Urgent Opening | Sr. 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.

Job Description

We are seeking a highly skilled Sr. Fullstack Mobile Developer with a passion for crafting exceptional mobile experiences and robust backend systems. This role demands a deep understanding of React Native, Node.js, and modern cloud ecosystems like AWS, combined with a commitment to best practices and continuous improvement.

As part of our team, you will work closely with cross-functional teams to design, build, and maintain high-performance mobile applications and scalable backend solutions for our clients. The ideal candidate is a team player with a growth mindset, a passion for excellence, and the ability to energize and inspire those around them.

Requirements

• Education: Bachelor’s degree in Computer Science, Engineering, or a related field.
• Experience: 4-6 years of professional experience as a Fullstack Developer, with at least 3 years in mobile development using React Native.
• Proven expertise in building and scaling mobile applications and backend systems in a services environment.
• Strong proficiency in Python or Node.js, AWS, and database technologies (SQL and NoSQL).
• Experience implementing CI/CD pipelines and automation tools.
• Deep knowledge of software engineering best practices, including clean code principles and test-driven development.
• Familiarity with AI copilots and a willingness to incorporate AI-driven tools into workflows.
• Excellent communication and collaboration skills, with the ability to inspire and influence teammates.
• Demonstrated growth mindset, passion for learning, and a commitment to excellence.
• A perfectionist attitude with an eye for detail and a drive to deliver outstanding results.
• Prior experience working with a services company is a must.

Benefits

• Creative Freedom: A culture that empowers you to innovate and take bold product decisions for client projects.
• Comprehensive Healthcare: Extensive health coverage for you and your family.
• Tailored Growth Plans: Personalized professional development programs to help you achieve your career aspirations.

• FRONT-END iOS development in SWIFT (preferable), OBJECTIVE C using AGILE METHODOLOGY to design, develop, debug and deploy iOS Mobile applications with modern architectural practices
• Cross-functioning with our product development team wherein you’ll tackle complex tasks and transform them into intuitive, accessible and easy-to-use UI for our customers around the world
• Follow the coding guideline standards to ensure a bug free code as per industry norms.
• Complete unit testing of the code before sending it for review
• Participate in the complete agile software delivery cycle, including development, testing, troubleshooting etc.
• Participate in process improvement program to improve the overall quality of the delivery process.
• This role offers good exposure in E-COMMERCE SEGMENT with HIGHLY SCALABLE design solutions
• Min of 3 years of relevant experience in iOS app development is a must, preferably in e-commerce vertical

• Proven knowledge of iOS SDK and development on X-CODE IDE using SWIFT (preferable), knowledge of OBJECTIVE C, JAVA will be an added advantage
• Responsive Front End Designs with adaptability to various screen sizes
• Familiarity with REST web services and RESTful APIs. Knowledge of SOAP would be an added advantage
• iOS UI design principles, patterns, and best practices, preferably MVC, MVVM & MVP
• Good knowledge of SQLite, JS/JQuery for database management
• Proficiency in code versioning tools/Source Code Repositories like GIT, SVN
• Experience with offline storage, threading (AJAX), and performance tuning
• Agile/Scrum methodology using JIRA or any agile tool
• Exposure to security protocols for code, data and system
• Knowledge of the open-source iOS ecosystem, OOPs and the libraries
• A knack for benchmarking and optimization
• Familiarity with continuous integration

• Self-learner with passion for learning new technologies along with a creative problem-solving approach
• Strong communication skills (verbal & written)
• Should be adaptable to new ideas and have an out of box thinking approach
• Effective interpersonal communication skills in a highly collaborative team environment

• 3-5 years of relevant experience
• B.E/ B. Tech/ M. Tech in Computer Science/ Electronics Communication/ IT engineering
• M.Sc. (Computer Science or IT)/ MCA from a reputable institute
• Good communication in written and spoken English

Own Android SDKs, working hand-in-hand with the founding team

Design and build delightful user interfaces for native apps on Android

You will be (co-) responsible for our software development kit (SDK) for Android

Building mobile apps in both Swift and Kotlin.

You work independently on your own code, but you also spend time collaborating with others.

You are involved in all stages of app development and contribute to the roadmap.

You get the freedom to experiment with new Android technology.

Ownership — advocate for projects and solutions that need to be launched ground up.

Experience

Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /Gradle/Groovy.

Worked on SDKs/Frameworks.

Strong understanding of software design patterns as well as Android specifics.

Experience with authenticated sessions using authentication tokens and have at-least

fundamental knowledge of app security.

Good to have:-

Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,

Xamarin).

Have implemented security standards and guides.

Experience building applications at scale.

Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or

Camera API.

Good understanding of garbage collection, design patterns and continuously

discover, evaluate,and implement new technologies to maximize development efficiency.

Unit-test code for robustness, including edge cases, usability, and general

reliability

We’re looking for a Senior Android developer who will take a key role in our team. You will be working alongside other engineers and developers, collaborating on the various layers of the infrastructure.

Responsibilities:

• Design and build advanced application features 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.
• Resolving/ fixing bugs and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Requirements:

• Proven software development experience and Android skills development.
• Proven working experience in Android app development and Kotlin.
• Have published at least one original Android app.
• Experience with Android SDK.
• Experiece with Flutter Development
• Experience working with remote data via REST and JSON.
• Experience with third-party libraries and APIs.
• Working knowledge of the general mobile landscape, architecture, threading, offline data storage, trends, and emerging technologies.
• Solid understanding of the full mobile development life cycle.

At Tailwebs, we’re well aware of the impact our solutions have on the world’s leading brands. But we won’t rest until everybody knows. We are looking for an Android developer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications.

GIVE UP BEING A PERFECTIONIST

Our ideal candidate will be trusted to dive right in, take the lead, make initiatives, and help top- notch brands that help make everyday activities easier for people around the world. You are never going to be perfect but keep on striving to become better at anything.

Tailwebs is a digital business organisation engaged with a range of companies from start-ups to top-notch corporations, which offers a multitude of services such as web designing, start-up software development, mobile/ web app development, and technology consulting.

Do you consider yourself to be a creative individual who is willing to step outside of the box in an effort to raise the bar in mobile technology development?

Then you might be the right team member we are looking for!

Have a look at your major objectives:

-Give up being a perfectionist

-Willingness to take that extra mile is the key to excel at this role in Tailwebs

Peek through what your weekly and monthly responsibilities look like?

-Continuously discover, evaluate, and implement new technologies to maximise development

efficiency

-Working in a team of talented Android engineers to improve development

-Work closely with product management & UX to execute an idea from concept to delivery using

excellent software design, coding, & processes

-Design and build advanced app features for the Android platform

-Translate designs and wireframes into high quality code

-Design, build, and maintain high performance, reusable, and reliable Java 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

And here’s what you need to qualify for the interview:

• 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
• Ability to design applications around natural user interfaces, such as “touch”
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration
• Bachelor’s degree in Computer Science, Engineering or a related subject

Job Type: Full-time

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/