Role Description Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: iOS Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote Role Responsibilities - Use frontier AI coding agents to complete and evaluate complex engineering tasks. - Review model-generated mobile application code for correctness, quality, maintainability, and performance. - Identify bugs, edge cases, and failure modes in model outputs. - Compare outputs from multiple frontier models and assess their strengths and weaknesses. - Apply professional engineering judgment to realistic mobile engineering scenarios. Qualifications - Must-Have: 2+ years of professional iOS engineering experience. - Experience building and maintaining production iOS applications using Swift and modern iOS frameworks. - Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools. - Ability to evaluate model-generated mobile implementations and architectural decisions. - Preferred: Experience shipping production mobile applications. Requirements - Compensation: $400 per accepted task. - Typical tasks take approximately 2–3 hours after ramp-up. - Compensation is tied to accepted work. Application Process - Upload resume. - AI interview based on your resume. - Submit form. Resources & Support - For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome - For any help or support, reach out to: support@mercor.com - Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

• Design and develop **native iOS applications** using Swift and SwiftUI • Build **guided multi-step capture workflows** with validation, sequencing, and completion checks • Develop camera-heavy experiences involving photo capture, video recording, and document scanning • Implement **offline-first mobile workflows** with synchronization and recovery mechanisms • Build robust upload systems with retries, progress tracking, and poor-network handling • Integrate backend APIs and collaborate on service contracts and data models • Implement quality validation workflows for captured media and structured user inputs • Drive architectural decisions focused on scalability, maintainability, and performance • Handle edge cases related to permissions, uploads, interrupted sessions, and media processing • Collaborate closely with Product, Design, and Platform Engineering teams

Role Description We are sharing a specialised remote consulting opportunity for experienced iOS engineers with strong coding agent experience, practical mobile engineering judgment, and the ability to evaluate complex iOS application implementations across realistic technical scenarios. This role supports current and upcoming remote consulting opportunities focused on: - iOS code evaluation - Coding-agent-assisted technical workflows - Mobile application review - UI architecture assessment - Performance analysis - Production-quality app engineering scenarios Selected professionals may use tools such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or comparable coding agents to complete, review, and evaluate mobile engineering tasks involving Swift, modern iOS frameworks, app architecture, performance, maintainability, and production readiness. Qualifications - 2+ years of professional iOS engineering experience - Hands-on experience building and maintaining production iOS applications using Swift and modern iOS frameworks - Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or comparable tools - Ability to evaluate generated mobile implementations, app architecture, UI behaviour, and performance decisions - Experience shipping production mobile applications is strongly preferred - Strong understanding of iOS app lifecycle, Swift patterns, mobile architecture, networking, persistence, testing, performance, and maintainability - Clear written communication skills and comfort documenting technical reasoning in a remote, project-based environment Requirements - A degree in Computer Science, Software Engineering, Mobile Development, Computer Engineering, Information Systems, or a related technical field is helpful - Equivalent professional experience in iOS engineering, mobile application development, app architecture, or production software development is also highly relevant Nice to Have - Experience with SwiftUI, UIKit, Combine, async/await, Core Data, XCTest, Xcode, App Store release workflows, or comparable iOS tooling - Familiarity with mobile CI/CD workflows, app performance profiling, crash analysis, accessibility standards, localization, or design systems - Experience with REST APIs, GraphQL, authentication flows, offline-first app patterns, push notifications, or analytics integration - Background in technical code review, mobile architecture review, app performance evaluation, or large-scale consumer app development - Strong comfort working in sprint-based project environments with focused technical assessment windows Contract Details - Independent contractor engagement - Fully remote and flexible scheduling - Sprint-based, project-based availability - Some project work may run in focused 12–24 hour sprint windows depending on project requirements - Compensation may reach up to $90/hour, depending on project scope, experience, and accepted work structure - Some projects may use accepted-task compensation depending on the specific workflow - Payments are made weekly via Stripe or Wise based on services rendered - Projects may be extended, shortened, adjusted, or concluded based on project needs and performance - Candidates requiring H1-B or STEM OPT sponsorship support are not eligible at this time - Work must not involve sharing confidential or proprietary information from any employer, client, or institution About the Platform This opportunity is available through 24-MAG LLC. We connect experienced professionals with remote consulting opportunities across technical, evaluation, and project-based workstreams. By submitting this application, you acknowledge that your information may be processed by 24-MAG LLC for recruitment and opportunity matching in accordance with our Privacy Policy: https://www.24-mag.com/privacy-policy

• Develop end-to-end solutions • Collaborate with other engineering teams to build and maintain customer-focused products • Ensure software excellence by combining your technical knowledge and experience with a proactive attitude • Work autonomously with the responsibility to deliver software that handles a massive volume of requests, provides high availability, and drives business impact