Senior Android Developer (Kotlin)

About Battlebucks

BattleBucks is a fast-growing gaming and rewards platform combining competitive gameplay, social features, and real-world rewards. Were building performance-critical Android applications at scale and are looking for a Senior Android Developer (Kotlin-first) to own and evolve our Android stack.

Role Overview

You will be responsible for designing, building, and scaling BattleBucks Android app using modern Kotlin-based Android architecture. This is a hands-on senior role with strong ownership over performance, architecture, and release quality.

Experience: 4+ years

Key Responsibilities

• Build and maintain a high-performance Android app using Kotlin
• Own app architecture using Clean Architecture / MVVM / MVI
• Implement complex product flows (wallets, tournaments, leaderboards, real-time updates)
• Work closely with Backend, Product, Design, and QA teams
• Ensure scalability, modularity, and long-term maintainability
• Optimize app performance (startup time, memory, ANRs, battery)
• Review code, enforce Kotlin best practices, and mentor juniors
• Manage Play Store releases, versioning, and staged rollouts
• Debug and resolve production issues with urgency and ownership

Mandatory Skills (Kotlin-First)

5+ years Android development

Strong Kotlin expertise (MANDATORY)

• Coroutines, Flow
• Sealed classes, data classes, extensions
• Kotlin DSLs & best practices

Modern Android stack

• Jetpack (ViewModel, Navigation, Room, WorkManager)
• Jetpack Compose or XML (Compose preferred)

Architecture

• MVVM / MVI / Clean Architecture
• Multi-module project setup

Networking

• REST APIs, JSON
• Retrofit / OkHttp

Strong understanding of:

• Android lifecycle & threading
• Background execution & permissions
• Memory management & performance tuning

Git, CI/CD pipelines (GitHub Actions, Fastlane, etc.)

Good to Have (Big Plus)

• Experience in gaming / real-time/social apps
• Firebase (Crashlytics, Analytics, Remote Config, FCM)
• WebSockets / real-time data handling
• App security & secure storage
• Play Store policy compliance & rollout strategy
• Experience working with Unity or game SDKs
• A/B testing, feature flags, remote config-driven apps

What Were Looking For

• Kotlin-first mindset (not Java-heavy Android)
• Strong ownership & problem-solving attitude
• Performance-focused engineering
• Comfortable working in a fast-moving startup environment
• Passion for gaming or consumer apps

What We Offer

• Competitive salary (startup + growth upside)
• Ownership of core Android architecture
• Work on high-scale, performance-sensitive features
• Direct impact on product & user experience
• Modern tech stack & strong engineering culture
• Work From Office Gurgaon (collaborative setup)