React Native Developer

We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.

Key Responsibilities:

• Develop cross-platform mobile applications using React Native and JavaScript
• Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
• Work with APIs using fetch, async/await, and implement robust error handling
• Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
• Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
• Handle accessibility, dark mode, safe areas, notches, and orientation changes
• Implement animations using Animated API and LayoutAnimation
• Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
• Integrate third-party libraries, native modules, or write custom native bridges as needed
• Handle OTA updates, app size optimizations, and splash screens for both platforms
• Set up automated testing using tools like Detox or Appium
• Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
• Write clean, modular, and reusable code following patterns like atomic design or MVVM

What You'll Do:

• You will collaborate with a UX/UI designer and other frontend and middle-tier engineers to design, prototype, and build complex cloud-based web applications.
• You will assist other developers with the integration of UI components with backend logic, interface implementation, and troubleshooting.
• Supporting the existing UI is a must, however, there will be plenty of opportunities to create solutions for advanced functionality while making improvements to existing areas of the application, as well as with new features.

What Makes You A Great Fit :

• Hands-on experience with HTML, CSS frameworks, and JavaScript
• Must have an excellent understanding of the browser DOM.
• Firm grasp of lexical scoping, closures, and OO JavaScript.
• Proficient in native JavaScript as well as one or more frameworks/libraries such as jQuery, Ext JS, Backbone.js, ReactJS, Angular 6 and above, etc.
• Proficient with debugging and testing tools to troubleshoot and optimize the UI.
• Understanding of frontend security best practices and XSS, CSRF, e

1. Work closely with our customers to understand their needs and build high-quality user interfaces.
2. Build, test and ship dashboards using frameworks like React, ES6, and Webpack.
3. Work with engineers and senior leadership to turn our vision into a tangible roadmap every quarter.
4. Add positive energy in every meeting or interaction with your coworkers.

Minimum Qualifications

1. B.E/B.Tech/M.Tech in CS/CE/IT
2. Must-have requirements for candidates include proficiency in the following areas/aspects:
3. Git version control system
4. Ability to collaborate and communicate complex technical concepts.
5. Experience working with charting libraries (i.e. ChartJS, Chartist, Grafana).
6. Experience with ReactJS 
7. Experience building highly scalable, high performance, responsive web applications
8. Experience in fundamental front end web technologies including but not limited to HTML, CSS, JavaScript - Minimum work experience 2 years

Languages/Frameworks

Javascript, React, HTML/CSS

Preferred Qualifications

1. Experience building, adopting and maintaining RESTful APIs.
2. A passion for all things UI and Front End
3. Ability to work in a fast-paced and agile development environment
4. Strong customer focus and obsession with quality
5. Experience working with UI for data-heavy products. 

6-9 years of relevant experience in building webapps at scale

You must have strong understanding of semantic HTML / HTML5, CSS / CSS3.

You must have a good understanding of MVC architecture.

Prior work experience in ReactJS is Must

You must have experience in setting up the full UI workflow layer right from Development, Testing, Building and Deployment.

Never give up attitude

Experience in frameworks like Bootstrap, Foundation and CSS pre-processors like SASS and LESS is desirable.

You should have exposure to page speed improvement techniques.

Exposure of building responsive websites at scale will be a plus.

Prior exposure to building React Native components for Hybrid mobile apps will be a plus

Prior work experience in Angular, Backbone along with ReactJs is desirable.

Good understanding of webpack and redux

• Collaborate with product, design, and other engineering teams to brainstorm and resolve complex problems.
• Ensure the quality of code is up to the highest standard of readability, conciseness, efficiency, modularity, and extensibility.
• Experience with the entire Software Development Life Cycle (SDLC)
• Solid communication skills: Demonstrated ability to explain complex technical issues to both technical and non-technical audiences
• Talking to customers and business teams to suggest improvement areas in product flows.
• Create peer learnings for team members and build context for new teammates
• Help with building the company's tech team and iterating on the hiring framework.
• Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
• Keeping abreast with the latest technologies and working on your skills regularly.

Must-haves

• At least 3 years of experience working in frontend for desktop and mobile web.
• Familiar with design tools and convert them to actual code (HTML+CSS+JavaScript)
• Mastery in DOM Manipulation (including Jquery) and understand components, CTAs.
• Well-versed in other non-vanilla languages (ex. TypeScript)
• Well-versed in standard frontend framework (ex. ReactJS)
• Understanding of GraphQL APIs.
• Deep understanding of web technologies in various mobile systems
• Have empathy for the users you build for

Good to have

• Experience in the fintech industry
• Experience leading design and implementation of robust and secure web services.

About the company

One of Asia’s largest global sports media property in history with a global broadcast to 150+ countries. As the world’s largest martial arts organization, the company is a celebration of Asia’s greatest cultural treasure, and its deep-rooted Asian values of integrity, humility, honor, respect, courage, discipline, and compassion.

About the Role

The Company's Engineering team in Bangalore, India is building products for the Martial Arts fans across the world. As part of the engineering team, you would be expected to have deep technology expertise with a passion for building highly scalable products.

This is a unique opportunity where you can impact the lives of people across 150+ countries!

Responsibilities
• Own architecture, design, development, and implementation of different
modules/features of the front-end applications at ONE
• Be up to date with the latest trends in React ecosystem
• Bring in industry best practices
• Take ownership to drive an initiative to completion
• Discover opportunities for performance improvements
• Recommend ways to improve reliability, efficiency and code quality
• Focus on continuous delivery and reducing complexity
• Carry out code reviews and manage pull requests within the frontend application
development team

Requirements
• Overall 4.5+ years of experience in frontend development using React, Redux.
• B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
• Ability to write readable and maintainable JavaScript code
• Ability to build pixel-perfect user interfaces with smooth interactions
• Knowledge of Web technologies and concepts -HTML, CSS, REST APIs, Caching, etc.
• Experience in Vue.JS and Angular.JS is a plus.
• Experience using web build tools, such as Webpack, Babel, NPM, Yarn, etc.
• Solid understanding of how web applications work including OWASP, XSRF,
Security, Session management and best development practices.
• Experience in Cloud-based technologies such as AWS or Azure.
• Experience with handling Services, RESTful APIs and developing for high-volume
web applications. Experience in Microservice architecture and practices.

Build large scale web applications with Single Page Applications (SPA) architecture.

Experience to develop MV(C) based front end frameworks.

Experience with JavaScript, HTML, CSS.

Experience with JavaScript frameworks like Angular, preferably React.JS.

Good understanding of asynchronous request handling, partial page updates, AJAX and Redux.

Proficient with Chrome Developer Tools.

Additional Preferred Qualifications

Experience in Restful API services.

Experience in using performance, analytics and UX tools.

Experience with pull request process and contributing to OSS on github.com.

Experience with unit testing frameworks Mocha and Chai.

Experience with Jenkins.