Remote Senior Mobile Developer (Kotlin) — Direct Staffing Placement

Are you a domain specialist skilled in Kotlin, Swift, Mobile? RemoteJob Staffing is seeking a remote Remote Senior Mobile Developer (Kotlin) — Direct Staffing Placement ($50 - $100/hour) to help train and validate frontier AI systems through structured problem authoring, rubric design, and analytical output auditing from anywhere in the US, UK, Canada, or Australia.

Day-to-Day Impact

• 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.
• Demonstrated professional or academic background in Kotlin, Swift, Mobile.
• Strong analytical reasoning and ability to articulate complex concepts clearly in written English.
• High attention to detail when reviewing technical or domain-specific documentation.
• Self-motivated and reliable within an asynchronous remote work environment.
• Significant hands-on expertise in at least one of the following mobile development tracks:

Essential Background & Expertise

• 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.
• Start Timeline & Availability
• We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding.
• Compensation Band: $50 - $100/hour
• Work Location: Remote (100% Remote / Asynchronous Flexibility)
• Available Openings: 100 open positions

Rate & Flexible Work Terms

• Compensation Rate: $50 - $100/hour (contract specialist remuneration)
• Work Arrangement: 100% Remote / Work From Home
• Eligible Remote Countries: United States, United Kingdom, Canada, Australia, New Zealand, Ireland, and South Africa
• Core Competencies: Kotlin, Swift, Mobile
• Hiring Agency: RemoteJob Staffing

Direct Application Process: Click the Apply button on this page to proceed directly to our partner application portal and submit your profile for immediate consideration.