About this role
Senior Frontend Engineer API/Interface Design at 42dot. Location: Warsaw, Masovian Voivodeship, Poland. Role: designing api, implementing frontend, integrating 3D Requirements: 5+ years React and TypeScript experience, OpenAPI and schema-first tooling familiarity (Zod/JSON Schema), experience with streaming protocols and browser 3D integration, bachelor's in CS or equivalent, fluent English. Category: Software Development Seniority: Senior Level Tools: React, TypeScript, OpenAPI 3.x, Zod, JSON Schema, Server-Sent Events, WebSocket, three.js, react-three-fiber, glTF, Playwright, Cypress Commitment: Full Time Workplace: Hybrid Languages: English