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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
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
- 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
- Start Date: Immediate
- Duration: 1 month
- Commitment: Part-time (15-20 hours/week)
- Schedule: Fully remote and asynchronous - flexible working hours
- $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
- 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
Key Skills
Ranked by relevance
ios
swift
react native
react
ai
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- Posted
- Nov 02, 2025
- Type
- Contract
- Level
- Entry
- Location
- United Kingdom
- Company
- hackajob
Industries
Software Development
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Mobile Engineering Consultant (mid-level)
2026-05-28
Full-time
Entry
Germany
IT Services
Information Technology
View Job Details
Related
Senior Backend Engineer, Trust & Safety (Actioning)
2026-05-29
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View Job Details
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Senior Backend Engineer, Trust & Safety (Actioning)
2026-05-29
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