Senior Platform Engineer (AWS, K8s, IaC, Python)

PortX is a leading AI-powered data and integration company for modern banking, bringing systems together and data to life through our unified platform for modern integration, governed customer 360 data, and next-generation payments.We're in strong growth mode, with opportunities for Senior Platform Engineer for our team, working in a high-impact environment, with a great culture that's open and rewarding, so it’s a great time to join.In addition to a competitive basic salary, benefits include an attractive equity package, insurance (medical, dental, vision), unlimited PTO, and 401(k).Role overview: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.Responsibilities include: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.Technical skills required, include:Strong Troubleshooting and CodeGen AI skills (GitHub Copilot or Claude Code preferred)Familiarity with GitOps operating frameworks and best practicesCommon 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 PythonLinux Shell scripting (5+ years)Knowledge and experience working with Pulumi or TerraformCommon security best practicesYou’ll be joining an amazing team with a great culture, working on high-impact projects. You’ll fit right in with our team if you have a strong sense of ownership in your work, you value excellent customer experience, and you flourish in an environment where things move quickly.