Top Software Engineer Jobs in Seattle, WA

Develop scalable, secure, and reliable Azure Data services for high-volume usage billing. Design features, improve test coverage, automate deployment, monitor telemetry, maintain live services, respond to incidents, and resolve complex distributed-system issues. The role requires collaboration across engineering teams, compliance with security standards, and an active U.S. Government Top Secret clearance with SCI access and polygraph.

Develop Rust and C++ compiler features, code generation, optimizations, and AI-driven developer tools. Analyze performance across cloud infrastructure and AI services, work with proprietary and open-source compilers, support customers, and contribute across the software lifecycle. The role also involves debugging, profiling, secure software foundations, and collaboration with cross-functional teams.

Build and maintain scalable Azure cloud services supporting airgapped AKS and ACR container workflows. Develop, debug, and document software; contribute to system design, estimation, reliability, observability, and performance improvements. Serve as a designated responsible individual with on-call duties, monitoring services, responding to incidents, and improving system resilience. Collaborate with stakeholders and partner teams to deliver secure, high-quality cloud-native solutions.

Develops Windows system features and tools, including Task Manager, across application, service, and operating system layers. Owns features from architecture through deployment, monitoring, and support; writes secure, maintainable C++ code; creates automated tests; investigates complex Windows issues; and integrates telemetry, diagnostics, performance improvements, and AI capabilities.

Leads development of scalable platform capabilities, infrastructure, tooling, and AI/ML frameworks. Owns the full software lifecycle, including design, coding, testing, deployment, monitoring, and maintenance. Applies cloud-native architecture, builds AI-driven applications, conducts design reviews, mentors engineers, and influences technical decisions. Collaborates with stakeholders to define requirements, establish success metrics, and deliver resilient, observable, and scalable systems.

Develop software for complex aerospace systems throughout the lifecycle, including design, implementation, integration, troubleshooting, verification, and delivery. Collaborate with systems engineers, test engineers, and software developers in a DO-178C-driven environment. Translate software-level requirements into reliable solutions, support certification activities, debug system and lab integrations, and adapt to evolving technical priorities. The hybrid role is based in the Greater Seattle area and requires substantial professional software development experience.

Design and develop aerospace software while maintaining architectural vision. Modernize Linux-based platforms, apply RTCA DO-178C standards, define and decompose software requirements, and support verification, validation, safety analysis, systems integration, and reliable airplane network functionality. Collaborate with systems and test engineers, conduct risk and trade-study analyses, and contribute hands-on software engineering in an agile environment.

Design, build, and maintain scalable cloud services and APIs supporting partner onboarding, account enrollment, identity, authorization, security, and Partner Center capabilities. Develop secure, reliable distributed systems using cloud-native architectures, improve service availability and observability, and contribute to AI-enabled experiences and engineering automation.

Design, build, operate, and support production-grade software across the Microsoft Copilot Studio agentic runtime. Develop orchestration, grounding, memory, connectors, tool invocation, control-plane services, and real-time voice experiences. Build scalable backend services using REST, gRPC, event-driven, and service mesh architectures. Participate in CI/CD, infrastructure as code, on-call support, reliability initiatives, design reviews, and responsible AI practices.

Develop and deploy production-ready software, microservices, APIs, and AI-enabled automation for T-Mobile Core and IP network services. Automate provisioning, configuration, testing, monitoring, issue resolution, and operational workflows. Collaborate with software, network, and AI engineers; integrate IT and network platforms; support CI/CD, testing, documentation, and reliable production delivery. Apply engineering judgment to AI-generated code and contribute to intelligent operations, technology strategy, and continuous improvement.

Build and operate platform infrastructure supporting Qualtrics engineering teams. Develop Go services and Kubernetes orchestration tooling, optimize CPU and memory usage, improve service discovery, and ensure platform availability, scalability, and performance. The role includes designing containerized workload practices, collaborating with AWS and security teams, supporting large-scale infrastructure across global regions, and participating in periodic on-call responsibilities.

Build and ship AI-powered revenue software using React, TypeScript, Node.js, and Python. Own projects from conception through deployment, monitoring, and iteration while working directly with customers. Develop agent-building workflows, real-time collaboration, voice AI, simulations, evaluation systems, and monitoring tools. Improve platform performance, reliability, scalability, and agent efficiency. Collaborate closely with engineers and provide thoughtful code reviews in a fast-moving, customer-focused environment.

Develop and ship phased software projects for Affirm’s mobile card acquisition team. Collaborate with product, design, and analytics stakeholders; build web and mobile applications and scalable APIs; monitor operational metrics; support availability and on-call efforts; participate in code reviews, interviews, and team development.

Build secure, scalable AI integration platforms connecting enterprise systems, external tools, and data sources. Design backend APIs, distributed services, authentication boundaries, and agent orchestration workflows. Drive reliability through observability, SLOs, incident readiness, and performance optimization. Partner cross-functionally on technical strategy, lead architecture reviews, mentor engineers, and own delivery from design through production.

Build and ship features, services, and developer tools for large-scale distributed Azure cloud systems. Own features from design through production, write high-quality code, support services through on-call rotations, monitor and resolve incidents, investigate outages, and create operational documentation. Collaborate across Microsoft teams while integrating technologies and responsibly using AI tools throughout the software development lifecycle.

Design, implement, test, and maintain cloud-scale services for security-critical and regulated environments. Build reliable platform components, apply secure-by-design practices, troubleshoot live-site issues, and participate in 24x7 on-call rotations. Collaborate with security, operations, compliance, program management, and engineering teams while developing well-tested code and improving service reliability, monitoring, and operational excellence.

Develop and launch scalable full-stack search systems using JavaScript, TypeScript, Python, or Kotlin. Collaborate with engineers and stakeholders, balance delivery speed with system reliability, debug code, participate in code reviews, write tested and extensible software, and contribute to team growth and communication.

Build LLM-powered engineering agents that implement, test, review, and remediate code changes. Develop orchestration, tool integrations, evaluations, secure execution, and monitoring. Maintain build pipelines and internal tools, support incidents, coordinate cross-team engineering initiatives, manage releases, and report outcomes using measurable engineering and operational metrics.

Designs, develops, analyzes, tests, and maintains software systems for Boeing’s P-8 military aircraft program. Responsibilities include software architecture, requirements definition and traceability, interface design, code reviews, verification and validation, troubleshooting, risk mitigation, user documentation, certification support, and software project and supplier management. The role supports existing and emerging defense programs and requires collaboration with customers, stakeholders, and engineering teams.

Design, develop, test, deploy, and operate secure Teams Phone services in sovereign and air-gapped cloud environments. Build scalable distributed systems, improve reliability and observability, participate in on-call support, troubleshoot production incidents, and contribute to automation, CI/CD, documentation, and operational excellence. Collaborate with engineering, product, security, privacy, and SRE teams while using AI tools responsibly throughout the software development lifecycle.

Develops, tests, deploys, and operates Azure Data product features in highly secured, air-gapped environments. Responsibilities include coding, architecture collaboration, automated testing, incident response, deployment automation, security hardening, telemetry, reliability improvements, and on-call support. The engineer works with partner teams to meet performance, scalability, privacy, compliance, and government customer requirements while using AI tools throughout the software development lifecycle.

Develop Android features and platform capabilities for Uber’s autonomous mobility products. Build scalable mobile experiences, lead technical projects from inception through deployment, and collaborate with product, data science, and operations teams. Responsibilities include balancing performance and quality, establishing testing and monitoring standards, managing complex incidents, improving engineering velocity, and contributing to technical excellence across the organization.

Designs, builds, scales, and operates distributed CI/CD services supporting millions of builds, tests, and releases. Develops code for Azure-based infrastructure spanning virtual machines, containers, and custom lab environments. Responsibilities include requirements analysis, architecture and design documentation, estimation, debugging, optimization, operational playbooks, on-call incident response, monitoring, reliability improvements, and mentoring engineers.

Build and scale Salesforce’s MeshMesh networking platform through front-end architecture, implementation, testing, and delivery. Collaborate with engineering, product, UX, and performance teams; improve development processes; review designs and code; mentor engineers; and create automated testing frameworks and unit and functional tests. The role requires strong web technology expertise, React ecosystem experience, scalable application development, and use of AI coding tools.

Build and operate Azure-based platform services and APIs for containerized Agent 365, Dynamics, and Copilot workloads. Develop compute orchestration, networking, identity, isolation, scaling, and security features using Azure Container Instances, Service Fabric, and AKS. Own services through deployment and live-site support, participate in on-call incident response, and use observability data to improve reliability, performance, capacity, and cost.