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Senior Mobile Developer

Pay
Pay not listed
Where
Remote · Remote (ASAP)
Type
Contract
Eligibility
Country eligibility not stated. Check with the provider before applying.
Listing
Last verified Oct 12, 2026

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Overview

Create difficult mobile-engineering reinforcement-learning tasks, with reproducible environments and reference solutions.

Responsibilities

  • Use preferred repositories to build realistic challenging tasks involving subtle bugs, substantial features, state/lifecycle management or performance.
  • Tasks may use TypeScript/JavaScript/Dart cross-platform apps, Swift iOS apps or Kotlin Android apps.
  • Specify each problem, create a reproducible environment and deterministic verifiers accepting different valid solutions while rejecting wrong, incomplete or hard-coded approaches.
  • Write a golden reference solution for each task.

Preferred

  • Strong hands-on expertise in at least one track: React Native with TypeScript/JavaScript, Flutter with Dart, iOS Swift with SwiftUI/UIKit, or Android Kotlin with Jetpack Compose/View system.
  • Deep mobile architecture, state management, asynchronous programming and lifecycle understanding.
  • Proven complex-app debugging and performance improvement experience.

Engagement and pay

  • Output-based pay for tasks meeting specifications; per-task rate is not stated. No hourly amount is represented.
  • Remote contractor, approximately 15 hours/week. Minimum weekly submissions are communicated at onboarding.
  • Roles are typically filled within 48 hours; immediate availability sought. If selected, first tasks expected within 24-48 hours after onboarding.
  • Contract duration is not stated.

Eligibility

  • Country eligibility is not stated. Remote does not establish worldwide eligibility.

Skills

  • kotlin
  • swift
  • mobile