Lead Platform Engineer

UPSIDE

Go

GCP

K8s

About this role

The role leads engineering for a shared card-platform component that enables alliance partners to launch corporate-card services using an existing payment foundation. Its design must account for public APIs, a dual multi-tenant structure, and credit-card audit and security requirements. The engineer leads system design, development, testing, release, and operation. Day-to-day work includes platform implementation, code review, testing, performance tuning, vulnerability response, and security-specification decisions. The stack is Go, gRPC/REST, PostgreSQL, GCP, Kubernetes, Pub/Sub, Terraform, Grafana, New Relic, GitHub Actions, and Argo CD. Developers also adjust infrastructure settings and contribute to organizing workflows for AI-driven development. Required experience is approximately three or more years designing, developing, and operating web applications or APIs, using any programming language. Candidates also need experience with specification or requirements definition and design, practical development reviews, and hands-on Agentic Coding using tools such as Claude Code, Codex, or Devin.

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