Senior Android Developer – Backend Scalability

CoreData Systems

Contract · Remote · Flexible hours

About the role

CoreData Systems is launching a greenfield SaaS product and needs an Android Developer – Greenfield SaaS Launch to shape the mobile experience from day one. You will work closely with product, design, and backend teams in a fully remote, fast‑paced environment.

Key responsibilities

• Architect and implement core Android modules for a new SaaS platform
• Integrate RESTful APIs, authentication, and real‑time data streams
• Establish CI/CD pipelines, automated testing, and code quality standards
• Collaborate on UI/UX decisions while ensuring performance and accessibility
• Document architecture decisions and mentor junior contributors

Must-have skills

• 5+ years of Android development experience
• Deep expertise in Kotlin and Java
• Proven track record building scalable, secure mobile apps
• Experience with modern Android libraries (Jetpack, Coroutines, Hilt)
• Strong understanding of REST, OAuth, and push notifications

Nice to have

• Familiarity with Compose UI
• Experience in SaaS or B2B mobile products
• Knowledge of Kotlin Multiplatform