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Posted 12 days ago

Senior Mobile Developer

@ Great Value Hiring

Canada

Contract
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Overview

Great Value Hiring is hiring a Senior Mobile Developer on contract to create challenging mobile coding tasks for frontier AI models. The work covers building reproducible environments, writing deterministic verifiers and providing reference solutions across React Native, Flutter, Swift and Kotlin. Pay is $50 to $100 per hour and compensation is output-based, paid per task that meets project specifications.

Responsibilities:

  • Create challenging mobile coding tasks for frontier AI models
  • Build reproducible environments and deterministic verifiers
  • Provide reference solutions for each task
  • Develop tasks in cross-platform, iOS or Android stacks

Requirements summary:

  • Significant hands-on expertise in one mobile track
  • Deep knowledge of mobile architecture and state management
  • Proven ability to debug and optimize mobile applications

Tools & skills

Source and dates

Source type not verified · apify-linkedin

Employer posting date
2026-10-30
First seen by our source
2026-11-11
Source record updated
2026-11-11

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

Great Value Hiring

FieldValue
Open jobs on Jobsy5
Job description
Senior Mobile Developer [$50 - $100/hour]

Scope of Work

  • Create realistic, interesting, and extremely challenging mobile coding tasks for frontier AI models using your preferred repositories
  • Design problems that require strong mobile engineering skills, such as tracking down subtle bugs, building non-trivial features, handling application state and lifecycle, or improving performance
  • Develop tasks relevant to your expertise: cross-platform applications using TypeScript, JavaScript, or Dart; iOS applications using Swift; or Android applications using Kotlin
  • For each task, define the problem, build a reproducible environment, and write deterministic verifiers that accept correct solutions across different valid implementations while rejecting incorrect, incomplete, or hard-coded approaches
  • Provide a reference solution showing how the task can be solved

Preferred Qualifications

  • Significant hands-on expertise in at least one of the following mobile development tracks:
  • Cross-platform: TypeScript or JavaScript with React Native, or Dart with Flutter
  • iOS: Swift with SwiftUI or UIKit
  • Android: Kotlin with Jetpack Compose or the Android View system
  • Deep understanding of mobile application architecture, state management, asynchronous programming, and application lifecycle
  • Proven ability to debug complex mobile applications, resolve bugs, and deliver effective performance improvements

Compensation Structure

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert s experience and workflow. Minimum weekly submission requirements apply and will be communicated during onboarding.

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