Lead React Native Developer

About the Role

We are looking for a strong iOS Developer with 3–5 years of professional experience in building scalable, high-performance native applications. The ideal candidate has deep expertise in Swift, strong architectural understanding (MVVM, MVVM-C, VIPER, Clean Architecture), experience contributing to SDKs or modular systems, and a strong foundation in clean coding principles and core computer science fundamentals.

You will take ownership of core modules, ensure high engineering standards, and build reliable, maintainable, and performant mobile systems.

Roles & Responsibilities

• Design and build scalable native iOS applications using Swift, UIKit and/or SwiftUI.

• Architect modular features using MVVM / MVVM-C / VIPER and Clean Architecture principles.

• Contribute to reusable mobile modules or SDK components with clear abstractions and API boundaries.

• Write clean, maintainable, and well-structured code following SOLID principles and best practices.

• Ensure high performance, responsiveness, and efficient memory management.

• Implement robust networking layers integrating RESTful APIs with proper error handling and security considerations.

• Identify bottlenecks, debug crashes and memory leaks, and optimize runtime performance using profiling tools.

• Maintain code quality through reviews, refactoring, and documentation.

• Support CI/CD workflows, version upgrades, and App Store releases.

Must-Have Skills

• 3–5 years of hands-on iOS development experience using Swift.

• Strong understanding of architectural patterns: MVVM, MVVM-C, VIPER, Clean Architecture.

• Experience building modular components or contributing to iOS SDKs.

• Solid understanding of OOP concepts, SOLID principles, and writing clean, extensible code.

• Strong problem-solving ability with good exposure to Data Structures and Algorithms.

• Solid understanding of concurrency (GCD, async/await), threading, and performance optimization.

• Strong knowledge of memory management (ARC), retain cycles, and runtime behavior.

• Experience writing unit tests (XCTest) and building testable systems using dependency injection.

• Proficiency with Git and modern dependency managers (SPM, CocoaPods, Carthage).

• Experience integrating RESTful APIs and working with backend systems.

• Hands-on experience with App Store submission and release processes.

Good to Have

• Experience with dependency injection frameworks (e.g., Swinject).

• CI/CD exposure (Fastlane, Jenkins, GitHub/GitLab pipelines).

• Experience profiling and debugging performance issues in production environments.

• Exposure to AI/ML integrations (CoreML, Vision, or third-party AI services).

Responsibilities:

● Design and build advanced applications for the Android platform

● Collaborate with cross-team (developers, designers, product owners, QA) to define,

design, and ship new features.

● Prepare test plans, and test cases and execute/automate them.

● Write and review unit-test code for robustness, including edge cases, usability, and

general reliability

● Problem solve and determine out-of-the-box solutions for complex technical

requirements

● Work with fellow programmers, as well as the rest of the production team, as a lead

programmer and manager.

● Must have very strong problem-solving and analytical skills.

● Application of experience and knowledge to optimise game engine deployment for

virtual reality VR in terms of memory, frame rate and performance.

● Work with emerging technologies to create new tools and systems for interactive

real-time production.

● Ensure compliance with ride requirements, including performance benchmarks and

integration with third-party ride control systems.

● Produce clean, well-documented code and maintain internal engine builds, using

Perforce and other tools to distribute builds to the team.

● End-to-End mobile development life cycle from planning to publishing

Requirements:

● B.Tech/B.E degree in Computer Science, Engineering or a related subject

● Proven software development experience and Android skills development

● Proven working experience in Android app development and have published at least

one original Android app

● Experience with Android SDK

● Experience working with remote data via REST and JSON

● Experience with third-party libraries and APIs

● Working knowledge of the general mobile landscape, architectures, trends, and

emerging technologies

● Experienced in handling both legacy code and greenfield development and can make

technical recommendations based on the needs of the project

● Solid understanding of the full mobile development life cycle.

● Expert-level understanding of object-oriented programming, threading/concurrency,

unit testing, and modern architectural design

● Excellent source control discipline and are comfortable using git flow

● Experience in 3D engine development experience within the games industry is a plus

● Hands-on with Jetpack compose is a plus.

● Scrum, agile process and adherence

● Good project management skills are a plus

● Strong expertise in Kotlin and Java

● Knowledge of Swift and Fuller is a plus

Job Description-

We are looking for a React Native Lead interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

Build pixel-perfect, buttery smooth UIs across both mobile platforms. Leverage native APIs for deep integrations with both platforms. Diagnose and fix bugs and performance bottlenecks for performance that feels native. Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things. Maintain code and write automated tests to ensure the product is of the highest quality. Transition existing React web apps to React Native.

Skills

Firm grasp of the JavaScript {​{​and TypeScript or ClojureScript}​}​ language and its nuances, including ES6+ syntax Knowledge of {​{​functional or object-oriented}​}​ programming Ability to write well-documented, clean Javascript code Rock solid at working with third-party dependencies and debugging dependency conflicts Familiarity with native build tools, like XCode, Gradle {​{​Android Studio, IntelliJ}​}​ Understanding of REST APIs, the document request model, and offline storage Experience with automated testing suites, like {​{​Jest or Mocha}​}​

• 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

We are looking for an experienced cross platform Mobile Developer with 2-5 years of building performant mobile apps on both iOS and Android platforms.  You are in top 5% of your field and are passionate about creating new products and innovative code.  We are building a solution that deploys elements of tokenization using block chain, ML driven portfolio selection and risk management, and a proprietary alternate secondary market for illiquid securities.  You would be developing and maintaining Cross platform Android and iOS applications. You will be working alongside other engineers and developers working on different layers of the infrastructure.

Key Requirements

• BE/ BTech or MTech/ Dual degree in Computer Science/ Software engineering or similar from a Tier 1 institute.
• Thorough understanding of Flutter and its core principles.
• Proficient in Dart6 Programming.
• Knowledge of Swift, Obj C, Xamarin & native build tools, like Xcode, Gradle (Android Studio, IntelliJ)
• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Familiarity with RESTful APIs, JavaScript & React Native
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Be extremely conversant in table stakes software engineering toolchain - Linux/Shell, IDE’s, Git, Debuggers, Profilers.
• Strong knowledge of UI design principles, architecture patterns, and best practices for development.
• Ability to write well-documented, clean code
• Experience launching and managing production mobile apps
• Ability to deep dive into problem-solving and build elegant, maintainable solutions to complex problems, in addition to excellent interpersonal skills.

As part of your day to day job, you’ll

1. Own end-to-end features of the app: networking, persistence, business logic, and

UI

2. Use Kotlin (primary) and Java

3. Do reactive programming using RxJava2

4. Follow Model-View-Intent architecture to build UI of the app

5. Use Android Architecture Components

6. Write tests

7. Invent awesome Android stuff to make your job easier

Qualifications

1. Motivation to design and build reliable, elegant apps

2. 3 - 5.5 years of android application development experience

3. Proficiency in Java and experience in Kotlin

4. Familiarity with RxJava2, Dagger2, OkHttp, Retrofit, Android Architecture

Components

5. Familiarity with material design

Responsibilities

• Build pixel-perfect UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Maintain code and write automated tests to ensure the product is of the highest quality.

• 1- 3 years as a professional software developer.
• Experience with React, React Native and Redux
• Experience with at least one native mobile platform (bonus points if you moved to React Native from iOS or Android development).
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax. Knowledge in TypeScript is a plus point.
• Knowledge of functional and object-oriented programming.
• Familiarity with native build tools, like Xcode & Android Studio.
• Understanding of REST APIs, the document request model, and offline storage.