Flutter Developer

Job Description :

Position : Flutter Developer

Location : Gurugram, India (Immediate Joining)

Key Responsibilities :

• Design and build advanced mobile apps for Android & iOS using Flutter. Collaborate with UI/UX designers to create intuitive user interfaces.
• Integrate REST APIs and third-party services into apps.
• Write clean, maintainable code and perform tests for robustness.
• Ensure high performance and responsiveness in all apps.

Requirements :

• 3+ Years of experience in Flutter app development.
• Proficient in Dart with strong object-oriented programming skills. - Experience with Android/iOS mobile development (native or cross-platform).
• Familiarity with Firebase, RESTful APIs, and version control tools (Git).
• Understanding of mobile UI/UX principles. - Experience with state management (Bloc, Provider, GetX) and Agile methodologies.

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:

• Work closely with various people and teams throughout the entire app development cycle (concept, design, build, deploy & test) in an agile environment.
• Design and build applications for the Android platform.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automatization.
• Knowledge of other web technologies and UI/UX standards.
• Familiarity with cloud message APIs and push notifications.
• Proficient understanding of code versioning tools like Git.
• Maintain and update the existing mobile app.

Reporting Structure

• This position reports to the Team Leader - Technology.

Job Specifications

• An Graduate in IT or Post graduate or Engineer in IT; with 4+ years’ of relevant experience.
• Minimum 2 years of experience in Flutter is a must.
• Familiarity with RESTful APIs to connect Android applications to back-end services.
• Excellent communication and interpersonal skills.
• Strong problem solving, analytical, decision making and technical ability.

• You will be building and Shipping Robust apps to Android / ios devices using a single codebase.
• Excellent Working Knowledge of an Object-oriented language.
• Experience using Restful APIs to integrate mobile applications to server-side systems.
• Willing to work with cross platform frameworks.
• Having good knowledge of MVVM architecture.
• Understanding Basic concepts of Design for Developing user Friendly applications.

• Basic experience in Development of Android / Ios Applications and have deployed them on Google Play/ App Store.
• Minimum 1 year of Knowledge in Mobile App Development.
• In depth understanding of Front end languages like HTML, css3, and JavaScript & Object - oriented Programming Languages like JAVA and C++
• Familiarity using Version Control tools like Git, Sub version etc. and IDEs like Android Studio, VS code etc.
• Knowledge of Dart Programming language, Rest APIs and integration of Various APIs from third Parties.

• Writing well-designed, testable and efficient code.
• Gathering and evaluating user feedback.
• Working as a part of a dynamic team to deliver winning products.
• Providing code documentation and other inputs to technical documents.
• Supporting continuous improvement by investigating alternatives and new technologies and presenting these for architectural review.
• Troubleshooting and debugging to optimise performance.

• You possess a Degree/Diploma in Computer Science, Engineering or related field.
• You have at least 1-3 year experience, ideally within a Software Engineer role with some inhand experience with Flutter or dart.
• You pay strong attention to detail and deliver work that is of a high standard.
• You are adaptable and thrive in changing environments.
• You are highly goal driven and work well in fast paced environments.

• Experience / strong knowledge in both iOS & Android Mobile Application technologies
• Proficient in SwiftUI, Swift, Xcode, Java, Kotlin and Android Studio, Flutter, React Native
• Experience with version control: Maven, Gradle, Git, Cocopods
• Experience in application submission / provisioning process
• Experience in performance and memory tuning
• Good understanding of computer science concepts, design patterns, algorithms and data structures

Bonus Points:

• Experience / knowledge in any of the Back-End technologies

Required Skills: ios + JS + flutter + bluetooth (all 4 are mandatory)

Experience in developing native apps.

Minimum Total Experience: 4+

Flutter Experience: 2+

• Experience with building scalable applications using Flutter on android or IOS. (we are happy to meet you even if you do not know flutter but are willing to learn)
• Strong knowledge of Architectural pattern like Bloc, Provider etc in Flutter. Knowledge of writing Plugins in Flutter is a good to have skill
• Ability to think about scalability and reusability while developing flutter widgets.
• Experience in working with Dart.
• Knowledge of unit & integration testing, agile development process, jira & API integration will be extremely useful
• Strong UI building skills and the ability to handle updates in UI with high frequency data changes.
• Experience with version control systems (bitbucket, git etc.)
• Strong knowledge of algorithms and data structures
• Should have demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
• Strong state management knowledge
• Experience in Fintech domain will be another added advantage