Full Stack Developer
Core
End-to-end ownership of Python/Node APIs and React/Vite SPAs, including payment gateway integrations, authentication flows, and production system operations.
Role type
Senior Full Stack Developer (Payments/Infrastructure)
Builds
Payment processing platforms, POS integrations, and AI voice/chat agents for merchants
Domain
Fintech / Merchant Services / Cloud Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Python, Node.js, React, AWS (ECS, ALB, S3, CloudFront, IAM), CI/CD (GitHub Actions), Cloudflare (Access, tunnels, functions), DNS/TLS/CDN management, security (auth/session/secrets), debugging, AI tool usage
Preferred skills
Payments/gateway/POS/PCI experience, observability tools, infrastructure-as-code, CRM platforms, automation tools (n8n, Zapier, Make)
Technologies
AWS, Cloudflare, GitHub Actions, React, Node.js, Python, Terraform, n8n, Zapier, Make, ChatGPT, Copilot, Cursor
Responsibilities
Own Python and Node APIs plus React/Vite SPA from end to end; Integrate payment gateways into POS and third-party platforms; Operate AWS production environment directly; Manage CI/CD in GitHub Actions; Run Cloudflare services; Oversee DNS, TLS, and CDN caching; Troubleshoot production issues; Build AI-assisted automations and agent workflows
Seniority
Senior, hands-on IC