Software Engineer Jobs in Bellevue, WA

Build and scale security tooling, automation, and AI-driven agents to detect and remediate threats. Partner with Security and Product Engineering, deploy cloud-native services, participate in design reviews, and join an on-call rotation to maintain critical security services.

Lead technical strategy and architecture for Developer Experience: build scalable build/test/delivery systems, improve CI/CD throughput, design internal platforms/APIs/SDKs/CLIs, integrate LLM/agentic tooling safely, mentor senior engineers, and drive cross-team initiatives to increase engineering velocity, reliability, and maintainability at organizational scale.

Join a small Applied Training team building Kubernetes-native research cluster and sandbox infrastructure for large-scale ML training. Design and implement cluster experiences (CLI, job schemas, operators), own Python SDKs for RL rollouts, work directly with customers and infra teams, document OSS training frameworks, and ship production-grade ML infrastructure solving distribution, scheduling, and isolation at scale.

Lead technical strategy and architecture for CoreWeave's orchestration platform (SUNK). Own critical orchestration components, drive cross-org initiatives in scheduling, quota enforcement, and hyperscale scaling. Mentor senior engineers, establish reliability and observability best practices, and ensure workloads run reliably and efficiently for large GPU ML training and inference clusters.

Take end-to-end ownership of a Kubernetes-based, multi-region data platform: architect for high availability and low latency, scale infrastructure, optimize CI/CD, implement observability and IaC, enforce cloud-native security, lead incident response, and ensure production readiness and capacity planning.

Design and implement data platforms, manage data infrastructure, develop streaming architectures, improve performance, and ensure data compliance.

Lead technical direction and architecture for Chewy's Discovery Experience platform. Build scalable customer-facing front-end web apps and APIs, integrate search/recommendation and AI systems, ensure performance and reliability, mentor engineers, and partner across product, design, data science, and SRE.

Lead design and operation of a large-scale feature store and serving systems for batch and low-latency ML inference. Drive architecture, storage and retrieval patterns, observability, on-call/incident response, and reusable feature registries while mentoring engineers and ensuring performance, correctness, and cost-efficiency.

Design, implement, and operate highly available backend services for Snap's growth notification platform across multiple channels. Own end-to-end architecture, lead multi-quarter technical roadmaps, drive large cross-functional projects, and ensure reliability, observability, cost efficiency, and incident response. Integrate upstream signals and downstream use cases, apply distributed-systems best practices, and mentor engineers to improve team effectiveness.

Senior Software Engineer focused on AI infrastructure performance insights and observability. Responsible for designing and building monitoring, instrumentation, metrics, and tooling to measure and optimize compute and platform performance while collaborating with infrastructure and ML teams.

The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.

As a Senior Software Engineer on the Developer Experience team, you will drive architectural decisions, design systems for developer productivity, mentor engineers, and enhance the platform's capabilities to improve developer workflows and system reliability.

The Staff Software Engineer leads the Developer Experience team, driving technical strategies and addressing complex developer productivity challenges at CoreWeave, focusing on building robust developer platforms and enhancing engineering processes.

Architect, implement, and optimize scalable hybrid (cloud and on‑prem) infrastructure. Lead automation, CI/CD, deployment, and IaC practices; mentor engineers; improve developer experience; collaborate with Solutions Architects, Field Engineers, and product teams to deliver integrated solutions.

Lead design reviews and architecture in a Kubernetes-native inference platform, improve latency and reliability, mentor engineers, and implement optimizations.

The Staff Software Engineer will lead the architecture and design for AI workload orchestration on Kubernetes, mentoring engineers and driving technical initiatives across teams.

Design, develop, debug, and operate highly available distributed systems across large-scale public cloud environments. Build infrastructure automation, microservices, infrastructure-as-code, validation platforms, and production-grade software. Use AI development tools and advanced prompt engineering to improve engineering productivity and reliability. Evaluate code for security and performance, resolve complex technical issues, manage technical debt, and participate in on-call operations.

Design, build, and operate production-grade analytics systems and pipelines that deliver proactive signals and insights for Sales and Client Services. Translate business needs into scalable data models, automation, and integrated workflows; embed AI/LLM capabilities responsibly; maintain reliability, testing, documentation, and metric governance to drive commercial impact and better decision-making.

Design and implement virtual CPU and memory features for Broadcom's VCF products. Work on low-level OS/kernel internals, x86_64 CPU virtualization, and related assembly/C code to enable CPU ISA updates, memory virtualization, and monitor architecture improvements.

The Principal Software Engineer will design automated ad serving systems, lead technical direction, collaborate with teams, and mentor engineers.

Design and implement solutions for managing a global server fleet, utilizing Go and Python, while working with Kubernetes and automation tools.

Responsible for architecting and developing AI security infrastructure, optimizing performance and scalability of systems, and driving innovation in a collaborative environment.

Own and operate a Kubernetes-based, multi-region data platform to ensure high availability and performance. Build and optimize CI/CD pipelines, observability, IaC, and security for data-intensive, distributed systems. Drive incident response, capacity planning, and reliability engineering for production-grade services.

The role involves designing and building automated compliance pipelines, implementing policy-as-code, and integrating security scanning into CI/CD processes to ensure compliance and secure AI infrastructure.

Develop and deliver cloud-based custom software and Java web services using TDD/BDD practices. Work with containers, ORM, modern build and CI tools, and web frameworks (Spring Boot) on collaborative teams to implement Continuous Delivery solutions for clients.