iOS 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.

• Excellent mobile app development experience
• Strong CS fundamentals OOPS concepts, algorithms data structures Core Java
• Deep knowledge of basic React Native components and Android Studio
• Ability to write well-documented, clean Java and Javascript code
• In-Depth knowledge of building tools like XCode, and Android Studio
• Knowledge of Android Studio and React Native Lifecycle and publishing cycles on Google and Apple app stores.
• Experience with Git and ES6
• Experience in the kotlin  and flutter  

🏆 Benefits

• Remote Possible - Work from anywhere in India though we promote Work From Office like revered Narayan Murthy is appealing. https://trak.in/tags/business/2022/03/14/infosys-founder-narayan-murthy-wants-all-employees-back-to-office-says-work-from-home-is-bad-for-productivity/">Read it
• Flexible work hours
• Annual Appraisal Cycles
• Healthcare plans are on the way
• Free e-learning courses and external training plus certifications
• Fewer deductions so In Hand, Salary is more
• Special Guidance on Financial Investment planning to help you save more
• Healthcare sessions with our Doctors
• We promote employees to take timely leaves and take care of family

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

We are looking for an experienced iOS Engineer who will continue to improve our mobile application including but not limited to performance, UI and UX. You’ll be responsible for building new and supporting existing product features.

The ideal candidate will have the ability to prioritize well, communicate clearly, have a consistent track record of delivery and have excellent software engineering skills. Creative engineering is balanced with high quality and a customer focus. Must be able to work across multiple facets of the project and juggle multiple product features at the same time. Strong analytic capability and the ability to create innovative solutions. We are looking for a highly motivated individual who is looking to grow their career in a fast-paced environment.

• Design and build applications for iOS platforms
• Ensure performance and quality of the application
• Collaborate with a cross-functional team to define and design the app
• Perform checks on the correct functionality of the app
• Integrate the application with backend tools such as cloud, APIs and push notifications
• Responsible to help maintain code quality, organization and automation
• Responsible for providing prototypes and proofs of concepts
• Use encryption tools to safeguard content
• Research, evaluate and adopt next-generation technologies 

• IT Certification, required
• Expert in Objective-C and Swift programming
• UI and UX experience
• Proficiency with 2D and 3D graphics frameworks
• Experience with iOS frameworks
• Adept with benchmarking and modification
• Familiar with Apple's design principles and interface guidelines
• Proficiency with offline storage, threading and performance tuning
• Knowledgeable of cloud message API and push notifications_
• Experience working in an agile environment that follows Scrum or other agile methodologies 
• Experience developing software for Enterprise clients is preferred 
• Excellent time management skills, with the ability to work under deadlines in a fast-paced environment
• Attention to detail and commitment to high-quality/error-free deliverables
• Great communication and problem-solving skills
• Detail-oriented and a critical thinker 
• A team player and leader but can work independently. 
• Experience with Github and tools like Bugsnag or Sentry is a plus 

About you

• Bachelor’s or Master’s in Computer Science or Computer Engineering  
• 4+ years of iOS development experience 
• Understanding of data structures and algorithms
• Demonstrated experience with multi-tier applications

Our Culture

We help companies manage their biggest asset, their people. We are disrupting the corporate wellness market to help companies large and small to support employee and workplace wellbeing. If you’re ready to join our growing team and have the opportunity to be a part of a company that is focused on Woliba (Work-Life-Balance) then we’d love to hear from you. 

As part of the Mobile SDK Engineering team at MoEngage, here are some things you can expect:

• Take ownership and be responsible for what you build.
• Work with A players (some of the best talents in the country), and expedite your learning curve and career growth.
• Make in India and build for the world at a scale of 900M+ active users, which no other internet company in the country has seen.
• Learn together from different teams on how they scale to millions of users and billions of messages.
• Work with the customer success team to enable MoEngage customers to adopt Insights-led engagement in different industry sectors like e-Commerce, FinTech, OTT, Social, entertainment, travel, telco, food-tech etc.
• Explore the latest in topics like Mobile development, SDK, iOS, tvOS, various mobile hybrid frameworks and share with the team. More importantly, have fun while you work on scaling MoEngage.

Skills Required

• 6+ years of experience with iOS, Swift, ObjC, Xcode and Cocoa.
• Working knowledge of architecture principles, code organization, and system design.
• Informed and up to date with iOS SDK and ecosystem.
• In-depth knowledge and understanding of the iOS framework:
• Memory Management
• Caching and Persistent data storage
• Multithreading concepts
• Rest APIs Implementation
• Dependency Managers
• Understands the internals of the mobile builds and distribution processes.
• Great communication skills and an ability to work within a team and with cross-functional teams.
• Experience with code reviews, releasing and maintaining mobile applications/SDKs.

Good to Have:

• Knowledge of other cross-platform frameworks i.e, Flutter, React-Native, Cordova, Unity.
• Experience in working and shipping SDKs/plugins.

DUTIES AND RESPONSIBILITIES:

• Design and build applications for the iOS platform
• Implement new features while maintaining overall quality of software
• Contribute to a culture of learning by documenting and sharing technical knowledge as a developer on an agile squad
• Participate in developer communities of practice by following best practices, participating in code reviews, and sharing knowledge
• Remain current on relevant technology trends
• Participate in researching and resolving customer issues
• Other duties as assigned

MINIMUM KNOWLEDGE, SKILLS AND ABILITIES REQUIRED:

• Proficient in native development with Swift and Objective-C
• Experience building interface components and experiences using Swift UI and WebKit and understanding their limitations
• Knowledge and experience working with the MVVM design pattern
• Prior experience with knowledge of Git and GitHub
• Knowledge of iOS back-end services
• Knowledge of Apple’s design principles and application interface guideline
• Understanding of the full software development lifecycle
• Familiarity with security best practices for software development

We are looking for a strong mobile app developer who welcomes both engineering and maintenance tasks. The primary focus will be to implement new user interfaces and features together with automated unit and integration tests.

You will be working with our candid and collaborative team, where your knowledge and advice about application architecture and the newest mobile technologies will be highly appreciated. The code you write will need to be cleanly organized and of the highest quality. You’ll also help ensure solid application performance and an excellent user experience.

Responsibilities

- Developing new features and user interfaces from wireframe models

- Ensuring the best performance and user experience of the application

- Fixing bugs and performance problems

- Writing clean, readable, and testable code

- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions

- Strong knowledge on LAMP Stack and Python

Skills

- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)

- Deep knowledge of Android & iOS

- Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc.

- Familiarity with RESTful APIs and mobile libraries for networking, specifically - Retrofit, axios, Alamofire, etc.

- Familiarity with the JSON format

- Experience with profiling and debugging mobile applications

- Strong knowledge of architectural patterns—MVP, MVC, MVVM, and Clean Architecture—and

the ability to choose the best solution for the app

- Familiarity with Git

- Familiarity with push notifications

- Understanding mobile app design guidelines on each platform and being aware of their differences

- Proficiency in Kotlin/Java/Swift/Objective-C/JavaScript/Python

- Proficiency in Django & NoSQl

Dear Candidates,
Greetings!!
We are hiring React Native developer

Required Skills:

• Proven development experience on smartphone platforms.
• Hands-on experience on React Native Framework, including React JS, React Native, and JavaScript.
• Extensive programming experience with at least one programming language such as Swift, Java, JavaScript.
• Deep familiarity with iOS or Android development.
• Familiarity with RESTful APIs
• Familiarity with code versioning and CI/CD tools like Git, SVM, Jenkins.
• Must have worked on at least one app that is published in AppStores.

Bonus: 

• Experience in Objective-C, Swift, and Cocoa Touch.
• Good Knowledge of HTML5, CSS.
• Extensive experience with iOS Frameworks such as Core Data and Core Animation.
• Knowledge of Apple’s design principles and application interface guidelines.