Senior Platform Engineer; Go

Location: United States (Fully Remote), Colorado ideal

Employment Type: Full-Time or Contract

We’re supporting an early-stage Colorado startup to add ad network capabilities into their existing platform. They’re looking for a Senior Platform Engineer who can own backend services in a fast-moving startup environment.

This role is fully remote but being in Colorado is ideal, with flexibility for full-time or contract engagement. If in Colorado it would be great to come into the office in Arvada.

• Develop and own backend services written in Golang
• Take ownership of existing services and deploy them to Vercel
• Design and build new services
• Integrate and validate third-party ad and analytics platforms
• Ensure reliable ad rendering and display validation across platforms

• React Native (nice to have)

• AdMob SDK (iOS & Android)
• Google Publisher Tag (Web)
• Firebase SDK (analytics, events)
• DSP ad validation and display verification

• Hardening and deploying existing backend services
• Early ad experiences:
• Ad image requests and rendering
• Inventory management integration

• Strong experience across mobile, backend, and integrations
• Comfortable working in an early-stage, ambiguous environment
• Self-directed, pragmatic, and collaborative