Lead Mobile Developer (React Native)

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 DETAILS:

Job Role: Android Developer

Experience: 6-8 years

Location: India (remote)

JOB DESCRIPTION:

1.            Handson exp in Kotlin and Android studio

2.            Good understanding of Core Java

3.            Experience in JSON parsing

4.            Experience in REST API

5.            Experience in Junit test cases

6.            Well versed in Latest Android API version.

7.            Experience in publishing apps to the App Store.

8.            Social Networking site integration

9.            Code version tool – Git and JIRA

10.          Architecture understanding - MVVM, MVP

11.          Strong analytical and debugging skills/ Unit test coverage

12.          Ability to do design and high level architecture

Who are we looking for?

1. Someone who is annoyed by the build time it takes for an application to

build and has actually done something to optimise it

1. Has good experience in building Android applications
2. Experience with the flutter ecosystem is a great plus.
3. Who likes to think in terms of software and data architecture before

opening Android studio.

1. Comfortable with managing development and deployment of applications.
2. Open and more importantly excited about learning the new technologies.

Roles and responsibilities

1. Participate and contribute in design and development of the core

components of the Filo service.

1. Ensure high quality of software development w.r.t to project

architecture, code quality, testing and deployment.

1. Implement testing frameworks and disciplines as part of every feature

development.

1. Own performance of app in production and implement/push for

implementation of systems to monitor, debug and fix an issue in

production in lowestTATpossible.

1. Advocate good engineering has the highest priority with the only exception

of value delivered to the end user.

Benefits

• MacBook Pro goes without saying
• Stock Grants and Discounts
• Flexible Working Hours
• Flexible core working hours
• Development budget (conferences, training, Udemy, language classes)
• Internal tech guilds, Hackathon and public Meetups
• A learning environment where you can extend and build upon your skills
• Great Office Location
• Regular company parties and team events

Join In

We are a team of educators and engineers who believe there is a lot that can be

done when it comes to how people learn things. We believe while a good book is a

must, so is a good experience and a good teacher but are unfortunately not well

explored.

Join us on this exploration!

Job Description :

Zorro is a new-age pseudonymous social network. Zorro has recently raised $3.2Mn seed fund and backed by prominent investors, including Vijay Shekhar Sharma, Ritesh Agarwal, Kunal Shah, and 13 other Unicorn founders along with institutional investors including 3one4 capital, 9 Unicorn Ventures, Eximius Ventures & Roots Venture's We at Zorro are looking for an iOS Developer.

Role & Responsibilities :

- Design, build and improve the mobile experiences in the identity, chat and communication business functions.

- Solve technical problems and build the next generation of products for our consumers, drivers and merchants.

- Improve the testability and maintainability of the code

- Build reusable iOS software components for interfacing with multiple applications

- Work with backend engineering teams, both within and outside the team to build robust, well-designed interfaces.

- Formulate and create clear and efficient technical documentation.

- Write code that is clear, concise, performant, tested, and easily understood by others

- Work with backend engineering teams, both within and outside the team to build robust, well-designed interfaces.

Requirements :

- 2-3 years of experience in application (iOS) development and product delivery.

- Predictability and balance of product delivery speed and quality.

- In depth knowledge of iOS apps architecture and implementation including proficiency in Swift programming, Cocoa, Xcode and the iOS SDK.

- Experience of working with iOS frameworks such as Core Data, Core Animation, Core Graphics

- Strong problem solving and analytical skills and a proven track record of being able to respond effectively to customer situations.

- A command over the technology ecosystem and ability to learn and ramp up on the latest trends.

- Experience with building products catering to millions and Knowledge of WebSockets and experience in managing libraries is a plus.

What you can expect from us :

Learning Budget: If there's a workshop, book, or event you think will help you learn, we'll cover your bill. Health insurance for you and your family.

What happens after you apply ?

• Design and build application for iOS platforms
• Writing well designed, testable, efficient code by using the best software development practices
• Responsible for working on iOS frameworks, Xcode, Swift, Rxswift, Xcode SDK Platform tools
• Responsible to work on bug fixing and improving application performance
• Create and maintain software documentation
• Stay plugged into emerging technologies/industry trends and apply them into operations and activities