Full Stack Developer, Android and Kotlin, Remote

Job overview

The Full Stack Developer role is fully remote and pays $40–$60 per hour, with a 40-hour-per-week commitment on weekdays. Mercor connects technical talent with AI research labs; the posting describes this opportunity as contract work and states W-2 employment with Cincinnatus LLC. The engineer builds and ships native Android features while contributing to backend services, APIs, and web applications as needed. The role supports product development through technical design, code review, production support, and collaboration with Product, UX, and partner engineering teams.

What you'll do

• Build and ship features for native mobile apps, primarily Android in Kotlin
• contribute to backend services, APIs, and web applications when needed
• use AI-powered developer tools to navigate code and support quality
• participate in technical design, code reviews, and production support
• collaborate with Product, UX, and partner engineering teams. Requires 4+ years of professional software engineering experience, Android, Kotlin, and Jetpack experience, backend/API or web-app experience, and proficiency with AI coding tools such as Copilot, Cursor, or Claude. LLM-powered features, accessibility, and apps involving accounts, payments, or orders are preferred.

What we're looking for

Skills & competencies

full stack developer

remote

$40–$60/hour

android

kotlin

jetpack

mobile apps

backend services

apis

ai coding tools

copilot

cursor

claude

40 hours/week

Work arrangement

• Weekend coverage required

Benefits & perks

• Paid weekly.

Why this role

Fully remote; 40 hours per week on weekdays; paid weekly; W-2 employment with Cincinnatus LLC.

About the employer

Mercor is hiring for this role. Industry: Employment Placement Agencies. Sector: 56.