Android Mobile Software Engineer (Kotlin)

Mercor is hiring experienced Android mobile engineers with expertise in Kotlin 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 Kotlin or React Native Curate tasks, solutions, and test suites from real-world Android 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 Android engineering best practices Ideal Qualifications 3–10 years of experience as an Android mobile engineer at a tier-1 tech company or as a mobile freelancer Strong proficiency in Kotlin 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

Mercor is a San Francisco-based company specializing in connecting elite professionals with cutting-edge AI initiatives. Our investors include Benchmark, General Catalyst, Adam D'Angelo, Larry Summers, and Jack Dorsey. Thousands of professionals across engineering, research, and creative fields have partnered with Mercor on frontier projects shaping the future of AI.