Xamarin 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.

Sr. Android Developer

It is a digital consultancy that partners with the world's leading brands to design and deliver compelling digital products and services for their customers. It is a digital engagement provider for more than 200 of the world’s leading brands. We are a collective of consultants, designers, developers, cloud advisors, and data scientists - spread across 3 continents and 9 offices - who create compelling digital experiences to help clients show they care to the people who matter most - their consumers, patients, and employees.

We are seeking a Senior Android Developer with demonstrated experience designing and implementing enterprise scale mobile solutions. The ideal candidate will bring both strategic vision and solid execution skills to create native applications for mobile devices.

Responsibilities: 

• Design and develop native mobile applications for Android
• Integrate mobile apps with RESTful web services
• Work with UX Designers, Mobile Architects and other Developers to build enterprise mobile solutions
• Work as part of an agile team on leading edge technologies

Skills and Experience:

• 5+ years experience developing applications software
• Excellent working knowledge of an objective oriented language (Java, C++, Objective-C, C#, or similar) - including 2+ years Java
• Android, Android Jetpack, Kotlin, Java, coroutines, MVVM, MVP, Pro-Guard, test cases, unit cases, Agile, Git, App Security
• Demonstrated expertise with the Android SDK
• Experience using RESTful APIs to integrate mobile applications to server side systems.
• Good understanding of software development best practices
• Experience working in an agile environment
• Working knowledge of SCM with strong emphasis on Git and proper Git Flow
• Must reference at least one application you developed that is available today.
• Knowledge of Hybrid technologies like : ReactNative, Ionic will be plus point.

Qualifications:

• Bachelor in  Computer Science or equivalent work experience
• Good communicator and team player with strong organizational skills
• Ability to be proactive, find solutions and meet deadlines
• A good sense of humor and a passion for technology

RESPONSIBILITIES:

• Developing app using Flutter for both Android & iOS platforms.
• Writing quality code independently that is simple, reliable, and scalable.
• Evaluating and implementing out-of-the-box ideas for application development.
• Working with the team to manage, optimize, and customize multiple applications.
• Detecting and troubleshooting application issues.

REQUIREMENTS:

• Must have 1+ years of experience in Flutter.Should have worked and successfully deployed apps using Flutter framework.
• Good knowledge of Flutter SDK & Dart programming language.
• Should have worked on mobile platforms like Android or iOS.
• Should have developed & worked with Flutter widgets for iOS & Android with any of the state management solutions like Bloc, Provider, Mobx, etc.
• Mobile app architecture design and optimization. Extreme attention to detail and the ability to match the design as closely as possible.
• Ability to work closely with Product Managers, other development team members.
• Understanding of Functional Reactive Programming is a must.
• Comfortable with Test-Driven Development.

Requirement::

• Design and build advanced applications for the Android 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.

• Proven software development experience and Android skills development

• Proven working experience in Android app development

• Have published at least one original Android app

• knowledge with Android SDK

• knowledge working with remote data via REST and JSON

• knowledge 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.

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