
Job Profile: React Native Developer (2+ Years Experience)
Location: Kolkata
Work Mode: Work From Office
Experience Required: 2+ Years
Employment Type: Full-Time
Job Description
We are looking for an experienced React Native Developer with 2+ years of hands-on experience to join our mobile development team in Kolkata. The ideal candidate will be responsible for building high-quality, scalable, and performance-optimized mobile applications for Android and iOS platforms.
Key Responsibilities
- Develop and maintain cross-platform mobile applications using React Native
- Convert UI/UX designs into pixel-perfect mobile interfaces
- Integrate RESTful APIs and handle asynchronous data
- Optimize mobile applications for performance, stability, and scalability
- Implement state management using Redux, Context API, or other libraries
- Write clean, maintainable, and reusable code
- Debug, troubleshoot, and resolve production and performance issues
- Collaborate with backend developers, designers, QA, and product teams
- Participate in code reviews, sprint planning, and Agile ceremonies
- Publish and maintain apps on Google Play Store and Apple App Store
Required Skills & Qualifications
- 3+ years of experience in React Native
- Strong knowledge of JavaScript (ES6+) / TypeScript
- Hands-on experience with React Hooks and Functional Components
- Experience with Redux / Context API
- Strong understanding of mobile UI/UX guidelines
- Experience with REST APIs and third-party SDK integration
- Familiarity with Android Studio and Xcode
- Experience using Git for version control
Good to Have
- Experience with Native Modules (Android / iOS)
- Knowledge of Expo
- Experience with Firebase (Auth, Push Notifications, Analytics)
- Familiarity with CI/CD pipelines for mobile apps
- Understanding of app performance optimization techniques
Behavioral & Soft Skills
- Strong analytical and problem-solving skills
- Good communication and collaboration abilities
- Ability to work independently and meet deadlines
- Willingness to work from office in Kolkata
What We Offer
- Stable work-from-office role in Kolkata
- Opportunity to work on live production mobile applications
- Career growth and technical learning opportunities
- Supportive and collaborative work environment

About Bit Canny technologies Pvt. Ltd
About
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Here are the skills we are looking for
1. experienced in mobile development using react native framework should be proficient in
2. must be fluent in java script(and typescript) and its nuances including ES6+ syntax.
3. deep understanding of how to optimize react native apps for iOS and android, including offline storage, threading ,and programming concepts.
4. strong understanding in object-oriented programming concepts.
5. experience integrating third party libraries and APIs.
JOB DESCRIPTION:
-Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
-Build pixel-perfect, smooth UIs across both mobile platforms
-Leverage native APIs for deep integrations with both platforms
-Diagnose and fix bugs and performance bottlenecks for performance that feels native
-Knowledge of functional and object-oriented programming
-Strong knowledge and experience in either iOS or Android native application development
-Familiarity with native build tools, like XCode, Android Studio
Must Good to Have Details :
- Must have at least 1 year of experience on React Native along with architecture experience in Mobile Applications.
- Have strong knowledge of App UI design principles, patterns, and best practices
- Familiarity with native build tools, like XCode, Gradle, Android Studio IntelliJ, VsCode
- In-Depth Knowledge of React, React Native, TypeScript or JavaScript Redux, Hooks, ECMAScript (ES6, ES7 etc.), Node, NPM and iOS & Android Build systems
Must have :
- Understanding of REST APIs, the document request model, and offline storage and must have on React Native chart Library
- Working knowledge on Sending Notifications with APNs & FCM
- Experience working with Backend Web Services (like REST etc), Fetch API, and Axios and knowledge of Databases (Relational, Distributed etc.)
- Experience in integrating libraries like React Navigation, React Native, Firebase, Social Logins (Facebook, Google, Apple etc.), Push Notifications etc.
- Responsive layouts in both platforms in reactive native using Media Query & Flexbox
- Sound knowledge of Design Patterns like Creational, Structural, and Behavioral
Good to have :
- Working experience on third-party dependencies and debugging - dependency conflicts
- Must be able to integrate native code in react-native and expo Modules
- Able to generate builds for both IOS(.IPA) and Android (APK) Platforms and experience in hosting apps on respective Stores(AppStore, PlayStore).
- Professional Communication (written, verbal presenting)
- Open to learn and adapt to new technologies
- Go-getter, Result oriented Creative & Innovative approach
- Excellent Communication Skills
| Experience in designing and implementing enterprise grade software. Strong knowledge of Java for Android and familiarity with mobile development challenges. Familiarity with Android API’s and libraries. Experience in working on React Native framework. Experience with HTML5, CSS3, JavaScript, TypeScript. Experience in building applications UI using React Native. Experience in using REST API’s in Android application. Understanding of code obfuscation & encryption techniques preferred. Understanding of distributed multi-tier infrastructure. Experience in working independently and in cooperation with others. Nice to Have: Experience with ExoPlayer or any OTT video players. Understanding of multimedia content delivery protocols such as HLS, DASH. Experience using media players on various mobile platforms. Experience with Kotlin. Architecture skills. Experience with framework/library development. Familiarity with git, GitHub and Git Flow. An understanding of UI/UX implementation on Android. An understanding of automated testing on Android. |
Roles and Responsibilities:
● Build pixel-perfect, buttery smooth UIs across both mobile platforms
● Leverage native APIs for deep integrations with both platforms
● Diagnose and fix bugs and performance bottlenecks for performance that feels native
● Reach out to the open source community to encourage and help implement mission-critical
software fixes—React Native moves fast and often breaks things
● Maintain code and write automated tests to ensure the product is of the highest quality
Requirements:
● Firm grasp of the JavaScript / TypeScript / ClojureScript language and its nuances
● Knowledge of functional / object-oriented programming
● Ability to write well-documented, clean Javascript code
● Rock solid at working with third-party dependencies and debugging dependency conflicts
● Familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ
● Understanding of REST APIs, the document request model, and offline storage
● Experience with automated testing suites, like Jest or Mocha
communication, student portfolios or reports creation, Toddle makes working together simple
and fun. Currently, Toddle is being used by 1,000+ progressive schools and 25,000+ teachers
across the world. All our growth has been 100% organic and fuelled by positive word of mouth. Over the next 3 years, our goal is to become the preferred teaching partner of more than 50% K-12 teachers across the world.
About the Lead Mobile Engineer Role
We are looking for a passionate and skilled Mobile Engineer, one who partners with us in
creating beautiful products for teachers, students and parents alike. As a Mobile Engineer, you
will play a major role in designing, developing and deploying high-quality web platforms. In this
multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and
students, and user-test the product in real school settings.
Required Skills:
• Proficiency in mobile development in ReactNative
• Native development experience in iOS or Android
• Programming skills - JS, HTML5/CSS3
• Technologies/Frameworks - React,ReactNative, Node.js, GraphQL
Tooling: Webpack, Git
• Lead a team of 2 - 3 engineers
• Work experience: 5+ years
Good to have:
• Experience in dev ops - AWS, Lambda, RDS, CI/CD
• Experience in software testing for Web / Mobile
• Basics of Photoshop,Sketch
Mooofarm aims at providing solutions to the burning problems of dairy farmers by extending the highly lacking technology support to the farmers. We plan to provide AI/Vet, E-commerce, and Fin-tech services to the farmers and simultaneously solve the last mile delivery problem
using technology.MoooFarm is a purely tech-oriented company and is founded by alumni from IIT and the London School of Economics. The MoooFarm research team has developed and patented World’s first Cattle Facial Recognition, and is also working with Microsoft for cattle disease
detection using udder image.
What makes MoooFarm a GREAT fit for you?
When you join MoooFarm, you become a part of a fast-growing team that helps the world become more connected and smarter. We are an award-winning Agri-Tech startup that uses global leadership and expertise in the areas of agriculture and technology to transform the age-old practices of the dairy business into a modern and interesting way of doing the same
by infusing technology into farmers’ lives.
-
Architect, build & maintain beautiful, world-class, enterprise-grade mobile apps
-
Build for multiple platforms (iOS, Android) using a single code base (ReactNative, Expoand CSS)
-
Collaborate with cross-functional teams to design, develop & ship new features
-
Build and maintain tools and infrastructure to support the rapid development and testing of mobile apps
-
Passionate about developing mobile apps for iOS and Android using JavaScript
-
A mindset to do what it takes to not just get the job done but go above and beyond
-
Quick learning mindset and a humble attitude
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Strong fundamentals in JavaScript, ES6, React, and CSS
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Good understanding and working knowledge of using REST APIs and handling errors
-
Knowledge of functional programming.Understanding of how to build performant, decoupled, testable, maintainable code.
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Experience in writing native code for android and iOS to write bridges whenever required.
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Bonus: Entrepreneurial spirit and the mindset of challenging the status quo is a big plus
-
Bonus: Experience with modern testing frameworks (e.g., Jest, react-testing-library).

The Android Developer will design and develop Native Android and Hybrid applications to meet the
functional requirements of products developed by STPL & Trinity Axis Inc. Develop native android
applications including front-end and back-end code. Make use of well-established design patterns and
architectures while following agile development processes. Perform unit testing of the code
developed, and develop unit test cases and test harnesses. Perform system integration and bug fixing,
develop user documentation, generate relevant reports and review similar work done by peers.
Measures of Success
Read and understand high level product descriptions or requirement documents and propose
one or more software designs at the module level that are highly reusable and subject to the
design principles of SaaS Platforms
Decompose design elements into structured code as per prevailing coding guidelines,
preparation and execution of unit test cases and development of test codes or test harnesses.
Trace back through code, design and resolve issues and bugs
Document work, software designs, code and record and produce test reports and release
notes.
Plan, organize and execute assignments with very little or moderate supervision
Code individually and willing to participate in every aspect of the android application
development process
Responsible for deliveries in the required deadlines. Deliveries can be modules,
documentation, customer releases etc.
Coordinate with the team for timely delivery of work products. Ensure the quality of products
by reviews
Sub-Module level responsibility in large projects and Module (or component) level
responsibility in small / medium sized projects and complete responsibility in small sized
projects, depending upon the complexity and decomposition
Work with the QA team to ensure the validity of the solution
Participate in the recruiting of team members as and when deemed necessary
Be contemporary by adopting technological and market evolutions
Other responsibilities as assigned by management from time to time
Skills & Experience Required
Good understanding of software development methodologies tools, techniques, practices
and excellent problem-solving skills in various applications- mobile, tablet, kiosk, handheld
device
Solid hands-on programming experience with RESTful APIs
Strong Experience in developing Native Android applications using Android Studio/ Eclipse
Experience with cross platform tools such as React- Native/ Ionic/ Flutter/ Cordova
Experience in developing Hybrid applications (ios & android)
Experience with offline storage, threading, and performance tuning
Hand-on experience in sqlite database integration
Knowledge of Chart API and other Google APIs and UI & UX desig ning.
Experience in Android SDK
Integration with backend services
Experience with IOT related mobile application projects
Experience in IOT related projects (monitoring, controlling, OTA updates)
Worked with Embedded related projects and embedded teams
Worked in BLE connectivity with devices.
Experience or knowledge of chat applications.
Experience in Barcode, RFID integration with android devices.
Ability to integrate various libraries and SDKs
Worked on interactive Android Kiosk applications






