React Native Intern

iOS Engineer – AI Platforms & Immersive Experiences

Company: Jio Reality Labs

Location: Navi Mumbai, India

Job Type: Full-Time

Job Summary

Jio Reality Labs is looking for a skilled iOS Engineer to build high-performance, scalable mobile

applications for AI-driven, real-time, and immersive platforms used by millions of users. This role

focuses on creating intuitive, responsive, and visually rich iOS experiences for AI/ML dashboards,

real-time analytics, and AR/VR-enabled applications.

Responsibilities

1. Mobile Application Development

 Build and maintain scalable, high-performance iOS applications using modern development

frameworks and tools.

 Develop intuitive user interfaces for AI/ML workflows, real-time analytics dashboards, and

enterprise tools.

 Translate product requirements and UX designs into clean, maintainable, and reusable code.

2. Real-Time & Data-Driven Interfaces

 Implement real-time UI updates for streaming data, live metrics, and system monitoring

dashboards.

 Work with APIs and WebSockets to render low-latency, data-intensive views.

 Ensure smooth user experience under high-traffic and high-data-volume scenarios.

3. UI/UX & Performance Optimization

 Optimize mobile application performance for speed, responsiveness, and scalability.

 Ensure compatibility across iOS devices, screen sizes, and OS versions.

 Collaborate closely with designers to deliver polished, immersive user experiences.

4. Platform & Architecture

 Design mobile architecture that supports modularity, scalability, and long-term

maintainability.

 Implement state management, reusable components, and modular libraries to support

complex applications.

 Contribute to mobile development standards, best practices, and reusable design systems.

5. Collaboration & Delivery

 Work closely with backend, AI/ML, data engineering, and platform teams to integrate APIs

and workflows.

 Participate in code reviews, sprint planning, and technical design discussions.

 Support CI/CD pipelines and production deployments.

Required Skills & Qualifications

 Strong experience in iOS development using Swift (preferred) or Objective-C.

 Hands-on experience with UIKit and/or SwiftUI, and modern iOS architecture patterns

(MVVM/MVC).

 Solid understanding of mobile UI principles, Auto Layout, and responsive design.

 Experience consuming REST APIs and working with real-time data (WebSockets, streaming).

 Familiarity with performance optimization techniques and debugging tools (Instruments,

Xcode tools).

Preferred Skills

 Experience building dashboards or data-intensive mobile applications.

 Familiarity with data visualization frameworks.

 Exposure to AR/VR or graphics-intensive interfaces (ARKit, RealityKit, Metal).

 Experience with design systems, component libraries, and accessibility standards.

 Understanding of cloud-based deployments and CI/CD workflows.

• 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

We are looking for an experienced IOS developer with a track record of developing Mobile applications, user-friendly and high-performing applications.

Experience:
2-3 years of experience in iOS Development

Job Location:
Lucknow

Skills Required:
Programming Languages: Swift ,Objective C, Cocoa, XML, JSON
Operating Systems/Development Platforms: MAC, iOS all versions

Roles and Responsibilities :

• Experience in various aspects of the Agile SDLC including application development
  (application structure, operating system APIs, debugging, performance, security) and
  deployment.
• Experience with rest APIs, offline storage, and threading.
• Strong experience in memory management, performance tuning, and resource
  optimizations.
• Experience in working with Test-driven development (TDD).
• Experience in Unit Testing and UI testing.
• Programming iOS native mobile applications from specifications.
• Scope, analyze, design, test, debug and implement complex iOS mobile applications.
• Cutting-edge native mobile application prototyping and development on iPhone/iPad.

Desired Candidate Profile

• 2+ years of experience in mobile application design and development.
• 2+ years of experience with iPhone development platforms experience developing native ios apps: swift, ios SDK, and Xcode.
• Experience integrating with third-party libraries, Restful API, and JSON.
• Deep familiarity with objective-c and cocoa touch experience working with ios frameworks such as core data, core animation, core graphics, and core text working knowledge of the general mobile landscape, architectures, trends, and emerging technologies experience integrating with WebSocket,  VOIP, call kit.
• Must be self-motivated, possess strong communication skills, and be able to work in a team-oriented environment

Minimum 2 years of working experience.

Can work on live projects of international clients.

Can handle multiple projects

Error-free coding.

Required Experience, Skills and Qualifications

Objective-C, or increasingly, the Swift 3.0 programming language

Apples Xcode IDE

Frameworks and APIs like Foundation, UIKit, and CocoaTouch

UI and UX design experience

Apple Human Interface Guidelines

2D and 3D graphics frameworks like SpriteKit and SceneKit

OpenGL or Metal, iOS graphics APIs

Familiarity with iOS 10 and newer OS versions

A Git code repository technology

Strong Objective-C skills and inside-and-out knowledge of the iOS SDK.

Experience using and creating scalable web-based Restful APIs.

Stealth AI Labs looking for a Lead iOS engineer with 6+ years of experience in app development. We need someone urgently, you will be starting next week or asap.

If you currently have a full-time job and want to work Part Time we are ok.

You will be building the app from Scratch based on Figma designs. You will be a part of the founding engineering team. We are working on a cutting-edge technology stack. You will get the opportunity to work on a massive scale project and very complex problems which will help you grow as an engineer. Our restful backend is built in Golang which can handle millions of concurrent users.

Please include your portfolio of iOS apps you have developed

Requirements:

• Experience building iOS apps or apps used by millions of users is a MUST
• We have hard deadlines, speed of development is essential and we want someone who is delivery oriented
• We will be using Swift for the development
• Attention to detail for performance optimization and benchmarking
• Knowledge of reducing app size, minimizing app launch time, skeleton loading
• Write well documented & maintainable code
• Implement automated testing and unit tests for the code you write
• Self-starter mentality who can pick up new skills & can work independently

• Enguru is India’s leading destination for online learning English, with over 4 crore learners
• who have used our products. enguru caters to multiple audiences, including adult and
• children learners looking to learn English through live group and/or personal classes.

• You will have end-to-end ownership in helping to launch the first iOS app in the enguru
• product suite. You will work closely with back-end engineers, product managers and graphic
• designers to build different layers of the infrastructure. You will be responsible for
• discovering, evaluating and implementing new technologies in your process to optimise the
• development efficiency.

• Experience in publishing iOS apps in the app store, and worked on the development of iOS apps and their integration with back-end services.

• Proficient in offline storage database systems and experience with third-party libraries (including custom libraries
• Strong debugging, troubleshooting, performance tuning and optimisation skills.
• Knowledge of asynchronous and multithreading pattern.
• Excellent computer science fundamentals, including databases, OOP, data structure and algorithm knowledge.
• Experience building fluid custom interfaces for a variety of screens, backed with a strong understanding of Apple design principles and interface guidelines.

Job Description: Angular Developer

We are looking for an Angular Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a mobile and desktop web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. The artistic design will be delivered to you, together with a few HTML templates, but we will ask for your help in regard to animations, CSS, and final HTML output. You will work in a team with the back-end developer, and communicate with the API using standard methods. A thorough understanding of all of the components of our platform and infrastructure is required.

Responsibilities

· Delivering a complete front end application

· Ensuring high performance on mobile and desktop

· Writing tested, idiomatic, and documented JavaScript, HTML and CSS

· Coordinating the workflow between the graphic designer, the HTML coder, and yourself

· Cooperating with the back-end developer in the process of building the RESTful API

· Communicating with external web services

Experience Required: Minimum 2 – 4 years.

Skills and Qualifications:

· Proficiency with JavaScript , HTML5, Core Java and Angular (6 and above)

· Professional, precise communication skills

· Deep knowledge of Angular practices and commonly used modules based on extensive work experience

· Creating self-contained, reusable, and testable modules and components

· Ensuring a clear dependency chain, in regard to the app logic as well as the file system

· Ability to provide SEO solutions for single page apps

· Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times

· Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system

· Validating user actions on the client side and providing responsive feedback

· Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

· Creating custom, general use modules and components which extend the elements and modules of core Angular

· Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource

· Experience with building the infrastructure for serving the front-end app and assets

· Architecting and automating the build process for production, using task runners or scripts

· Documenting the code inline using JSDoc or other conventions

· Writing extensive unit tests using automated TDD tasks

· Creating e2e test suites for all components, and running them with Protractor (or a well-reasoned alternative)

· Creating configuration, build, and test scripts for Continuous Integration environmen

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• 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.

• Proficient with Swift, Xcode, and Cocoa Touch.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with cloud message APIs and push notifications