Mobile 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 Summary:

As a Flutter Developer, you will be responsible for designing, developing, and maintaining high-performance mobile applications for both Android and iOS platforms. You will collaborate with cross-functional teams to create robust and scalable software solutions that meet our clients' needs. The ideal candidate should have a strong background in mobile application development using Flutter framework and a passion for creating innovative and visually appealing user experiences.

Job description:

Mobile App Development:

• Design, develop, and maintain efficient and reliable mobile applications using Flutter.
• Collaborate with cross-functional teams to define, design, and ship new features.

UI/UX Design:

• Implement pixel-perfect UI designs and ensure a seamless and visually appealing user experience.
• Work closely with designers to translate design concepts into functional UI components.

Integration:

• Integrate third-party APIs and libraries as needed to enhance app functionality.
• Ensure seamless data exchange between the mobile app and server-side components.

Testing and Debugging:

• Conduct thorough testing of applications to identify and resolve bugs and performance issues.
• Collaborate with Quality Assurance teams to ensure the reliability of the application.

Code Optimization:

• Continuously optimize code for performance, scalability, and maintainability.
• Stay updated on the latest Flutter releases and incorporate new features and improvements.

Documentation:

• Create and maintain comprehensive documentation for all code and development processes.
• Collaborate with technical writers to produce user guides and developer documentation.

Collaboration:

• Work closely with product owners, designers, and other developers to understand project requirements and deliver high-quality solutions.
• Participate in code reviews and provide constructive feedback to team members.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• as a Flutter Developer.
• Strong understanding of the Flutter framework and Dart programming language.
• Experience with mobile app development for both Android and iOS platforms.
• Knowledge of RESTful APIs and integration with backend services.
• Solid understanding of the full mobile development life cycle.
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a collaborative team.
• Experience with version control systems, such as Git.
• Knowledge of additional mobile development languages/frameworks (e.g., Swift, Kotlin) is a plus.

Good personality with good Communication.

Male or Female can apply.

Interested candidate can share their CV on triple nine zero nine three double one double four.

Desired Candidate Profile

• Bachelors/ Master’s degree in Computer Science, Engineering or a related subject
• Minimum 3 years work experience in mobile application development
• Proficiency in Problem Solving, Data Structures and Algorithms
• Strong knowledge of design concepts and constraints on mobile platforms
• Proficiency in Java/Android
• Ability to use third party SDKs
• Familiarity with Firebase, FCM, IMA, Google Services and Facebook SDK
• Demonstrable experience building excellent mobile apps that are currently in Google Play Store
• Experience with HTML5, Java, Responsive Design and flutter    

Will be developing mobile and web applications using latest technology. Should be good in analysing requirements and translate into applications. Good in understanding application flows.

Tech Skills –

Mobile technology – Hybrid (Ionic / Angular / Cordova ),  – Expert level – Should have completed at least one  project with server component, use of cloud services, use of device native capabilities like camera, accelerometer etc.

HTML, CSS, Bootstrap, Java script – Expert level - Good understanding of concepts and should be able to realize application screens based on the UI provided by designers.

(This is an internship to begin with, later you may be offered a full-time role.)

Primary responsibilities::

• Participate as a member of a mobile development team.
• Become a subject matter expert in the mobile channel.
• Design and deliver high quality mobile applications
• Review and approve all mid-level design documentation.
• Ensure that detail design documentation is competed, reviewed, and approved, as required.
• Conduct or participate in code review sessions to ensure quality and performance.
• Support the system integration and user acceptance testing resources. Provide timely defect analysis, remediation, and reporting.
• Review security testing reports/results and remediate potential vulnerabilities in a timely manner.
• Stay abreast of emerging technologies or trends that could impact the mobile channel.

Required Skills/Qualifications::

• Design, develop and implement cohesive, highly-usable features and improvements to our existing native iOS applications.
• Design and develop new native mobile applications, as required.
• Knowledge with performance and memory tuning tools.
• Knowledge in implementing unit tests.
• Proficient understanding of code versioning tools such as GIT.
• Strong knowledge of Objective-C, Swift, iOS SDK/Frameworks, REST APIs, JSON.
• Knowledge translating product requirements into design specifications.
• Debugging and problem solving skills.
• Understanding of MVVM and MVC development pattern.
• Ensure quality software is delivered with minimal defects and no go live critical issues. Knowledgeable of unit and automation testing tools

Website - https://praxinfo.com/">https://praxinfo.com/