Top Staff Software Engineer Jobs in Seattle, WA

Design, implement, operate, and scale critical backend services, including identity, social graph, and persistence systems. Collaborate across teams to deliver product solutions, ensure availability and operational excellence, test and debug code, and participate in incident resolution. The role requires technical leadership, distributed-systems expertise, and effective use of AI development tools while maintaining security, performance, and production-quality standards.

Own the architecture and technical direction of a high-volume recognition platform spanning edge ingestion, identity resolution, real-time decisioning, notifications, and operator tools. Lead streaming pipeline design, privacy and consent models, observability, reliability, testing, progressive delivery, RFCs, cross-functional alignment, and mentorship. Build systems that combine deterministic rules with probabilistic computer vision signals under physical-world deployment constraints.

Lead technical strategy and architecture for Growth Engineering platforms. Build scalable backend infrastructure, distributed services, real-time data systems, AI-native capabilities, and reliable automation workflows. Partner cross-functionally to solve ambiguous business problems, mentor engineers, and deliver high-impact solutions from design through production.

Leads technical direction for patient-facing mobile and web applications, including architecture, development practices, and mobile strategy. Builds and ships engagement, onboarding, triage, and retention features in partnership with product, design, clinical teams, and patients. Mentors engineers, prototypes rapidly using AI tools, and helps shape product direction for patient engagement and care experiences.

Lead frontend technical strategy for Affirm’s checkout decision orchestration systems. Design and architect scalable web applications, guide major technical initiatives, improve reliability and operational processes, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on building fast, clear, and reliable checkout experiences using modern declarative UI frameworks.

Leads the architecture, implementation, and operational excellence of DevOps, CI/CD, build, release, and developer productivity platforms for next-generation infotainment systems. Designs scalable embedded Linux build pipelines, automates releases, improves observability, builds self-service tooling, and drives cross-functional initiatives. The role mentors engineers, influences technical direction, and advances software delivery reliability and developer velocity across multiple vehicle programs.

Lead the design, development, and operation of integrations and API products. Establish standards for API contracts, authentication, authorization, versioning, reliability, observability, documentation, and developer experience. Drive cross-team system architecture, production readiness, scalability, security, and resilience while mentoring engineers and aligning technical decisions with product and business goals.

Leads development of resilient, scalable features across Toast’s enterprise Sports and Entertainment platform, including backend, frontend, and POS systems. Responsibilities include designing, deploying, testing, monitoring, and maintaining production services; leading complex technical projects; collaborating with Product, Design, Customer Success, Sales, and other teams; mentoring engineers; and using AI tools to improve development productivity.

Build and architect Clear Street Active, a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional teams on large-scale initiatives while emphasizing scalability, performance, API quality, maintainability, and developer experience.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Lead complex card payments acquiring projects from design through production, building and operating highly reliable systems. Apply deep ISO 8583 and card-network expertise to routing, authorization, capture, clearing, settlement, reconciliation, and processing costs. Write production code, develop certification tooling, debug payment messages, establish reusable standards, mentor engineers, use AI coding agents responsibly, and participate in on-call support for critical financial systems.

Lead technically complex card payments projects from design through production while writing and operating highly reliable financial systems. Analyze ISO 8583 messages, network mandates, routing, authorization, clearing, settlement, and processing costs. Build production code, testing and certification tooling, shared frameworks, and operational capabilities. Provide technical direction, mentor engineers, participate in design reviews and incident response, and establish safe patterns for AI-assisted engineering on critical payment systems.

Build scalable, privacy-safe advertising signals and measurement systems for Snap’s ad platform. Lead end-to-end software and infrastructure initiatives involving signal ingestion, identity matching, data pipelines, measurement, and advertiser ROI analysis. Provide technical direction across teams, optimize availability, scalability, performance, security, and cost, and collaborate with product, machine learning, and advertising partners. Mentor engineers and apply modern AI-assisted development practices while delivering reliable production services.

Lead end-to-end development of reliable care-agent tooling and software services integrating contact-center platforms with backend systems. Own architecture, performance, security, production operations, and technical direction while partnering with product, care operations, QA, and engineering teams. Translate operational workflows into scalable solutions, mentor engineers, and improve tools using agent feedback, operational metrics, and AI-assisted development practices.

Lead technical vision and strategy for Affirm’s Cards backend engineering organization. Architect scalable and reliable platforms, guide cross-team initiatives, champion AI adoption and engineering excellence, influence technical roadmaps, and mentor engineers through Staff level. The role requires strong architectural expertise, organizational leadership, project management, communication, and cross-functional collaboration.

Lead technical execution and architecture for the Loyalty product. Own roadmap, design distributed services and APIs, ensure reliability/observability, integrate with ZMP and AthenaOS, build and coach engineering teams, and drive cross-team delivery of scalable multi-tenant loyalty capabilities.

Set technical direction for Toast’s Developer Experience platform, including local development, build tooling, shared libraries, testing frameworks, and developer portals. The role combines hands-on software engineering with architecture, cross-team technical leadership, AI-assisted development, developer productivity measurement, mentorship, and roadmap prioritization.

Lead architecture and engineering for a new Provider Onboarding team. Build scalable, database-backed systems and custom tools supporting pricing, payments, client panels, and forms. Establish engineering practices, mentor senior engineers, guide cross-functional delivery, and oversee the full software development lifecycle from planning through post-launch maintenance. The role requires healthcare systems experience and ownership of complex, reliable products.

Lead the technical direction of Samsara’s shared geospatial platform. Build scalable data ingestion and processing pipelines, map data models, spatial APIs, map-matching and routing foundations, and reusable platform capabilities. Scale storage, querying, and computation for real-time features, consolidate team-specific solutions, mentor engineers, lead cross-team technical projects, and represent the company in the geospatial community.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Develop and maintain full-stack internal software tools used across Shield AI. Responsibilities include gathering and refining requirements, architecting robust solutions, deploying internal applications, and maintaining existing tooling. The role requires collaboration with multiple teams and may involve projects ranging from aircraft physics analysis to ticket tracking systems.

Design, build, and improve scalable backend systems, including REST APIs, microservices, data-processing pipelines, and distributed job systems. Write secure, maintainable, high-performance code; contribute to engineering standards and tooling; practice test-driven development; debug production issues; and participate in on-call rotations. The role requires experience with highly available distributed systems, scalable backend APIs, technical leadership, and solving ambiguous, high-impact problems.

Owns the architecture, automation, security, reliability, and operation of AWS cloud infrastructure. Responsibilities include infrastructure-as-code, CI/CD, backup and disaster recovery, data architecture, observability, security guardrails, workflow automation, distributed-systems troubleshooting, and AI DevOps practices. The role partners with engineering, security, and compliance teams to improve platform reliability, developer velocity, and responsible operation of AI-enabled systems.

Lead development and modernization of cloud-native Java and Spring Boot services on AWS. Drive migration from legacy systems, event-driven architecture, automated testing, documentation, production reliability, and secure API design. Build and operate production AI agents using Amazon Bedrock and related frameworks, with evaluation, guardrails, observability, cost controls, and human oversight. Mentor engineers, lead technical direction and code reviews, improve delivery practices, and collaborate across teams on customer data and enterprise applications.

Lead the architecture and implementation of Docker’s AI Gateway, including model and tool routing, MCP, control-plane systems, credential vaulting, policy enforcement, observability, analytics, caching, and rate limiting. Solve complex distributed-systems problems, establish technical direction, improve infrastructure, mentor engineers, and shape product strategy. Build secure, scalable services supporting model orchestration, agent evaluation, replay, and enterprise-grade governance.