iOS Mobile Software Engineer (Swift/React Native)
Mercor
Job Description
Mercor is a San Francisco-based company connecting elite professionals with cutting-edge AI initiatives. They are seeking experienced iOS mobile engineers with expertise in Swift or React Native to support high-impact research collaborations with leading AI labs. As a freelancer, you will improve AI systems by extending coding benchmarks that reflect real-world development across diverse languages and domains.
In this role, you will develop and validate coding benchmarks, curate tasks, solutions, and test suites from real-world iOS repositories, ensure benchmarks include robust unit and integration tests, and debug, optimize, and document benchmark code. This part-time contract role offers $90 per hour plus lucrative bonuses per approved task, with a median average pay inclusive of bonuses being $200/hr. Payment is made daily via Stripe Connect.
This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. You'll have flexible working hours and be part of a fully remote, asynchronous team. Leverage your software engineering skills to help build the future of AI-driven systems.
Responsibilities
- Develop and validate coding benchmarks in Swift or React Native
- Curate tasks, solutions, and test suites from real-world iOS repositories
- Ensure benchmarks include robust unit and integration tests for solution verification
- Debug, optimize, and document benchmark code to ensure reliability and reproducibility
- Provide structured feedback on solution clarity and adherence to iOS engineering best practices
Requirements
- 3–10 years of experience as an iOS mobile engineer at a top tier tech company or as a mobile freelancer
- Strong proficiency in Swift
- Experience with debugging, testing, and validating mobile applications
- Attention to detail and ability to communicate technical reasoning clearly
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