Freelance iOS Developer (Swift / React Native) Remote | $200/hr

iOS Mobile Software Engineer (Swift / React Native)

Hourly Contract | Part-Time Remote | $200 per hour (average inclusive of bonuses)

1. About the Role

leading AI research labs

In this role, you will help design, develop, and validate coding benchmarks that reflect real-world mobile development practices — improving how AI systems learn to code, debug, and reason about complex software environments.

part-time, remote, and high-impact opportunity

2. Key Responsibilities

• Develop and validate

  iOS coding benchmarks

  in Swift or React Native.
• Curate

  tasks, solutions, and test suites

  from real-world mobile repositories.
• Ensure each benchmark includes comprehensive

  unit and integration testing

  for solution verification.
• Debug, optimize, and document code for

  performance, reliability, and reproducibility

  .
• Provide structured feedback on

  solution clarity, efficiency, and adherence

  to best iOS engineering practices.

3. Ideal Qualifications

• 3–10 years

  of professional experience as an

  iOS engineer

  (in-house or freelance).
• Proven expertise in

  Swift

  and familiarity with

  React Native

  .
• Strong background in

  mobile debugging, testing, and optimization

  .
• Exceptional attention to detail and ability to communicate

  technical reasoning clearly

  .
• Experience contributing to production-grade mobile apps or open-source projects preferred.

4. Project Timeline

• Start Date:

  Immediate

• Duration:

  1 month

• Commitment:

  Part-time (15–20 hours/week)

• Schedule:

  Fully remote and asynchronous — flexible working hours

5. Compensation & Contract Terms

• Base Rate:

  $90/hour

• Bonus:

  Additional pay per approved benchmark task (≈1 hour each)

• Median Effective Pay:

  ~$200/hour (inclusive of bonuses)

• Classification:

  Independent Contractor (via Mercor)

• Payments:

  Daily

  via Stripe Connect for completed and approved work

6. Application & Onboarding Process

1. Upload your resume

   to begin the process.
2. Complete a brief

   AI-led interview

   (≈15 minutes) discussing your background and experience.
3. Take a

   technical assessment

   evaluating real-world coding, debugging, and architectural reasoning.
4. Receive

   follow-up communication and onboarding details

   within a few days if selected.

PS: Mercor reviews applications daily. Please complete your interview and onboarding steps to be considered for this opportunity.