FULL-STACK DEVELOPER (EARLY CAREER)

Role Overview

Full-Stack Developer (Early Career) at Costmine Intelligence. You’ll be the second product-focused full-stack developer, working with a senior to build and evolve the user-facing layer of costmine.com, starting with WOODY, the platform for analyzing mine economics and comparing investment opportunities.

Responsibilities

• Build and evolve the user-facing layer across the costmine.com portfolio (tools, reporting/benchmarking workflows, marketing surfaces, and new roadmap products)
• Develop well-scoped components, screens, and backend-for-frontend (BFF) endpoints, growing into owning small features end-to-end
• Work alongside the senior on architecture and larger technical decisions
• Ship customer-visible work with frequent pairing and code review on every PR
• Build BFF pieces that transform C# backend data for the frontend
• Collaborate with a separate backend team that owns core data infrastructure (you’ll work above their APIs)

What You’ll Build

WOODY (first 3–6 months)

• Investment comparison dashboard (side-by-side mine economics)
• Interactive cost scenario builder (UI for assumptions with real-time economic impact)
• React Router BFF: loaders, actions, and server functions to reshape C# backend data

Across costmine.com (ongoing)

• Subscription tools for mining engineers and analysts
• Reporting and benchmarking workflows
• New products in flight

Requirements

Must Have

• TypeScript and React with demonstrated shipped code (school projects, internships, side projects, or 1–3 years professional experience)
• Node.js fundamentals
• Eager to learn and iterate using feedback
• Clear communication and ability to explain work

Nice to Have

• Not explicitly stated

Remote / Location

• Remote (North American hours preferred)