Job Description

Overview

We are seeking a hands-on Full Stack Engineer (contractor) to build UI and integrate with existing backend services.

Contract Details

  • Location: EU (ideally inSpain)
  • Contract Duration: One month (with high potential for extension)
  • Estimated start date: March

Key Responsibilities

Backend & Integration

  • Build and maintain integration services to call third-party APIs, including authentication, configuration, error handling, and rate limiting.
  • Normalize and structure API responses into the product's existing JSON and telemetry schemas.
  • Implement routing logic between multiple data sources.
  • Add feature flags and environment-based configuration (dev / test / prod).
  • Instrument telemetry for API performance, usage metrics, and engagement tracking.

Frontend & UI

  • Build and enhance PC-based UI co...

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