Top Hybrid Software Engineer Jobs in Seattle, WA

Lead the design, development, and operation of highly available, multi-tenant data platform services on Kubernetes, including Postgres, messaging, streaming, and key-value systems. Define distributed-systems architecture, failover, disaster recovery, scalability, observability, and SLOs. Build operators, controllers, automation, and self-service APIs; lead major technical initiatives; resolve reliability risks; collaborate across engineering teams; and mentor engineers.

Independently design, build, test, and deliver production features for a scalable TLD registry platform. Develop C#/.NET and Python microservices, implement AWS-based solutions, optimize CI/CD and infrastructure-as-code pipelines, and ensure reliability through unit and integration testing. Collaborate with engineers, troubleshoot complex technical issues, and take ownership of assigned software delivery tasks.

Develop and maintain Cloudflare’s Zero Trust desktop client for Windows using Rust and platform-native APIs. Build high-performance networking and security capabilities, improve code quality, write thoroughly tested and documented code, debug complex system and network issues, contribute to technical designs, and mentor engineers. The role requires expertise in Windows internals, drivers, networking protocols, VPN technologies, and multithreaded asynchronous programming.

Design and deliver partner integrations for global pay-in and pay-out networks. Build scalable, resilient, observable services in a cloud-based architecture while using AI-assisted development. Own service health, on-call support, SLOs, incident response, technical specifications, design reviews, and architecture decisions. Mentor engineers, interview candidates, collaborate with product and operations teams, support modernization of legacy services, and help shape technical roadmaps.

Build Grow Therapy’s native Android app from the ground up as the founding Android engineer. Own architecture, developer tooling, testing, CI/CD, production releases, observability, security, and consumer-facing features. Set Android standards and technical direction while partnering with product, design, iOS, and backend teams. The role requires hands-on delivery, strategic decision-making with incomplete information, and preparation for a growing Android organization.

The role involves designing and developing core features for the Linux sensor in CrowdStrike's security platform, collaborating with teams across the company, and maintaining software quality for cross-platform delivery.

The Senior Software Engineer will design and build scalable AI/ML backend systems, develop data pipelines, and collaborate with cross-functional teams to implement ML-driven features while ensuring system performance and documentation.

Build and ship production software across Superhuman’s AI-powered productivity products. Develop features using modern web frameworks, large language models, natural language processing, and intelligent automation. Contribute to scalable distributed systems, testing, deployment, and system design while collaborating with product, design, and engineering teams. The role emphasizes mentorship, rapid growth, independent execution, and delivering reliable user experiences to millions of users.

Lead cross-functional teams to design, build, and deliver scalable enterprise software and products. Own engagement relationships, product roadmaps, architecture (APIs, microservices), CI/CD and quality practices, project planning, and mentoring of junior staff to drive delivery and continuous improvement.

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.