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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.

What you need to have:

We are looking to hire a talented iOS developer to design, build, and maintain the next generation of iOS applications. Your primary focus will be developing high-end iOS applications for the latest Apple mobile devices. Your duties may include collaborating with the design team for new application features, identifying and fixing application bottlenecks, maintaining the core code, and updating applications published on the App Store.

iOS Developer Responsibilities:

• Designing and building mobile applications for Apple’s iOS platform.
• Collaborating with the design team to define app features.
• Ensuring quality and performance of the application to specifications.
• Identifying potential problems and resolving application bottlenecks.
• Fixing application bugs before the final release.
• Publishing application on App Store.
• Maintaining the code and atomization of the application.
• Designing and implementing application updates.
•  

iOS Developer Requirements:

• Bachelor’s degree in computer science or software engineering.
• Proven experience as an app developer.
• Proficient in Objective-C, Swift, and Cocoa Touch.
• Extensive experience with iOS Frameworks such as Core Data and Core Animation.
• Knowledge of iOS back-end services.
• Knowledge of Apple’s design principles and application interface guidelines.
• Proficient in code versioning tools including Mercurial, Git, and SVN.
• Knowledge of C-based libraries.
• Familiarity with push notifications, APIs, and cloud messaging.
• Experience with continuous integration.

Responsibility:

• Building user friendly Android and iOS Apps on React Native platform.
• Designing state-less components in React Native. State management with any of Redux, mobX or Flux.
• Writing modular, reusable, maintainable, well documented and fully tested code.
• Converting designs to mobile applications.
• Integrating with Rest APIs, while collaborating with Backend deve.
• Take complete ownership of the apps and change various elements/ technologies as per business need.
• Ensure optimum speed, performance, quality and responsiveness of application

Why FabHotels? Budget hotels is the largest and fastest growing segment of the Indian travel market. Despite attracting billions of dollars in last few years, online penetration in hotel bookings is still sub-20%. Supply of budget hotels is fragmented and lacks any brand of scale. At FabHotels, we’re building a millennial traveler focused budget hotel brand that leverages people, technology and processes in an asset-light, scalable model to deliver delight to consumers and segment-leading returns to asset owners. In ~4 years since inception, we have become larger than many established traditional hotel chains. Currently we have a fast growing network of 550+ hotels and 11,000+ rooms across ~50 cities pan-India.

Who? Founded by Bain & Wharton alumni, Vaibhav Aggarwal & Adarsh Manpuria,

FabHotels has raised >$35Mn. till date from leading VC firms Goldman Sachs, Accel Partners, Qualcomm Ventures. We're always looking for young, hungry & self-driven individuals, who want more than a 10-7 desk job and to make a significant contribution in creating a first-in-class Indian hospitality brand.

About the role: One key differentiator of FabHotels brand for our asset partners is bestin-class returns. While our online & offline demand teams drive higher occupancies for our partners, this role entails ownership of developing and work on react native side of application development.

Key responsibilities:

• Knows how to embed React-Native in a native (iOS/Android) component and vice versa.
• Firm grasp on JS/CSS fundamentals
• Build pixel-perfect, battery smooth UIs ((layouts, animations, etc.))across both mobile platforms
• Good understanding of Design and Architecture Patterns
• Strong focus on app performance
• Familiarity with native build tools, like XCode, Grade, Android Studio
• Good at working with third party libraries and debugging dependency conflicts
• Experience in unit testing is preferable.

Individuals who would connect best with the job requirements are those who:

• Are excited to be part of a young, dynamic team that is building a disruptive, sustainable business
• Are willing to go the extra 100 miles it takes to win in a super competitive market
• Are innovative, resourceful and comfortable with dynamic business requirements
• Fulfil below minimum criteria:

- 4+ years experience in Mobile app development.   

- Must have published at least 1 major React-Native app

- Experience with CodePush (appcenter)

- Hands on experience in Redux