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# Senior Platform Engineer - Go, Python, AWS, Kubernetes/EKS

- **Company:** PortX Inc.
- **Location:** Mercer Island, WA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Computing Platforms, Cloud Computing, Continuous Delivery, Github, Identity and Access Management, Subnetting, Python (Programming Language), Routing, Performance Tuning, Shell Script, TypeScript, Pulumi, Cloud Platform System, GitHub Copilot, Amazon ElastiCache, Claude Code, Software Troubleshooting, Amazon Virtual Private Cloud (VPC), Amazon Relational Database Service, Containerization, Kubernetes, Infrastructure Automation Frameworks, Terraform, Docker, Golang
- **Published:** October 22, 2026
- **Apply:** https://www.thejobnetwork.com/job/af1d674d-dcc7-40b0-bdc2-aece2cb14cf5/senior-platform-engineer-go-python-aws-kuberneteseks

## About the Role

* Strong Troubleshooting and CodeGen AI skills (GitHub Copilot or Claude Code preferred)
 * Familiarity with GitOps operating frameworks and best practices
 * Common AWS services (IAM, S3, EC2, RDS, ElastiCache)
 * AWS
VPC networking (subnets, routing, multi-AZ)

 * Kubernetes (5+ years) in production at scale) (preferably EKS)
 * Docker (Dockerfile best practices, Multi-stage builds)
 * Helm (including Helm chart best practices)
 * Common CI systems (GitHub Actions preferred)
 * Strong competency with Python and Go
 * Linux Shell scripting (5+ years)
 * Knowledge and experience working with IaC tools such as Pulumi or Terraform
 * Common security best practices

## Description

This position is responsible for building applications and tools to manage infrastructure and continuous deployment systems for PortX's Kubernetes-based hosting platform in AWS. The platform provides highly available and secure microservices API hosting for financial institutions using cloud-native technologies., * Build and manage secure, highly-available, cloud infrastructure using Pulumi.

 * Engineer new platform technologies using a variety of languages and tools.
 * Support and enhance our internal platform tooling.
 * Regularly update all infrastructure components to ensure platform security.
 * Ensure systems meet SOC 2 compliance.
 * Create and manage networking integrations with customer networks.
 * Perform monitoring and performance tuning of Java, Python, Go, and TypeScript based microservice applications.
 * Create documentation and diagrams.
 * Evangelize Kubernetes, Docker and infrastructure best practices.
 * Support development teams configuring applications to run on the infrastructure.
 * Troubleshoot production issues and determine the root cause using industry standard observability tools.
 * Troubleshoot networking issues using industry standard tools.
 * Collaborate across a variety of technology disciplines in a fast-moving environment., This is a chance to join a fast-growing company at the forefront of AI-powered banking integration and data innovation. You will work in a collaborative, high-impact environment where your technical expertise and customer-facing skills directly influence business growth and customer success. At this stage, ownership isn't a talking point - it's the job. You'll drive your space end to end, which means your time and availability flex with what the work actually needs, not a fixed clock. If that type of environment is energizing rather than exhausting, you'll thrive here.