Top Platform Engineer Jobs in Seattle, WA

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Lead and architect enterprise Kubernetes platforms (EKS/GKE), automate resource management and scaling (Karpenter, ScaleOps), implement IaC and CI/CD, apply FinOps to optimize cost, improve observability, mentor engineers, and drive platform resilience and operational excellence.

Operate and maintain AWS GovCloud infrastructure (EKS, EC2, RDS/Aurora, ElastiCache, S3, IAM); manage deployments across commercial and GovCloud; build reusable Terraform modules, Helm charts, and GitLab CI pipeline templates; diagnose cross-cutting infrastructure issues; improve observability with Datadog; partner with application teams and participate in on-call rotation with full production ownership.

Volunteer senior developer to design, build, and maintain a cross-platform medical scheduling app (web, iOS, Android). Participate across the full development lifecycle: design, coding, testing, CI, deployments, code reviews, production support, incident management, and platform architecture. Attend weekly standups and commit at least four hours per week.

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.

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.

Platform Engineer responsible for building and securing cloud-native platform infrastructure. Work includes IaC, Kubernetes cluster build/maintenance (EKS/RKE2), CI/CD and GitOps automation, secure coding and vulnerability remediation, mentoring engineers, and coordinating application-to-platform integrations for DoD/Navy environments.

Lead platform reliability for a high-volume OMS: drive automation, self-healing, observability, incident management, RCA, performance tuning, and mentor support engineers while partnering with engineering and vendors.

Build and maintain cloud-native platform infrastructure and CI/CD for Navy environments. Implement IaC, manage Kubernetes clusters (EKS, RKE2), apply secure coding and vulnerability remediation, integrate applications with platform services, mentor engineers, and collaborate across teams to align technical solutions with mission needs.

Build and maintain internal developer platforms, tooling, and automation to improve engineering productivity. Implement AI-powered tooling and LLM/agent-driven workflows, create service catalogs and self-service infrastructure, partner with engineering teams to improve reliability, and reduce operational overhead through automation and improved developer experience.

Design, develop, and modernize enterprise CRM solutions using Dynamics 365 and the Power Platform. Build custom plugins, PCF controls, integrations, and Power Automate flows. Own ALM with Azure DevOps, enforce role-based security and compliance, troubleshoot production issues, and improve UX and automation in regulated environments.

The Sr. Staff Platform Engineer will lead the design and development of cloud-native internal developer platforms, focusing on AWS and AI/ML integration to empower engineering teams and streamline workflows.

Own and improve the reliability, scalability, and operational health of Gradial's production platform. Lead Kubernetes, CI/CD, GitOps, infrastructure-as-code, observability, monitoring, alerting, incident response, and operational tooling. Drive performance, cost, security, and platform readiness in partnership with engineering teams.

Design and build a centralized reliability platform and developer-facing APIs. Implement AI agents for incident triage, log/trace summarization, and recommended actions. Own projects end-to-end and collaborate with product, infra, data, and SRE teams.

Responsible for building new products, updating existing offerings, leading projects, mentoring, and ensuring quality and alignment in technical implementation. Collaborate with teams to drive projects from ideation to production.

Design, build, and maintain automation and deployment frameworks. Create Python automation scripts, custom Dockerfiles, and Helm charts; deploy and manage Helm across multiple Kubernetes clusters. Maintain configuration-as-code repos, implement CI/CD (preferably GitLab CI/CD), apply GitOps/Kustomize practices, troubleshoot platform issues, and collaborate with development teams to ensure scalable, documented platform operations.

Design, build, and extend a centralized SAP Commerce backend and custom extensions; develop resilient integrations to ERP/PIM/CRM via middleware; diagnose production issues using Commerce Cloud logs and Dynatrace; create OCC/headless APIs; contribute to design, code reviews, documentation, and Agile delivery with full ownership of platform outcomes.

Design, build, and operate enterprise-scale multi-cloud infrastructure (Azure primary, GCP, AWS exposure). Own landing zones, Terraform modules, production AKS/GKE Kubernetes, Vault secrets, hybrid networking, CI/CD pipelines, monitoring, DR, and automation (Ansible, Python/Bash). Mentor engineers, document runbooks, and collaborate with security, application teams, and leadership to ensure secure, reliable, cost-optimized cloud platforms.

The Platform Engineer will design and implement scalable compute infrastructure for autonomous vehicle simulation, utilizing cloud platforms and on-premises clusters, along with managing CI/CD pipelines and monitoring systems.

The role involves enhancing developer productivity by improving CI/CD, automated testing, and integrating AI-based tools, focusing on operational excellence and collaboration with teams.

Lead enterprise cloud architecture across AWS and Azure, design scalable multi-cloud networking and IaC (Terraform) at scale, drive large migrations, mentor engineers, support HIPAA/HITRUST compliance, and own major infrastructure initiatives and incident response.

Lead design, build, and operation of a cloud-based VDI platform (Ubuntu and Windows 11). Own cloud infra, Teleport and Okta integration, image pipelines (Packer), config management (Chef/Ansible/Terraform), security agent bake-in, audit logging/SIEM, cost governance, testing, patch cadence, runbooks, and incident response for a production VDI fleet.

As a Senior Software Engineer, you will design best practices for AI Agents, develop standards, collaborate on product opportunities, and stay updated on emerging Agent techniques.

Own and operate the Workday platform across HCM, Payroll, Recruiting, Prism, and Illuminate. Configure modules, build reports and integrations (EIB, Studio, APIs, RaaS), manage security models, tenant lifecycle, release readiness, analytics, automation, and compliance while partnering with HR, Payroll, Finance, and IT stakeholders.

Lead and mentor the platform engineering team to design, build, and maintain scalable infrastructure and tools. Collaborate with product and engineering leadership on technical roadmaps, implement Dev(Sec)Ops best practices (CI/CD, PR reviews, cloud platform management), debug complex issues, and drive hiring and process improvements to support web application infrastructure at scale.