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.

Responsibilities:

• Design and develop user-friendly, robust, and scalable Flutter/Android/iOS applications.
• Collaborate with product managers, designers, and backend developers to understand requirements and translate them into functional applications.
• Implement clean and efficient code following best practices, coding standards, and design patterns specific to mobile development.
• Ensure high performance, responsiveness, and stability of the applications by conducting thorough testing and debugging.
• Integrate RESTful APIs to fetch and send data from/to the backend servers.
• Work with SQLite or other database technologies to implement data persistence in mobile applications.
• Implement effective UI/UX designs following Material Design guidelines to ensure a smooth and intuitive user experience.
• Collaborate with the team to identify and implement solutions to improve application performance, maintainability, and user engagement.
• Stay up-to-date with the latest trends, technologies, and best practices in mobile development and share knowledge with the team.
• Assist in troubleshooting and resolving issues reported by users or clients, providing timely and effective solutions.

• Design and build advanced applications for the iOS platform

• Experience is required in IOS

• Collaborate with cross-functional teams to define, design, and ship new features.

• Unit-test code for robustness, including edge cases, usability, and general reliability.

• Work on bug fixing and improving application performance.

• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

• Working experience in iOS development using Swift, RX Swift,

• Have published one or more iOS apps in the app store

• A deep familiarity with Objective-C and Cocoa Touch

• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text

• Experience with third-party libraries and APIs

• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

• Solid understanding of the full mobile development life cycle

• working experience on Media streaming

• Working experience on Modular programming, RX Swift, Auto layout, Push Notification & Deep Linking.

Requirements:

• Minimum 3 years of experience in React Native.

• Integration of Rest APIs in react native.

• Firm grasp of the JavaScript and Typescript language and its nuances, including ES6+ syntax

• Knowledge of functional and 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 and IntelliJ

• Proficient understanding of releasing and monitoring apps on IOS App store, Play store.

• Should be able to communicate to backend developers on API building and modifications needed.

• Testing and releasing builds Experience in application testing software’s Appium is preferable.

• Understanding of REST APIs, the document request model, and offline storage

• Experience with automated testing suites, like Jest or Mocha

• Experience with handling production mobile apps.

• Experience with performance testing and optimization.

Responsibilities:

You’ll

• We are looking for a React Native developer 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.

• 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.

• 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.

We are looking for experienced iOS developers to join our team of talented engineers to design and build the next generation of our mobile application. The individual should be self-motivated, creative and proactive, with 1 – 2 years of progressive experience to work successfully in a fast-paced environment including latest technologies like Swift, Objective C and iOS UX guidelines.

– 1 to 2 years experience with iOS, Objective C and Swift.

– 1+ years object-oriented programming experience or equivalent education.

– Experience in an iterative software development environment (Agile).

– Experience with Test-Driven development, continuous integration and other Agile methodologies.

– Good experience in using Apples XCode for software development.

– Experience in standard debugging techniques such as logging, LLDB, and/or instruments to localize and correct software defects.

– Hands on experience using smartphones and tablets preferably iPhone and iPad

– Ability to design, develop, support new and existing applications and perform unit testing and integration testing.

– Experience with 3rd Party SDK integrations and other device libraries.

– Experience packaging and publishing applications on the App Store.

About Maxpay: Our goal is to make digital payments so easy, safe, and universally accepted that people never feel the need to carry cash or cards again. We believe India is at the cusp of a new mobile revolution, which will change the way we manage our money on the go. We see ourselves facilitating this change, through technology and dogged customer-centricity.

At Maxpay, we take extra care to make sure you give your best at work, Every day! And creating the right environment for you is just one of the things we do. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one.

Being enthusiastic about tech is a big part of being at Maxpay,.

If you like building technology that impacts millions, ideating with some of the best minds in the country, and executing your dreams with purpose and speed, join us!

At Maxpay, we are looking for skilled Android developers who are passionate about solving digital payment problems for over a billion Indians.

Responsibilities:

• Work with product and UX teams to design, build and extend consumer-facing mobile products.

Requirements:

• Technically Hands-on, prior experience with scalable Architecture.
• Bring 1-6 years of software engineering and product delivery experience, with a strong background in algorithms.
• Excellent command over Data Structures and Algorithms.
• Strong problem-solving and analytical skills.
• Deep technical knowledge of iOs application development.
• Proficient in swift with experience in memory management and caching mechanisms specific to mobile devices and embedded systems.
• Strong UI design exposure and experience in making apps work intuitively.
• Optimize mobile products for performance and a fabulous hyper-local experience.
• Knowledge about delegates, protocols, notifications, and application life cycle.
• Knowledge about Push notification services.
• Knowledge about third-party SDK integrations.
• Experience preferred 2 To 8 years.
• Required Education Bachelor Of Engineering(B.E).