Senior Full-Stack Developer

About the Role

We’re looking for a Senior Full-Stack Developer to help build and scale our core product across frontend, backend, and infrastructure. This is a hands-on role focused on shipping features, fixing bugs, building foundational systems, and helping define our long-term technical architecture. You’ll work closely with product, design, and leadership to bring complex workflows to life and execute on the exisitng JIRA backlog.

This role covers both product development and platform infrastructure. If you have overlap with mobile, NFC, or DevOps, that’s a major plus.

Tech Stack

Frontend: TypeScript, React, Redux, Material UI, Shadcn
Backend: TypeScript, Node.js, unified API design
Infrastructure: GCP (Cloud SQL, Cloud Storage, Vertex AI), Docker (local dev), Twilio, Stripe, SendGrid
AI: Google Vertex AI
Mobile: Expo
Tools: Bitbucket, Jira, Figma, VS Code (or similar)

What You’ll Work On

• Building and maintaining core product features
• Fixing bugs and improving system reliability
• Designing scalable frontend and backend architectures
• Implementing a shared design system across multiple repos
• Building hierarchical object models (e.g., Jira-like parent/child relationships)
• Implementing Stripe Connect for P2P transactions
• Building a drag-and-drop Studio Builder
• Developing field mapping UIs for integrations
• Building a simple Shopify gateway app
• Supporting NFC scanning flows
• Helping scale APIs and cloud infrastructure

Bonus Areas (Not Required, But Valuable)

• NFC authentication and secure tag workflows
• Mobile devleopment with React Native and Expo
• AI-powered search using Vertex AI
• Smart contract integrations for certificates
• GCP DevOps pipelines and cloud scaling

Qualifications

• 5+ years experience building full-stack web applications
• Strong TypeScript + React experience
• Experience with unified API and integration build outs
• Familiarity with cloud infrastructure (GCP preferred)
• Experience working in early-stage or fast-moving environments
• Strong product intuition, design, and ownership mindset