Mobile app developer android/iOS

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.

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features
• 
  

What else can you expect in the role?

• Prepare and produce releases of software components
• Optimizing performance for the apps
• Problem-solving skills, analytical mind, and positive attitude
• Ability to think from end users perspective and focused on improving the overall product experience.
• Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
• 
  

What can fetch you brownie points?

• Hands on experience with React Native is required
• Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
• Strong understanding of JavaScript ecosystem
• Hands on experience on Android in creating Hybrid / Native applications
• Demonstrable UI/UX experience on a large-scale app.
• Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
• Good knowledge of JS frameworks like ReactJS is a plus.

Desired Skills and Experience

Hybrid Apps,React Native, Native iOS and Android Architecture understanding

Job Description:-

We are looking for an IOS developer responsible for the development and maintenance of applications aimed at a range of IOS devices including mobile phones and tablet computers. Your primary focus will be the development of IOS applications and their integration with back-end 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 the creation of the quality product is essential.

Responsibilities:-

• 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.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization and automatization.

Skills:-

• Proficient with Objective-C or Swift, and Cocoa touch
• 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.
• 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.
• Experience with performance and memory tuning with tools such as Instruments and Shark, depending on project needs.
• Familiarity with cloud message APIs and push notifications.
• A knack for benchmarking and optimization.
• Proficient understanding of code versioning tools such as Git, Mercurial or SVN.
• Familiarity with continuous Integration.

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 Android application development.
• Proficient in Java 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).

Roles & Responsibilities

• Capability to develop highly responsive applications and websites.
• Capability to find and fix bugs.
• Enhance the performance of an application close to a native one by removing the constriction.
• Capability to maintain code that is easy to understand.
• Write tests for automation so that the app can be tested easily.
• Capability to take advantage of native APIs for deep integration of all platforms.
• Capability to completely transcend a React Web App into a React Native one.

Skills

• Knowledge of Object-Oriented Programming.
• Complete familiarity with Javascript and capability to write script that is optimised and works perfectly.
• Capability to write Well-documented code with Javascript that is easily readable.
• Having the knowledge of third-party dependencies and debugging dependency conflicts that might occur.
• Understanding of native build tools like Xcode, Gradle etc.
• Experience in testing with tools like Jest, Detox, Cypress etc.
• Knowledge about Offline Storage, REST APIs, and document request model.