Frontend Engineer (Blockchain)

TL;DR

Frontend Engineer (Blockchain): Lead development of a Developer Platform Console web interface using React and TypeScript with an accent on developer experience, authentication, billing flows, and production quality. Focus on building scalable dashboards, key management, analytics, and integrating blockchain-related features.

Company

Cutting-edge cryptography startup focused on privacy-preserving blockchain infrastructure using Fully Homomorphic Encryption (FHE).

What you will do

• Own the Developer Console UX from design to deployment, including dashboards, key management, analytics, and documentation.
• Implement authentication and billing flows with Auth0 and Stripe.
• Develop partner-ready features like wallet-based ownership proof and webhook integrations.
• Create a lightweight design system and reusable component library.
• Ensure production quality with Playwright E2E tests, CI reliability, and feature flags.
• Collaborate with Developer Platform and Developer Relations teams to embed live examples and documentation.

Requirements

• Must be located within ±4 hours of UTC.
• 5+ years experience shipping production React and TypeScript applications.
• Strong developer UX skills to simplify complex workflows.
• Hands-on experience with Auth0/OIDC and Stripe billing flows.
• Proven testing discipline with Playwright or similar frameworks.
• Excellent communication and ability to work asynchronously with distributed teams.

Nice to have

• Experience with Cloudflare Pages/Workers or modern static/edge hosting.
• Familiarity with MDX, OpenAPI, or Redoc for developer documentation.
• Experience with PostHog, Sentry, or feature flag systems.
• Understanding of Web3 and EVM basics.
• Exposure to API gateways or developer portals.

Culture & Benefits

• Competitive salary €70,000–€110,000 plus equity.
• Fully remote within ±4h UTC.
• Regular in-person offsites for collaboration.
• Professional development and home office stipends.
• Opportunity to shape next-generation privacy-preserving blockchain infrastructure.