Fullstack Developer

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.

Job Description:

Responsibilities –

Ensure effective Design, Development, Validation and support activities in line with client needs and architectural requirements.,- Ensure continual knowledge management.,- Adherence to the organizational guidelines and processes

Technical and Professional Requirements :

Minimum 3 years of experience required

Experience in developing React Native app for iOS and Android platform,

Knowledge of React Native available inbuilt UI components and the props those UI component accept,

Should have worked with major node modules such as react-native-maps, @react-native/community geolocation, offline database, etc,

Handle build for simulator and ipa/apk for UAT/Prod release with signing. (Release Management),

Should have worked and deployed iOS App

Should have worked on sqlite

Should have knowledge of database SQL ( Select and update queries)

• Design and implement cross-platform applications with Dart/Flutter using Bloc and Provider.
• Take the initiative to suggest technical improvements and direction.
• Collaborate cross-functionally with UX, marketing, product management, engineering, and leadership.
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Perform load testing, participate in code reviews, write tests, and conduct troubleshooting to ensure uptime for live systems.

• You have at least 3 years of experience working as a software engineer.
• You have at least 2 years of experience developing Android applications and deep insights into Android as an operating system.
• At least 1 year of Flutter development and should have at least 1 Flutter App live in stores.
• You have strong and validated interpersonal skills, particularly in the realm of collaborating with internal or external developer customers.
• Willingness and desire to learn new technologies and frameworks.

• Work anywhere from India
• Flexible work hours
• Growing team and opportunity to learn and do more.

• Bachelor’s or Master’s degree in Computer Science or Engineering, 
• 4-8 years of hands-on Experience in React native js  
• Develop Hybrid Apps using React Native and integrate them with back-end services.
• Navigation model in Mobile apps.
• Minimum 3yrs of exp in building React native apps for android and iOS Solid understanding of iOS and Android ecosystems.
• Must have worked on hardware integration with the apps.
• Understanding of various navigation models in mobile apps Good at debugging, testing, performance optimization.
• Interpersonal skills: good team player, ready to take challenges ability to deliver in a fast-paced environment
• Able to build and maintain awesome react native applications with good code quality
• Implement pixel-perfect UI's that match designs.
• Work with native modules when required.
• Have developed at least 1 iOS/Android app which has been deployed in both Appstore and Google Play
• Excellent understanding of solid coding skills in React Native)
• Have a good understanding of REST APIs
• Good Communication

What You Will Do:

• Your primary focus will be to implement responsive & high-quality UI and reusable code for CoinSwitch platform, with a particular focus on performance.
• You will help translate requirements and mockups into fully functioning features using frontend technologies.
• You will ensure the technical feasibility of UI/UX designs while maintaining high quality standards.
• You will collaborate timely with designers, product managers and own the front-end layer.
• You will constantly look for optimizing applications to handle high scale.
• You will keep yourself updated with the latest web technologies coming up in the market and suggest ways to implement it in our system.

What You Should Have:

• You should have 5+ years of extensive experience in Javascript.
• You should have 3+ years of experience in ReactNative based Android and IOS apps.
• You have experience writing clean, modular, object- oriented and optimized scripts.
• You are aware of Javascript design patterns and can architect a fairly complex UI.
• You have experience building a product using a mainstream library or framework (ReactNative ecosystem preferred).
• You keep pace with the ever-changing specs of cutting edge front-end technologies.

Good to Have:

• Prior experience working with fin-tech companies