iOS Developer

Senior Mobile App Developer (Android & iOS)

Location: Brookefield, Bangalore — Onsite

Engagement: Full-Time

Experience: 3+ Years

Job Description

We are seeking a highly skilled Senior Mobile App Developer/Consultant with strong hands-on experience in building, deploying, and maintaining mobile applications for both Android and iOS, with React Native as the primary development framework.

The ideal candidate must be proficient with React Native, Android Studio, Xcode, and the end-to-end iOS App Store deployment process. This is an onsite, full-time role suitable for professionals who can take ownership and deliver high-quality product-based mobile applications. Experience in product companies or the banking/fintech domain is a strong advantage.

Primary Tech Stack (Mandatory)

React Native (Primary Framework)

Android Studio (Java/Kotlin)

Xcode (Swift/Objective-C)

RESTful APIs & Integration Patterns

App Store & Play Store Deployment Processes

Key Responsibilities

Design, develop, and maintain mobile applications using React Native for both Android and iOS.

Work with native modules when required using Swift/Objective-C and Java/Kotlin.

Build and release iOS apps to the Apple App Store, including managing certificates and provisioning profiles.

Debug, troubleshoot, and enhance mobile applications.

Optimize app performance, stability, and responsiveness.

Collaborate with product, backend, and QA teams for smooth development workflows.

Apply best practices in UI/UX, security, and mobile architecture.

Prepare documentation and provide technical guidance as needed.

Required Skills & Qualifications

3+ years of hands-on mobile development experience.

Mandatory: Strong proficiency in React Native.

Hands-on experience with Android Studio and Xcode.

Expertise in Swift, Objective-C, Kotlin, or Java.

Proven experience in building and publishing iOS apps to the App Store.

Strong understanding of RESTful API integrations.

Good knowledge of mobile UI/UX principles.

Strong debugging and problem-solving abilities.

Ability to work independently and deliver within timelines.

Nice to Have

Experience with Flutter or native-only app development.

Product-based company experience.

Exposure to Banking / FinTech systems.

Understanding of App Store Optimization (ASO).

Work Details

Location: Brookefield, Bangalore (Onsite)

Working Days: Monday to Saturday (Alternate Saturdays Off)

Timings: 9:00 AM – 6:00 PM

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.

iOS Developer:

1+ years of experience in iOS mobile application development

• Proficient with Swift and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, Core Location etc
• Experience in Design patterns such as POP, MVVM, CleanSwift, Facade
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Familiarity with cloud message APIs and push notifications
• Understanding of Apple's design principles and interface guidelines
• Ensure the performance, quality, and responsiveness of applications
• Experience with offline storage, threading, and performance tuning
• Understanding of the full mobile development life cycle
• Understanding of Git

Job Description:

• Strong working experience in IOS application development is a must. First-hand experience of native mobile apps using Swift must.
• Experience with Swift, RxSwift, Swift UI, Unit test.
• Strong system design and architecture skills - specifically for IOS. Curiosity to tinker around, explore new paradigms and strongest for continuous improvement. Strong problem-solving skills.
• Understanding of network connections, Rest API'sand scheduling. Strong knowledge about security standards (e.g. HTTPS) and privacy standards.
• Idea/experience of the unit and instrumentation testing in IOS. Optimizing app performance and memory consumption.
• Leveraging community libraries to efficiently complete development tasks.
• Debugging apps using simulators and related tooling.
• Persisting data for offline-first apps using databases such as Realm.
• Localizing apps to support multiple languages and regions, vernacular libraries and fonts.
• Familiar with Version control system such as GIT.

A Product based company is looking out for software engineers in the following categories.
If your profile matches any of the skills&experience categories and you are looking for a change,  Salary won't be a constraint for the right candidate

Category : 0 to 2 years of experience in mobile applications development for android or iOs platforms.

The Role

We are looking for an experienced Software Engineer (React Native) who will lead the development for Jackett's mobile apps. Each day you'll design, build and ship features that will directly improve teachers' lives. You will shape our product direction and technical architecture for the years to come.

You'll report directly to the CTO and partner closely with teams across product and design to build React Native apps for Android and iOS from scratch. And we'll work together to create an environment where you can grow professionally. 

Key Responsibilities:

• Own the architecture, development and implementation of our mobile app to enable the team to quickly iterate a high-quality product.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Implement pixel perfect Ul's that match the designs.
• Create our iOS and Android deployment CI/CD pipeline to ship reliable features daily.
• Engage in technical research and champion best practices for writing clean, maintainable and reusable code with clear documentation.
• Accurately estimate time and effort required to deliver high quality features.
  Required Skills/Abilities:
• 4 + years of experience as a software engineer.
• Built and shipped high-quality mobile apps (android and iOS) using React Native.
• Production-level experience with Mobile C l / C D , unit testing and automated E2E testing
• Proficiency working with RESTful APIs.  
• Ability to take extreme ownership of your work and to deal with high pressure situations in a fast paced environment and meet targets without compromising the quality of the deliverables.
• Product understanding to break down user stories into high impact features.
• Excellent organisational and communication skills, especially for a remote first work environment   

Extra Credits for:

• Knowledge of AWS cloud infrastructure - CodePipeline, Amplify, CDN etc.
• Knowledge of TypeScript.
• Knowledge of SCORM and Learning Tools Interoperability (LTI) framework
• Experience of React Native development at an early stage EdTech startup

Location : Andheri East

Experience : 1-3 years

Notice Period : Immediate - 15 days

Responsibilities : 

1. Integrate the design into high-quality code. 

2. Ensure the performance, quality, and responsiveness of the application. 

3. Identify and correct bottlenecks and fix bugs. 

4. Work along-side other developers working on different platforms for the Application.

Therefore, a commitment to collaborative problem solving, design implementation, and creating quality products is essential.

Skills Required : 

1. Minimum 1 year of experience in iOS Application Development.

2. Proficient with iOS SDK, Swift, and Cocoa Touch. 

3. Understanding of Apple's design principles and interface guidelines. 

4. Must have already deployed at least one app on AppStore. 

5. Working knowledge of Web Services & REST (JSON) APIs, SQLite, Google API Integration, Firebase. 

6. Familiarity with cloud message APIs and push notifications. 

7. Experience with third-party libraries and APIs. 

8. Strong mobile UI design and implementation experience. 

9. Understanding of code versioning tools.

• Proficient with Objective-C or Swift, Realm
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)