Software Engineer Jobs in Bellevue, WA

Design and automate networking for large-scale compute clusters, ensuring robust and scalable connectivity across cloud resources for data and AI workloads.

Design, build, and operate scalable cloud networking and service mesh infrastructure on AWS/EKS. Lead traffic management, service discovery, Istio/Envoy deployments, API/versioning standards, IaC with Terraform, and developer tooling in Python/Go while partnering with security and application teams and mentoring engineers.

Design, build, and own backend services and APIs in .NET Core on AWS to power ContextGPT integrations. Drive partner and data-center integrations, resolve scaling challenges, improve performance and reliability, and take end-to-end ownership from design through production operations while collaborating with internal teams and external partners.

Design, build, and operate a scalable, highly available Kubernetes-powered container platform. Lead migration of core workloads to Amazon EKS, optimize container lifecycle management and networking, implement multi-region cluster provisioning and integrations (service mesh, auth, load balancing), and troubleshoot production performance to improve platform reliability and uptime.

Design, build, and operate large-scale distributed systems and data products for identity infrastructure, collaborating with various teams to enhance performance and reliability.

Lead design and ownership of scalable, testable domains in a high-scale AWS environment. Drive AI-first engineering practices, platform engineering improvements, automation of CI/CD and operational toil, perform RCA for complex incidents, mentor engineers, and make architecture decisions balancing cost, reliability, and developer experience.

Lead architecture and delivery of scalable, multi-tenant backend and full-stack services for process mining and optimization. Design Java and Python services, APIs, DB migrations, big-data integrations, security and observability. Drive API strategy, testing, SRE/incident response, mentor engineers, and coordinate cross-team architecture and customer integrations.

Design, build, and operate a Kubernetes/OCI-based container compute platform (Snowpark Container Service). Lead engineering efforts, mentor teammates, ensure reliability, scalability, observability, and on-call readiness for large-scale, multi-tenant cloud systems.

Lead development of cloud-based custom software using Java and modern web frameworks. Provide technical leadership, drive TDD/BDD practices, design web services, use CI/CD, containers, NoSQL, and ORM technologies to deliver automated cloud solutions for clients.

Lead development of VALORANT build and developer-facing platforms. Improve iteration workflows across local development, Unreal build/cook systems, CI, release infrastructure, and tooling. Drive architecture and long-term initiatives, resolve cross-system bottlenecks, collaborate with stakeholders, mentor engineers, and participate in support rotation.

Lead design and implementation of scalable test automation frameworks and test strategies. Partner with cross-functional teams to plan, estimate, and execute front-end, back-end, API, and exploratory testing. Drive V&V activities, defect tracking, root cause analysis, and maintain test plans, suites, and quality documentation to ensure compliance and traceability.

Lead a full‑stack engineering team to build AI‑augmented workflows, scalable streaming and batch data pipelines, resilient backend services, and high‑quality React frontends. Drive AI-first development, test automation, observability, technical design, mentorship, cross‑functional collaboration, and on‑call system health.

Own design, build, operate, and monitor Ventura OS cloud infrastructure: compute, Kubernetes, storage, databases, identity, CI/CD, telemetry, GPU/ML serving, and build/release systems. Drive migrations, set platform standards, ensure reliability, observability, security, and cost efficiency while partnering with application teams and mentoring engineers.

Lead test strategy and automation for Azure-based, distributed and microservices applications. Design and maintain test frameworks, integrate tests into CI/CD, execute functional and performance tests, manage test environments and data, triage defects, mentor junior testers, and champion quality within a DevOps culture.

The Staff Software Engineer will lead the development of a feature flagging and experimentation platform, collaborating with engineering teams, and building scalable infrastructure. Responsibilities include building APIs, improving system performance, and supporting junior engineers.

Design and build scalable, distributed server/cloud systems using C/C++ and C#/Java; apply ML, data/process modeling, and automation to optimize logistics and resource allocation. Collaborate in large teams, debug complex systems, and adapt quickly to new technologies.

Technical lead for the Lakebase Manager control plane: design, build, and operate lifecycle services (create/delete, wake/suspend, HA failover). Drive architecture, reliability (SLIs/SLOs), mentor engineers, write production code, lead cross-team initiatives, and ensure high standards for a distributed, reliability-critical database service.

As a Senior Software Engineer, you will drive high-impact initiatives in data engineering, mentor junior team members, and build scalable, customer-facing applications. You will collaborate with cross-functional teams to enhance product features and contribute to the team's vision.

Build and operate core storage infrastructure powering database access: implement connection pooling, query routing, automation, and observability; improve reliability, performance, and operational tooling for relational, key-value, and caching systems; diagnose and resolve production incidents; and contribute to secure database connectivity standards.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines. Own C++ runtime and C# APIs across editor, build, simulation, streaming, and playback. Optimize for low-latency, determinism, memory and bandwidth constraints, and build AI interfaces for inspecting and invoking engine state.

Build and operate scalable data pipelines and feature datasets for ads ML. Own end-to-end offline flows from event ingestion to feature-ready datasets, develop batch and streaming systems, integrate feature store with online serving, improve observability and testing, and lead architectural decisions to ensure performance, correctness, and reliability at scale.

Lead design and delivery of scalable cloud services and full-stack features for a next-generation game creation platform. Build performant front-end and backend systems, optimize cloud scalability and performance, maintain CI/CD, monitoring and databases, apply agentic AI tools in development, drive technical direction, and collaborate with AI, infrastructure, and data teams.

Responsible for defining front-end technical vision, designing and delivering user-facing features, championing UX and performance, and building a unified design system of shared components and tokens to accelerate product delivery.

Senior Software Engineer responsible for designing, developing, and integrating Salesforce solutions for T-Mobile for Business. Builds Apex and JavaScript-based UI components (LWC/Aura), configures Salesforce CPQ, integrates via REST/SOAP, optimizes performance, mentors engineers, and collaborates with cross-functional teams to deliver scalable, highly available applications.

Lead architecture and build control plane services for a petabyte-scale compute platform. Design multi-tenant resource management, intelligent scheduling, GPU and AI/ML workload orchestration, and Kubernetes operators. Drive integration with infrastructure teams, lead code reviews, set standards, and mentor engineers to deliver production-grade distributed systems.