SDE 3 Mobile Application Developer (ReactNative)

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.

Company Description

Sciflare Technologies Pvt. Ltd. is a 10+ years dynamic and innovative IT and software development company located in Chennai. With a strong presence in the US, Europe, and UAE, we specialize in various domains, including AI, Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. Our team of over 40 talented professionals is dedicated to delivering cutting-edge solutions that drive our clients' success. Our top clients include Provident Bank, Century Financial, HDFC Life, The New Indian Express, Cisco, and EROS Group.

Join us and be a part of a company that thrives on creativity, technology, and excellence.

CHANCE TO WORK WITH APPS WITH 10LAKH CONCURRENT USERS IN GAMING INDUSTRY

Role Description

• You are a champion at Code reviews and Unit/Mock/integration Tests
• You have a strong sense of ownership of what you design and deploy
• You provide strong technical mentorship to team members
• You are an excellent team player
• You continuously learn and improve

We are seeking a highly motivated and experienced Senior React Native Engineer to join our team. In this role, you will lead and manage software development projects across diverse domains such as Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. You will be responsible for ensuring the successful delivery of projects, meeting deadlines, and exceeding client expectations.

Skill Sets

• Startup Experience: Proven track record of taking ownership of projects and delivering impactful results in a startup environment.
• Relevant Experience: 3-9 years of experience in mobile app development, with a strong focus on building high-performance, scalable, and maintainable React Native applications.
• React Native Expertise: Extensive experience with React Native, including deep knowledge of its ecosystem, libraries, and tools.
• JavaScript & TypeScript: Proficiency in JavaScript and TypeScript, with experience in writing clean, maintainable, and efficient code.
• Mobile Development: Hands-on experience in developing cross-platform mobile applications for both iOS and Android, with a strong understanding of platform-specific guidelines and best practices.
• State Management: Proficiency with state management solutions such as Redux, MobX, or Context API.
• APIs & Integration: Experience integrating with RESTful APIs and GraphQL endpoints, with a strong understanding of asynchronous data fetching and state management.
• UI/UX Design: Strong understanding of UI/UX principles and experience working with designers to implement user-friendly interfaces and improve app usability.
• Testing & Debugging: Experience with mobile testing frameworks and tools such as Jest, Detox, or Appium. Skilled in debugging and performance optimization for mobile applications.
• Version Control & CI/CD: Experience with Git, pull requests, and CI/CD pipelines. Familiarity with tools like GitLab, GitHub, or Bitbucket.
• Agile Practices: Experience working in Agile environments, with a solid understanding of SCRUM and related methodologies.
• Collaboration & Communication: Excellent teamwork and communication skills, with the ability to collaborate effectively in a remote or distributed team setting.
• Solutions-Oriented: Ability to tackle complex problems with a solutions-oriented mindset, adapting to the fast pace and challenges of startup life.

Responsibilities

• Scalable Architecture: Lead the design and implementation of scalable mobile architectures that ensure performance, reliability, and maintainability of React Native applications.
• Informed Decisions: Make architectural and technical decisions that align with the companys business objectives and technical strategy.
• Code Quality & Standards: Maintain high standards of code quality through regular code reviews, adhering to best practices and industry standards.
• User Experience: Work closely with UX/UI designers to ensure that applications provide a seamless and engaging user experience.
• Performance Optimization: Optimize mobile applications for speed, responsiveness, and efficiency, ensuring a smooth user experience across both iOS and Android platforms.
• Testing & Debugging: Implement comprehensive testing strategies to identify and address issues early in the development cycle, ensuring reliable and high-quality releases.
• Collaboration: Collaborate with product managers, designers, and other developers to understand user requirements and deliver features that meet user needs and project goals.
• Continuous Learning: Stay current with the latest trends, technologies, and best practices in React Native and mobile development to drive innovation and improvement.
• Autonomy: Take ownership of projects and tasks, working independently and effectively without the need for constant supervision.
• Simplicity: Strive for simplicity and elegance in your code and solutions, avoiding unnecessary complexity.
• Proactive Problem Solving: Anticipate and address potential issues before they arise, contributing to the overall success of the team and project.
• Solution-Oriented: Focus on delivering practical solutions to problems, going beyond just writing code to contribute to the overall success of the product.

Life@Sciflare:

• An exciting & lively workplace gives you the chance to work in an environment where you may unleash your creativity and inventiveness to the best extent possible.
• Work in a collaborative setting where your cooperative team contributes new perspectives to your objectives and forges strong bonds.
• Growth mindset: You are nurtured through each stage of your professional advancement by learning and unlearning new things.

The role is office-based, working from Monday to Friday 9:00 AM to 06:00 PM & all Saturdays & Sundays are off.

Job Description:

We are looking for a talented and motivated Full Stack Development Intern to join our team. This internship offers an exciting opportunity to work on real-world project, enhance your skills, and gain hands-on experience in full-stack development using Flutter for mobile applications and React for web development.

Key Responsibilities:

• Mobile App Development: Collaborate on building and enhancing the Flutter mobile application for Android and iOS.
• Web App Development: Assist in creating responsive and feature-rich web applications using React.
• Backend Integration: Work on integrating the frontend with our backend systems and APIs.
• Debugging & Optimization: Identify and resolve issues across platforms to ensure high performance and scalability.
• Collaboration: Work closely with designers, developers, and product managers to bring ideas to life.
• Feature Development: Implement new features across the mobile app, web app, and backend to enhance the user experience.

Skills and Qualifications:Must-Have:

• Experience or academic exposure to Flutter and React.
• Basic knowledge of Dart for Flutter and JavaScript/TypeScript for React.
• Understanding of RESTful APIs and how to consume them.
• Familiarity with Node.js.
• Knowledge of Git for version control.
• Basic database concepts (MongoDB).
• Strong problem-solving skills and the ability to work in a collaborative environment.

Nice-to-Have:

• Exposure to state management tools like Redux.
• Knowledge of Keys(Global keys) in Flutter.
• Knowledge of AWS.

Diagnal Technologies is a fully owned subsidiary of Diagnal Inc, Hong Kong.  It’s a product company focusing on media and entertainment clients, creating Video on Demand apps for their customers. We are a team of OTT video solution specialists helping our customers build the new digital media industry in Asia Pacific and beyond. We create viable revenue generating video streaming products, enable our customers to gain business and operational insights through big data analytics and empower them to engage with their users more effectively through targeted marketing campaigns. Started its Development Center in Technopark Phase III campus and focusing on Indian and International clients.

Position: Senior Android Developer
Must have skills-Kotlin, MVVM architecture, Dependency Injection(Dagger/KOIN)

Job Description

You have:

• 1-3 years of experience of Android development in a project services or product engineering organisation
• Experience with developing highly polished consumer facing user interfaces with smooth interactivity
• Published applications on the Google Play Store
• Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
• An engineering Degree in computer science or equivalent practical experience
• A solid understanding of operating system fundamentals, application performance optimisation and backend integration

Mandatory: Hands on experience working with Swift 3 , Swift 4. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , core-data , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / Viper , network check.

Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.