Senior Android DeveloperBabyBillion • kolkata, India
Senior Android Developer
BabyBillion • kolkata, India
6 days ago
Job descriptionShare business logic and UI between Android and iOS with Kotlin Multiplatform. Collaborate on common modules (networking, models, utils). Help shape how KMP fits into our mobile architecture going forward. Bring Figma or Sketch designs to life - pixel-perfect, responsive, accessible. Give feedback on UX flow and animations. Build reusable Compose components that make the UI scalable and beautiful. Use Git properly - branches, PRs, code reviews. Write tests where it matters (unit, UI, or snapshot). Help improve CI / CD and release automation. Keep a close eye on app performance, analytics, and crash reports. Work closely with backend, product, and design teams to ship real features. Mentor junior developers and share your best practices. Contribute to tech discussions and help steer architectural decisions. Be proactive about improving the dev experience for everyone. 3–5 years of solid Android experience. Deep knowledge of Kotlin, Android SDK, and Jetpack Compose. Good understanding of Kotlin Coroutines, Flow, and Dependency Injection Familiarity with Room, Retrofit, and other Jetpack components. Beginner to intermediate hands-on with Kotlin Multiplatform (KMP). Experience with version control (Git / GitHub or GitLab) and code reviews. Worked on iOS or cross-platform apps. Experience collaborating directly with designers using Figma or Sketch. Built or contributed to open-source Android projects. Familiar with Firebase, Crashlytics, or App Distribution tools. Played around with CI / CD pipelines (GitHub Actions, Bitrise, or Jenkins). Love experimenting with new frameworks and Android libraries. Love solving problems and learning new things fast. Care about the details that make an app feel great. Take ownership - from commit to production. Communicate well and collaborate without ego. Want to help shape the future of a growing product team. Freedom to experiment, build, and learn - we move fast and trust our engineers. Work with a team that actually cares about clean architecture and UX polish. Exposure to Kotlin Multiplatform and cross-platform mobile architecture. Opportunity to have a big impact on the product and team direction. Flexible working setup, open culture, and lots of room to grow. Assignment Round : Show us your skills through a real-world task. We’re more interested in your thought process and creativity than a perfect solution. Intro Chat : A quick conversation to get to know you better — your goals, motivation, and how you align with our culture. Technical Round : A deep dive into your expertise. Expect discussions around problem-solving, logic, and how you approach challenges. HR Round : We talk about your aspirations, growth path, and role fit — ensuring the match works both ways. Founder’s Interview : A final chat with our Founder's to align on vision, ownership, and long-term growth.
About BabyBillion
BabyBillion is India’s No.1 YouTube channel for kids, delivering fun and educational content with over 4 billion monthly views. We’re on a mission to reach 10 billion monthly views by Dec 2025 and become the world’s No.1 YouTube channel.
We are making a positive impact by creating content that not only entertains but also nurtures creativity, learning, and good values in children. Join a fast-growing company dedicated to shaping the future of kids' digital content and making a real difference in young lives globally.
About the Role
We’re a small, fast-moving team building products that actually get used — not just launched and forgotten. We care about clean design, smooth interactions, and solid engineering under the hood.
We’re now looking for a Senior Android Developer who loves crafting beautiful, reliable, and modern Android experiences. Someone who knows Compose like a friend, writes Kotlin like it’s second nature, and is curious about what Kotlin Multiplatform (KMP) can really do.
If you get excited about shipping things, learning fast, and owning your work end-to-end you’ll fit right in.
What You’ll Do
Build Awesome Android Apps
- Own features from idea to release — design, code, test, ship.
- Write clean, scalable Kotlin code using Jetpack Compose, Coroutines, and Modern Android Architecture (MVVM / MVI / Clean).
- Optimize for performance, battery life, and buttery-smooth UI.
- Integrate APIs, manage state elegantly, and make the UX shine.
Kotlin Multiplatform (KMP)
Work Hand-in-Hand with Design
Keep Things Solid
Collaborate & Lead
What You Already Know
Bonus Points If You Have...
You’ll Fit Right In If You…
What You’ll Get
Hiring Process (Quick & Transparent)
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Android Developer • kolkata, India
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