Mobile App Development - Flutter

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.

Requirements / Experience:

• Min 4 Years of Experience
• Experience in cross-platform mobile software development (Android/iOS) using technologies such as React Native, Flutter, GO/ Golang, Xamarin, Blazor, JavaScript, TypeScript, Dart, C#
• Familiarity with API Development (REST, Web API, WCF, SOAP)
• Experience with full-lifecycle design, development, and testing of critical business applications
• Good problem-solving skills with attention to detail
• Strong verbal, written, interpersonal, and organizational skills
• Ability to work independently and in a team environment
• Ability to multi-task effectively
• Reliable, highly motivated, with a positive attitude
• Experience with MsSQL, MariaDB

• Minimum 3yrs of exp in building React native apps for android and iOS
• Solid understanding of iOS and Android ecosystems.
• Must have worked on hardware integration with the apps.
• Understanding of various navigation models in mobile apps
• Good at debugging, testing, performance optimization.
• Interpersonal skills: good team player, ready to take challenges ability to deliver in a fast-paced environment.

• 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.

FLUTTER DEVELOPER               

GormalOne LLP. Mumbai IN

GormalOne is on a mission to make dairy farming highly profitable, especially for the smallest farmers living in the most neglected geographies. We are a dairy-focused technology solution provider with a vision to resolve the pain points of everyone in the dairy ecosystem. We are building a comprehensive platform for cattle management where farmers to AITs (Artificial Insemination technicians), para vets, veterinarians, consultants, and corporates can collaborate and benefit each other using data. Nitara offers an easy-to-use artificial intelligence-enabled herd management system for farmers/veterinary/paraprofessionals/AITs.

We are looking for a Flutter developer who has a passion for pushing mobile technologies to the limits. This Flutter app developer will work with our team of talented engineers to design and build the next generation of our mobile applications. Flutter programming works closely with other app development and technical teams.

Responsibilities

• Design and build advanced applications for the Flutter platform targeting Android and iOS platforms
• Deploy the built apps in the play store and app store
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with external data sources and APIs
• 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 modern technologies to maximize development efficiency
• Use SOLID principles and design patterns effectively while coding
• Follow general coding guidelines
• In-depth knowledge of DART is necessary
• Working experience in git

Basic Requirements

• Have published more than one original Flutter app
• Built and deployed the flutter app on both Android and iOS platforms
• Experience with offline storage, threading, and performance tuning.
• Familiarity with the use of sensors such as gyroscopes and accelerometers.
• 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
• Solid understanding of the full mobile development life cycle.
• In-depth understanding of Object Orientation and any of the object-oriented languages like Java or C#
• Understanding agile development method
• Knowledge of HTML, CSS, and JavaScript

Preferred Requirements

• BS/MS degree in Computer Science, Engineering, or a related subject
• Proven software development experience with Flutter skills
• Proven working experience of minimum 2+ Years in Flutter app development

Kindly note: Salary shall be commensurate with qualifications and experience

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.

• Experience with Flutter SDK and Dart programming language.
• Strong knowledge on Flutter widgets like Cupertino for iOS and Material Components for Android.
• Knowledge on building flutter module and flutter plug-ins.
• Experience working on mobile platform like Android/iOS is required.
• Good knowledge in OOPS concepts and JAVA.
• Experienced in building mobile applications that utilizes web services (SOAP / REST / JSON / GSON).
• Worked on Dart.js
• Experience with third-party libraries and APIs.
• Good knowledge of database (MySQL, SQLlite, RealM).
• Knowledge on play-store publishing & distribution.
• Identify problems and bottlenecks before hand and report to the concerned personnel.
• Strong knowledge on mobile app development cycle and design principles.
• Good understanding of Android/iOS design guidelines, SDK and excellent JavaScript skills.
• Knowledge and experience with UX/UI design skills.

• Design and build advanced applications for the Flutter platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• 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

 Who are we looking for? 

1. Someone who is annoyed by the build time it takes for an application to build and has actually done something to optimise it 

2. Has good experience in building Android applications 

3. Experience with the flutter ecosystem is a great plus. 

4. Who likes to think in terms of software and data architecture before opening Android studio. 

5. Comfortable with managing development and deployment of applications. 

6. Open and more importantly excited about learning the new technologies. 

Roles and responsibilities 

1. Participate and contribute in design and development of the core components of the Filo service. 

2. Ensure high quality of software development w.r.t to project architecture, code quality, testing and deployment. 

3. Implement testing frameworks and disciplines as part of every feature development. 

4. Own performance of app in production and implement/push for implementation of systems to monitor, debug and fix an issue in production in lowest TATpossible.
 Advocate good engineering has the highest priority with the only exception of value delivered to the end user.

Benefits

1. MacBook Pro goes without saying 

Join In 

We are a team of educators and engineers who believe there is a lot that can be done when it comes to how people learn things. We believe while a good book is a must, so is a good experience and a good teacher but are unfortunately not well explored. 

Join us on this exploration! 

Salary as Per Market Standards