iOS Mobile Engineer
Posted 4 days ago by hackajob
£90 Per hour
Undetermined
Remote
United Kingdom
Summary: Mercor is seeking experienced iOS mobile engineers proficient in Swift or React Native to contribute to high-impact AI research collaborations. The role involves developing coding benchmarks and ensuring their reliability through rigorous testing and documentation. This position offers a unique opportunity to influence the future of intelligent systems while working remotely on a part-time basis. Candidates should have a strong background in mobile engineering and a commitment to quality and best practices.
Key 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
Key Skills:
- 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
Salary (Rate): £90 hourly
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
hackajob is collaborating with Mercor to connect them with exceptional tech professionals for this role. Mercor is hiring experienced iOS mobile engineers with expertise in Swift or React Native to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems.
Key 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
Ideal Qualifications
- 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
Project Timeline
- Start Date: Immediate
- Duration: 1 month
- Commitment: Part-time (15-20 hours/week)
- Schedule: Fully remote and asynchronous - flexible working hours
Compensation & Contract
- £90 per hour plus lucrative bonus per approved task (1 task takes approximately 1 hour to complete)
- Median average pay inclusive of bonuses is £200/hr
- Independent contractor
- Daily payment via Stripe Connect
Application & Onboarding Process
- Upload your resume
- AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role
- Brief assessment testing real-world coding ability, technical depth, and debugging approach
- Follow-up communication within a few days with next steps and onboarding details