React Native 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.

1. Proven working experience in Android app development and published at least one original Android app.
2. 1-3 years of experience in Android using the java language 
   Familiarity with architecture styles/APIs.
3. Solid understanding of the full mobile development life cycle.
4. Knowledge of MVVM and other Mobile design patterns and best practices.
5. Ensure the performance, quality, and responsiveness of applications
6. Work in Agile, cross-functional teams and taking responsibility for deliverables
7. Excellent communication skills in both technical and non-technical discussions

Job Summary

Global Lancers is looking for an Android developer responsible for the development and maintenance of applications. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.

Responsibilities and Duties

• Design, build, and maintain high performance, reusable, and reliable code
• Ensure the best possible performance, quality, and responsiveness of the application
• Identify and correct bottlenecks and fix bugs

Key Skills

Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes., Familiarity with RESTful APIs to connect Android applications to back-end services, Strong knowledge of Android UI design principles, patterns, and best practices, Experience with offline storage, threading, and performance tuning

Required Experience and Qualifications

• Exp- min 3 years
• Knowledge of the libraries available for common tasks
• Familiarity with cloud message APIs and push notifications
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git

• Building and Designing advanced Android applications for the Android platform.
• Cross-functional team collaboration to design, define and ship new features.
• To use and work with outside APIs and data sources.

Qualifications

• 3+ years of experience specifically on MVVM architecture creating B2C applications.
• Should have developed at least 1 app from scratch.
• Good knowledge in Java
• Excellent debugging skills
• Good understanding of Kotlin, jetpack components, Android Studio, Android NDK, etc
• Experience and understanding of large and complex code bases and architectures
• Experience in API design, SDK architecture, and mobile software lifecycle development practices
• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces

The Must-Haves

• Should have developed at least 1 app from scratch.
• Good knowledge in Java
• Excellent debugging skills
• Good understanding of Kotlin, jetpack components, Android Studio, Android NDK, etc
• Experience and understanding of large and complex code bases and architectures
• Experience in API design, SDK architecture, and mobile software lifecycle development practices
• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces
• Strong CS fundamentals  (with competencies in algorithms and data structures)

• 5+ years of JavaScript experience
• Extensive experience with Angular and Ionic
• 5+ years of object-oriented software development of web applications
• Mobile app development and testing (Android and IOS)
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Preferable Experience in Cloud Technologies (AWS, AZURE)
• Experience with MS SQL stored procedures, database design and optimization
• Experience developing and utilizing web services
• Experience with high volume consumer-oriented web sites
• Experience working in an Agile Scrum environment
• Experience with formal test procedures, release management
• Preferable Travel industry experience preferred, especially programming associated with GDS’s - SABRE, Farelogix, and Travelport
• Ability to distill complex business needs into functional requirements
• Excellent follow-up, verbal and written communication skills
• Excellent problem-solving skills and an ability to make good decisions
• Team player with a professional attitude
• Ability to manage multiple tasks and maintain tight schedules
• Ability to work effectively with a geographically dispersed team in India

Strategic and Development Responsibilities

• Ability to "think outside the box"
• Ability to provide accurate and timely project estimates.

Software Tools/Languages

Required:        MS Visual Studio, MS SQL Server Management Studio, IIS, AWS, Angular, Ionic, Android, C#, Web Services, MS SQL (stored procedures), Jenkins, DevOps Tools.

Education

• Bachelor of Science in CS, MIS, or equivalent.

1. Build pixel-perfect UIs across Android and iOS mobile platforms.
2. Leverage native APIs for deep integrations with both platforms. 
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native. 
4. Developing and releasing complex, data-driven apps using React Native as the primary application framework. 
5. Proficiency writing Modern JavaScript, including ES6+, and JSX.
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Must be able to develop high-performance cross-platform apps using React-Native.

• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon, both in regards to estimates and to the general process.
• Ability to identify with the goals of FullStack clients and dedicate yourself to delivering on the commitments you and your team make to them.
• An understanding of React Native best practices and a commitment to following them.
• Ability to work through new and difficult React Native issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• A positive mindset and can-do attitude.
• 2+ years of professional experience working with React Native.
•  

We are looking for a hands-on Android Developer to join our mobile team. The apt applicant must have Android software development skills, a passion for delivering high-quality, rock-solid apps. Android programming works closely with other app development and technical teams.

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable Java and Kotlin code
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automatization.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Bachelor's degree or higher in Computer Science and minimum 4 years of Software Development experience- Knowledge of Mobile automation and experience on platforms such as espresso
• Knowledge of application profiling and performance monitoring tools such as Android profiler, AppDynamics, Dynatrace, etc.
• Excellent coding skills in an object-oriented language such as Java and Kotlin.
• Experience with offline storage, threading, and performance tuning
• Have published at least one original Android app.- Understanding of Google's Android design principles and interface guidelines- Strong knowledge of Android UI design principles, patterns, and best practices

You will be working with top-quality engineers who have built one of the best employee engagement SaaS platforms. You will be reporting to AVP Engineering and working closely with the Architect and other leads.

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality on content, interact and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Xoxoday works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status