Senior Platform Engineer — Go, Python, AWS, Kubernetes/EKS

Job overview

The Senior Platform Engineer role is listed in Mercer Island, WA; the posting does not specify a remote arrangement or numeric compensation. PortX builds an AI-powered data and integration platform for modern banking. The engineer builds and manages applications and tools for infrastructure and continuous deployment on PortX’s AWS-hosted Kubernetes platform. This work supports secure, highly available microservices hosting for financial institutions and helps development teams run applications on the platform.

What you'll do

• Build and manage secure, highly available cloud infrastructure using Pulumi
• engineer platform technologies
• enhance internal tooling
• update infrastructure components
• support SOC 2 compliance
• create customer-network integrations
• monitor and tune microservices
• document systems
• promote Kubernetes, Docker, and infrastructure practices
• support development teams and troubleshoot production and networking issues.

What we're looking for

Skills & competencies

senior platform engineer

go

python

aws

kubernetes

eks

docker

pulumi

gitops

soc 2

mercer island wa

portx

us citizenship required

no visa sponsorship

Work arrangement

• Weekend coverage required

Benefits & perks

• Medical, dental, and vision insurance
• 401(k)
• unlimited paid time off
• equity opportunities
• competitive compensation.

Why this role

The role combines platform engineering with infrastructure security, customer-network integrations, and support for banking technology.

About the employer

PortX is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.