Top Senior Software Engineer Jobs in Seattle, WA

As a Senior Software Engineer, you'll develop Go-based services for managing large-scale GPU data center infrastructure, focusing on automation, APIs, and monitoring tools.

The Senior Software Engineer will develop production-quality code, lead technical projects, mentor junior developers, and collaborate with stakeholders within the Broker Tech team, focusing on enhancing broker capabilities and ensuring reliable payment processes.

Build and operate a GRC platform that aggregates compliance data across systems, implements policy-as-code, automates evidence collection via integrations and agentic LLM workflows, and provides dashboards and reporting for stakeholders. Lead end-to-end projects, make architectural decisions, and ensure reliability and data integrity for audit and executive reporting.

The Staff+ Software Engineer will lead backend systems for AI products, managing complex projects and driving product enhancements while optimizing performance and reliability for a global user base.

Design and develop software solutions for data center servers, focusing on Linux kernel modifications, device drivers, and system optimizations while directly collaborating with Cloud Service Providers.

Design and implement internal full-stack web applications and services (frontend, backend, APIs, and databases). Build CI/CD pipelines and automated test suites, perform code reviews, analyze operational metrics, collaborate with product stakeholders, and own medium-to-large projects end-to-end. Develop AI-assisted internal tools in Python using LLMs and RAG to improve productivity and automation.

The Staff Software Engineer will own user-facing product areas, lead initiatives across frontend and backend, and mentor team members to enhance product quality and engineering standards.

Lead complex software projects, mentor engineers, and set technical direction at Vanta while contributing to security and compliance solutions.

The Senior System Software Engineer will develop software tools for provisioning NVIDIA chips, coordinate tool lifecycles, and collaborate with various teams.

The Software Engineer will build and scale Ads Manager, develop APIs and tools for campaign management, and ensure systems uphold safety and privacy standards.

Lead ownership of Pluralsight's Search backend: build and maintain scalable, reliable ingestion and query systems, design and analyze experiments, consume and produce platform data, collaborate cross-functionally, and participate in on-call rotation to resolve alerts and improve the system.

Build and maintain large-scale, AI-enabled solutions to automate marketing planning and operations. Design, implement, and test reliable, secure, and scalable systems; apply AI-native engineering practices, telemetry, and feedback to optimize performance and user outcomes. Collaborate with stakeholders to deliver impactful features and promote engineering best practices across the team.

Early-stage full-stack engineer to build a 0-1 procurement platform: develop front-end and back-end, ship prototypes with great UI/UX, implement API and ERP integrations, design cloud infrastructure, lead technical strategy, and work directly with initial customers.

Design, build, and operate globally distributed storage systems; own code from design to release; provision and benchmark storage hardware; model failure domains; build observability, runbooks, and automation; collaborate across teams to ensure reliability, performance, and scalability.

Design and build a proto-driven code-generation pipeline to emit Go SDKs, CLI commands, and Terraform resources. Own API service framework components end-to-end, enforce API standards, collaborate with teams on API design, improve developer experience, and mentor engineers.

Design, develop, test, and deploy Go and Python microservices for a B2B financial platform. Collaborate cross-functionally, support client onboarding and documentation, build automations, monitor system reliability, and later transition to product development or team lead responsibilities.

Lead design and implementation of developer tooling (SDKs, CLI, workflows), set API governance and technical standards, advocate developer experience across product teams, run community events and livestreams, and deliver high-impact cross-team SDK and platform initiatives to improve reliability, performance, and developer adoption.

Build and operate Go-based backend services and APIs to manage hardware lifecycle (RMA, data center operations, node repairs). Design scalable, reliable microservices, integrate vendor APIs, manage databases for operational and reporting use cases, and deploy/operate services on container platforms.

As a Senior/Lead AI Software Engineer, you will develop intelligent agents for supply chain tasks, drive architectural decisions, lead technical strategies, and collaborate across teams while mentoring engineers.

As a Senior Full Stack Software Engineer, you will design, build, and operate services and user interfaces for Nordstrom's product data ecosystem, focusing on microservices and React applications to manage catalogs and data integrity.

The role involves building core infrastructure for orchestrating intelligent agents, defining platform primitives, and ensuring systems scale and reliability. Collaboration with internal teams and end-to-end system ownership are essential.

Design and develop software solutions enhancing user experience for Governance features, contribute to open-source software, communicate technical designs, and support team quality through reviews.

As a Staff Software Engineer, you'll design and operate traffic infrastructure, lead multi-team projects, ensure service reliability, and mentor engineers while utilizing AI tools for development efficiency.

As a Senior Software Engineer at Babylist, you will develop systems for a high-volume marketplace, collaborating on advertising, commerce features, and infrastructure while leading projects and improving processes with AI-driven methodologies.

Design and develop backend services and APIs for identity resolution, optimize event-driven systems, and enhance system reliability. Mentor engineers and influence architectural decisions.