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.

Job Description

Position Summary:

We are looking for a Mobile application developer responsible for the development and maintenance of applications aimed towards iOS, including mobile phones and tablets. Your primary focus will be the development of such applications and their integration with other services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and creating quality products is essential. You will be responsible for the product development with quality and by following the engineering practices. The candidate should be a team player who should be able to code, do the peer code review, defect fixes wherever needed on the existing product.

Responsibilities:

 Design and build applications for iOS

 Ensure the performance, quality, and responsiveness of applications

 Collaborate with a team to define, design, and ship new features

 Innovative thinking for problems solutions. Solid implementation

 Identify and correct bottlenecks and fix bugs

 Achieving Code, module delivery dates within time

 Help maintain code quality, organization, automatization, and documentation

 Uses Agile Scrum Methodology for software development

 Develops unit tests for all new code

 Has all code changes peer reviewed and must peer review code when required

 Provides input for documentation of new or existing programs

 Well versed with usage of debugging tools to analyze and solve complex problems independently

 Diagnose and resolve complex level issues of application

 Participate in interactions with all levels of personnel with different teams Skills:

 Proficient in all versions of Swift, with a good knowledge of its ecosystems

 Solid understanding of object-oriented programming

 Experience in App Store distribution process and Enterprise distribution of Apple

 Good knowledge of performance limits and characteristics

 Knowledge of memory management and multi-threading, background thread handling and iOS file systems

 Knowledge of private framework in swift and objective C languages

 Experience with embedded databases and other system datastores

 Experience of automated testing platforms and unit tests for Mobile applications

 Familiarity with RESTful APIs to connect to back-end services

 Good sense of UI design and a user-oriented focus  Knack for benchmarking and optimization  Proficient understanding of code versioning tools e.g. Git

 Hands on experience in using Jenkins

 Familiarity with continuous integration

 Good Knowledge in design patterns

 Excellent interpersonal and written communication skills in English

 Good time management skills

 Certification of iOS development, swift language will be value added  Experience with Cocoa APIs on iOS and Apple frameworks AR, ML and swift UI is good to have

 2-4 years of work experience in Mobile application development.

Pay/compensation: Benefits: Health Insurance (including for Parents); Personal Accident Cover.

Job Description:

    Responsibilities:

• iOS Development: Design, build, and maintain an efficient iOS-based SDK using Swift and Objective-C, while implementing new features and enhancing existing ones.
• Collaboration and Design: Partner with the UI/UX designer to develop a web app with a native mobile look and feel, and design APIs for WebView to enable backend interactions.
• Event Handling and Security: Implement event handling within the SDK, develop error handling frameworks, and ensure security best practices for the app and WebView.
• Testing and Documentation: Conduct thorough testing to ensure reliability and performance, and create clear documentation to support integration and team understanding.
• Continuous Improvement: Stay informed on emerging trends in mobile development to provide insights and recommendations for ongoing enhancement.

    Qualifications:

• Proven Expertise: Strong experience in mobile app development, primarily in Swift for iOS (Android experience is a plus), and familiarity with HTML, CSS, and JavaScript.
• SDK Development and Security: Experience in creating SDKs, crafting APIs, and following security best practices in mobile app development.
• Team Collaboration: Effective communication skills for working in small teams, potentially meeting with clients, and thriving in dynamic environments like startups.
• Adaptability: Ability to handle evolving project requirements and stay updated on the latest trends in mobile development.

NOTE: IT IS MANDATORY TO GIVE ONE TECHNICHAL ROUND FACE TO FACE.

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}​}​

• 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.

• Design and build applications for iOS platforms
• Ensure performance and quality of the application
• Collaborate with cross functional team to define and design the app
• Perform checks on correct functionality of app
• Integrate 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

• Expert in Objective-C or 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 clouds message API and push notifications_

Job Description for flutter developer 

Role/Project Description Will be responsible for User Interface development of various android/IOS based mobile applications for HCIN clients and partners. The candidate will work in a global, highly innovative and agile environment made up both by talented youngsters and senior professionals.

Job Responsibilities:

• Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance
• Contribute in all phases of the development lifecycle: concept, design, build, deploy, test, release to app stores and support.
• Diagnose performance issues, fix bugs (including crashes and ANRs) to increase the functionality of the application
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Collaborate with team members (product managers, developers, designers) to brainstorm about new features and functionalities.

Desired Profile:

• Experience required 1 year
• B. Tech, MCA, M. Tech degree in Computer Science Engineering or a related subject
• Proficient in Java/Kotlin programming
• Knowledge and experience in Flutter Framework and DART programming
• Hands on experience in using RESTful APIs
• Hands on experience in designing and developing microservices architecture and containers
• Object oriented analysis, UML and design using common design patterns.
• Hands on experience in development IDE Android Studio, Android SDK, Firebase Test Lab
• Experience with offline storage, threading, and performance tuning
• Familiarity with push notifications
• Familiarity with IOS integration with Flutter
• Experience using GitHub or similar environment
• Complete understanding of SDLC
• Experience with Agile development
• Experience with Material Design and Android UI design principles, patterns and best practices
• Good knowledge of adding third-party libraries

• Strong in Java and OPPs (Object Oriented Programming) Concept
• Knowledge of Android SDK and NDK
• Knowledge of JSON and XML
• Android Mobile Development Life Cycle
• Knowledge of SQLite
• Good if Communicating with the server using REST APIs
• Should be work in agile methodology
• Master into research and development task for some major function
• Good Problem solving skills
• Self motivated and always willing to learn latest technology

Key Skills

• Android, Java, Kotlin, OOPS, C, C++