software Engineer responsible for end-to-end full-stack software development, scalable API design, AWS cloud-native implementations, technical feature leadership, system-level problem solving, and continuous improvements to performance, quality, and efficiency. The role collaborates with product owners and engineers in an agile environment, translates client requirements into technical designs, and supports third-party integrations.

Develop and maintain Expedia’s high-scale checkout applications. Design server-side solutions in Java, build front-end features with JavaScript, CSS, and HTML, write unit and integration tests, conduct code reviews, mentor junior developers, and troubleshoot live production issues. The role requires strong systems design, analytical, collaboration, and problem-solving skills in an agile environment.

Build cloud-native, real-time AI-powered fraud decisioning and remediation systems. Partner with Data/ML scientists and engineering teams to integrate AI, benchmark solutions, automate operations, and monitor production services at scale.

Build and operate full-stack applications and AI-facing features for CoreWeave’s internal data platform. Responsibilities include developing TypeScript, React, Next.js, and Python services; designing APIs and relational data models; integrating analytical data platforms; deploying on Kubernetes; and owning production reliability, testing, observability, and on-call support. The role also involves collaborating with non-engineers to define processes, shipping LLM-backed applications, and evaluating AI output quality.

Build and ship full-stack software for CoreWeave’s internal data infrastructure and operational applications. Develop TypeScript, React, and Next.js frontends; Python services on Kubernetes; SQL queries and data models; and AI-enabled interfaces such as text-to-SQL tools, retrieval systems, and agents. Own scoped features through production, including testing and post-release fixes, while collaborating with senior engineers and internal users.

Designs and scales data center hardware platforms and automation across DigitalOcean’s infrastructure. Responsibilities include leading hardware design and vendor projects, developing hardware roadmaps, automating configuration and validation, troubleshooting fleet hardware as a Tier 3 escalation, supporting 24/7 on-call operations, improving firmware and hardware automation, collaborating with vendors, and mentoring engineers. The role requires deep server architecture, Linux, networking, storage, firmware, configuration management, and large-scale hardware automation expertise.

Leads the design, modeling, simulation, testing, validation, and integration of fluid and thermal systems for autonomous aircraft and ground platforms. The role applies first-principles engineering, develops system and custom models, manages suppliers, supports component sourcing, and mentors engineers. It requires deep expertise in heat transfer, fluid dynamics, thermodynamics, thermal management, testing, CAD, and aerospace or defense system development.

Serves as a technical lead for customers using CoreWeave cloud infrastructure, with emphasis on Kubernetes in high-performance computing environments. Responsibilities include designing and deploying tailored solutions, leading proofs of concept, optimizing AI/ML workloads, conducting technical reviews, advising on product strategy, collaborating with engineering teams, and representing CoreWeave at industry events.

Leads development of secure, scalable cloud platforms optimized for AI and machine learning workloads. Designs and operates Kubernetes and containerized infrastructure, builds CI/CD and infrastructure-as-code automation, and optimizes cloud performance and costs. Partners with AI teams to translate compute needs into platform requirements, promotes observability and operational stability, and guides adoption of secure, responsible AI-assisted software development practices across engineering teams.

Designs and tests analog circuits and systems for high-performance accelerometers, from architecture through verification. Responsibilities include requirements analysis, simulations, data analysis, test procedure development, design reviews, supplier coordination, and supporting new product development within schedule and budget. The role collaborates with mechanical, systems, and manufacturing teams and reports technical status to management and customers.

Design, build, and maintain high-quality native mobile applications for Expedia’s package shopping experience. Lead complex iOS or Android features from technical design through deployment, including API integration, data modeling, testing, performance optimization, monitoring, and incident resolution. Collaborate with cross-functional teams, integrate AI/ML-enabled capabilities safely, and mentor engineers on mobile development best practices, CI/CD, reliability, and code quality.

Leads the strategy, design, implementation, and operation of Expedia’s cloud platform and infrastructure. Responsibilities include Kubernetes and AWS platform engineering, infrastructure as code, CI/CD, observability, security, reliability, cost optimization, capacity planning, incident response, and cloud migration. The role contributes production code, drives cross-team adoption and technical standards, collaborates with stakeholders, and mentors engineers.

Build and maintain Layla’s cross-platform Flutter mobile applications for iOS and Android. Own end-to-end feature delivery, including architecture, API integration, data modeling, testing, performance, reliability, and release support. Collaborate with product, design, and backend teams to create accessible conversational travel-planning and booking experiences. Integrate AI/ML capabilities responsibly, contribute to native platform interoperability, improve engineering architecture and standards, and mentor other engineers.

Develop scalable backend APIs and distributed services for Expedia Group’s advertising platform. Build campaign management and optimization capabilities, improve system reliability and performance, and integrate generative AI, machine learning recommendations, and event-streaming technologies. Collaborate with product, design, data science, and engineering teams, apply automated testing and observability, participate in operational improvements, and mentor junior engineers.

Senior individual contributor who mentors junior engineers, leads complex projects, designs and tests moderately complex systems, creates APIs, debugs and monitors production services, and drives cross-team solutions and operational improvements.

Build fast, accessible, component-based web interfaces for Layla’s conversational AI travel-planning and booking experience. Translate designs into maintainable React applications, collaborate across Product, Design, and backend teams, integrate AI/ML capabilities responsibly, optimize performance and reliability, run experiments, influence frontend architecture, and mentor engineers through reviews and knowledge sharing.

Build and operate highly reliable card-issuing systems at Block, focusing on network integrations, ISO 8583 message flows, authorization, clearing, certification, mandates, and production behavior. Lead complex cross-team engineering initiatives, create conformance tooling and shared frameworks, debug protocol-level issues, collaborate directly with card networks, mentor engineers, apply AI-assisted development practices, and participate in on-call support for critical financial systems.

Designs, builds, and operates secure, scalable cloud and GPU infrastructure platforms for enterprise AI/ML workloads. Leads architecture, production coding, Kubernetes and container operations, CI/CD, infrastructure automation, performance optimization, and reliability efforts. Partners with AI/ML and platform teams to support distributed multi-GPU training and inference. Provides technical leadership while advancing responsible AI-assisted engineering, secure SDLC practices, automation, and operational excellence.

Build and operate highly reliable card-issuing systems at the network boundary. Responsibilities include interpreting specifications, protocols, certifications, mandates, and production behavior; developing production software and conformance tooling; analyzing network messages; driving certification cycles; influencing card networks; mentoring engineers; applying AI-assisted engineering practices; and participating in on-call support for critical financial systems.

Supports system-level safety engineering for the X-BAT aircraft platform by deriving and validating safety requirements, conducting hazard analyses, maintaining hazard tracking systems, developing certification evidence, and verifying mitigations. Collaborates with systems engineering, cybersecurity, airworthiness, responsible engineers, and DoD representatives on safety documentation, design reviews, risk assessments, mishap investigations, and readiness reviews.

Develop scalable web applications, data platforms, and distributed systems supporting fulfillment center operations. Build real-time data applications and integrate machine learning workflows using cloud services such as Amazon SageMaker. Write maintainable, tested code; improve CI/CD, observability, reliability, availability, and performance; and collaborate with scientists, product managers, and operations stakeholders.

Leads infrastructure and network engineering workstreams, modernizes network platforms, resolves complex technical issues, and advises on system dependencies, resilience, security, and compliance. Designs and operates routing, switching, wireless, WAN, cloud, edge, and segmentation solutions. Automates infrastructure services, validates AI-assisted recommendations, supports audits, leads architecture reviews, and mentors engineers without direct line management.

Leads software engineering for secure, scalable cloud platforms supporting AI and machine learning workloads. Designs and deploys Kubernetes-based infrastructure, CI/CD automation, infrastructure-as-code, and cloud resource optimization. Partners with AI teams on compute requirements, oversees production stability, and promotes responsible AI-assisted development practices. Provides technical guidance, code review, troubleshooting, governance, and coaching while improving engineering delivery, security, testing, and operational outcomes.

Architects, designs, tests, debugs, and supports electrical power, sensing, actuation, networking, and control systems for agricultural robotics products. Owns systems through requirements, analysis, prototyping, integration, production, and post-sale support. Collaborates with mechanical and software teams, supports contract manufacturers, leads technical decisions, and investigates root causes. Travel to customer farms and test sites may be required.

Leads architecture and development of JPMC-VPC, a software-defined networking platform replacing legacy infrastructure. Designs control, distribution, and data plane components, gateways, load balancers, and IPAM systems. Builds production software in Go, Python, Rust, or C/C++, applies cloud-native engineering, CI/CD, infrastructure-as-code, observability, and responsible AI practices, and advises senior stakeholders on networking, distributed systems, and technology strategy.