Android Developer - Kotlin

Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration

Criteria:

• 6+ years of total software development experience with minimum 3+ years in Flutter
• Product-based company experience is mandatory (B2C scale preferred)
• Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
• Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
• Hands-on experience with platform channels and native integrations (Android & iOS)
• Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
• Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
• Strong skills in offline-first architecture, caching layers, and API integrations
• Ability to optimize video playback, downloads, DRM, and OTT workflows
• Strong command of clean code, SOLID principles, and scalable mobile system design
• Experience reviewing code and mentoring engineers (Senior IC role)

Description

Role Overview

We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.

Key Responsibilities

1. Architecture & Design (High-Impact IC Role)

• Own the end-to-end architecture of company’s Flutter mobile applications.

• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.

• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.

2. Performance & Device Optimization

• Diagnose and resolve mobile performance bottlenecks, including:

  o App startup time, FPS drops, memory leaks.

  o Heating issues, over-rendering, and expensive widget rebuilds.

  o Battery optimization, efficient network calls, caching strategy.

• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.

3. OTT-Specific Engineering

• Optimize video playback workflows for low-latency streaming.

• Implement efficient background processes for downloads, DRM, content sync, and push notifications.

4. Product & User Experience Ownership

• Collaborate closely with Product, Backend, and Video Engineering teams.

• Convert business/product requirements into high-performance technical solutions.

• Ensure UI/UX consistency across platforms while maintaining performance budgets.

5. Code Quality & Leadership

• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.

• Review code for mid-level and junior engineers; act as a mentor across teams.

• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.

Required Skills & Experience

Technical Must-Haves

• 6+ years of total experience with 3+ years in Flutter for large-scale products.

• Mandatory product-based company background (B2C scale preferred).

• Strong expertise in:

  o Dart, Flutter SDK internals

  o Bloc, Riverpod, Provider, or other state management approaches

  o Custom animations, rendering pipeline, shader-based optimization

  o Platform channels (Android/iOS) and native integrations

  o API integration, caching layers, offline-first architecture

• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.

Good to Have

• Experience with video streaming apps, OTT platforms, or media-heavy applications.

• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).

• Exposure to CI/CD pipelines, automated testing, and fastlane.

Personality & Mindset

• Product thinking, not just feature-building.

• Ownership-driven with strong ability to take strategic technical decisions.

• Comfortable working in a fast-paced 0→1 and scale-up environment.

Why Join company?

• Work on a high-growth OTT app with millions of users.

• Opportunity to own the core mobile experience end-to-end.

• Build impact-heavy features at scale with a lean, highly skilled engineering team.

### Responsibilities:

* Collaborative Development:

 - Work closely with Product, UX/UI, and Backend teams to design, build and extend consumer facing products, platforms, and features.

* Reusable Components:

 - Develop reusable iOS software components for our platform, ensuring modularity and maintainability.

* Continuous Integration and Delivery:

 - Collaborate with QA to implement CI/CD pipelines for automated and manual testing, ensuring app releases maintain high standards.

* Performance Monitoring:

 - Monitor the performance of live apps, continuously improving code quality and user experience.

* Innovation and Evaluation:

 - Stay updated with new mobile methodologies and technologies, evaluating their potential integration into our development process.

### Requirements:

* Proven Experience:

 - Demonstrated experience in developing mobile applications, specifically on the iOS platform using Swift.

* Modern Development Practices:

 - Up-to-date knowledge of modern iOS programming paradigms and experience with native app development.

* API and SDK Expertise:

 - Experience in API design, SDK architecture, and the mobile software lifecycle development practices.

* UX/UI Design:

 - Strong exposure to UX/UI design with experience in creating intuitive apps with pixel-perfect interfaces.

* Computer Science Fundamentals:

 - Solid understanding of algorithms and data structures.

* Methodologies:

 - Familiarity with SDLC and Agile methodologies.

* Startup Experience:

 - Prior experience working in a startup environment is a plus.

1. Have you used Swift in production code ? If yes please share the duration
2. Have you used RxSwift in production code? What were the common scenarios for using it ?
3. Have you used Combine in production code? What were the common scenarios for using it ?
4. Have you used GCD or Operation queues in production code? What were the common scenarios for using it ?
5. Have you used CocoaPods or Swift Package Manager for dependancy handlings in any of the projects you have worked ? What were the common scenarios for using it ?
6. Have you used any of MVVM or VIPER or any other architecture in production code? Please specify which one.
7. What size team have you been a part of? Were there interactions with designers, Product Managers and/or testers?
8. Share links of your app/s on the App Store that you have contributed to.

Key responsibilities: 

• 1-2 years experience in React-Native based app development
• 1-3 years experience in Mobile app development (React-Native + iOS)
• Hands on experience in Redux
• Knows how to embed React-Native in a native (iOS/Android) component and vice versa
• Strong hold on JS/ CSS fundamentals
• Development experience of UI (layouts, animations, etc.) 
• Experience of customizing libraries
• Good understanding of Design and Architecture Patterns 
• Strong focus on app performance

Must have:

• Experience in iOS development
• Willingness to learn and work in React Native 

Good to have:

• Experience in unit testing 

What you need to have:

• Bachelors/ Masters degree in computer science, Engineering or a related subject
• Minimum of 5 years of work experience in mobile application development
• Proficiency in Problem Solving, Data Structures, and Algorithms
• Strong knowledge of design concepts and constraints on mobile platforms
• Proficiency in Java/ Android/ Excellent in Kotlin & Flutter language
• Demonstrable experience building excellent mobile apps that are currently in Google PlayStore
• MVP/ MVVM architecture
• Firebase services
• Local databases (SQLite, firebase DB)/ORM (Green DAO, Room)
• Experience with a scalable architecture, while maintaining a hands-on role with code development
• Excellent teamwork skills, flexibility, and ability to handle multiple tasks
• Excellent analytical, problem-solving skills and Setting & following targets and timelines
• High proficiency in Android frameworks and core components
• Bug fixing

1. Build pixel-perfect UIs across Android and iOS mobile platforms.
2. Leverage native APIs for deep integrations with both platforms. 
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native. 
4. Developing and releasing complex, data-driven apps using React Native as the primary application framework. 
5. Proficiency writing Modern JavaScript, including ES6+, and JSX.
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Must be able to develop high-performance cross-platform apps using React-Native.

Senior IOS Developer: Vacancy – 1 Position Requirement – Immediate Joiner Position Summary - 3+ year of experience (C#, swift technologies) 

Job Description 

We are looking for a Swift developer responsible for the development and maintenance of applications aimed towards iOS and OS X, including mobile phones, tablets, and full-fledged computers. Primary focus will be the development of such applications and their integration with back-end services. Candidate will be working alongside with other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and creating quality products is essential. 

Responsibilities 

Design and build applications for iOS and OS X Ensure the performance, quality, and responsiveness of applications Collaborate with a team to define, design, and ship new features Identify and correct bottlenecks and fix bugs Help maintain code quality, organization and automatization 

Skills Proficient in Objective C , Swift and IOS SDK, with a good knowledge of its ecosystems Solid understanding of object-oriented programming Experience with Cocoa APIs on OS X Good knowledge of performance limits and characteristics Knowledge of memory management and multi-threading Experience with embedded databases and other system data stores Familiarity with Restful APIs to connect to back-end services Good sense of UI design and a user-oriented focus Implementation of automated testing platforms and unit tests Knack for benchmarking and optimization Understanding of Apple’s design principles and interface guidelines Proficient understanding of code versioning tools (e.g. Git, Mercurial or SVN) Familiarity with continuous integration Education: Graduate Or Above 

Experience: 3-5 years of relevant experience 

Location: Mumbai Central 

Shift Timings - Day Shift of 09:30am to 06:30pm