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.

About Manasio pvt ltd
About
Connect with the team
Similar jobs
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
Responsibilities
- Write clean, high-quality, high-performance and maintainable code
- Solve complex technical problems
- Perform an objective analysis of the problem statement and come up with an unbiased technical solution before writing a single line of code
- Coordinate cross-functionally to ensure the project meets business objectives and compliance standards
- Participate in and drive code reviews
Requirements
- Excellent attention to detail.
- Outstanding written and verbal communication skills.
- Demonstrated expertise in building production-grade and high-performance applications.
- Must be a self-starter who can work well with minimal-to-no guidance in a fluid environment.
- Must be excited by challenges surrounding the development of highly scalable & distributed systems.
- Agility and ability to adapt quickly to changing requirements and scope and priorities.
- Object-oriented software development experience.
- Experience building Android applications in Java/Kotlin using Android SDK.
- Strong focus on high-quality mobile UI experiences.
- Experience building maintainable and testable code bases, including API design and unit testing techniques
- Experience with multithreading programming and mobile memory management.
- Experience with open source libraries like Retrofit, RxJava, Dagger 2, Lottie.
Preferred Requirements
- Experience in Javascript/React JS/Flutter is a plus.
- Bonus points for open-source contributions, side-projects, blog posts, and YT tech videos.
- BS in Computer Science (or related field)
- 4-5 years of relevant work experience
JOB DESCRIPTION
React Native Developer
It is a platform for creators, influencers and celebrities to grow, manage and monetise their community. It is aimed at both established and aspiring online creators who want to pursue their passion. Our vision is to enable anyone and everyone to make a successful living doing what they enjoy.
- Roles & Responsibilities:-
- Architect, build and maintain excellent React Native applications with clean code.
- Implement pixel perfect UI's that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party API's.
- Write unit and integration tests.
- Release applications to IOS and Google Play stores.
- Work with native modules when required.
- Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and a designer.
- Complete two week sprints and participate in sprint retrospectives and daily standups.
- Assist with building estimates.
- Interface with clients via Slack, Zoom, and email.
- Track your time throughout the day using Toggle.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Be part of a community of React Native developers who share knowledge and help each other as problems arise.
- Required Candidate profile:-
- 2+ years of professional experience working with React Native.
- 4+ years of professional software development experience.
- Experience working with Swift, Java required.
- 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.
- 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.
- Forensic attention to detail.
- You work well within a team environment and enjoy working in the office with your colleagues.
About the company
Credit cards haven't changed much for over half a century so our team of seasoned bankers, technologists, and designers set out to redefine the credit card for you - the consumer. The result is OneCard - a credit card reimagined for the mobile generation. OneCard is India's best metal credit card built with full-stack tech. It is backed by the principles of simplicity, transparency, and giving back control to the user.
The Engineering Challenge
“Re-imaging credit and payments from First Principles”
Payments is an interesting engineering challenge in itself with requirements of low latency, transactional guarantees, security, and high scalability. When we add credit and engagement into the mix, the challenge becomes even more interesting with underwriting and recommendation algorithms working on large data sets. We have eliminated the current call center, sales agent, and SMS-based processes with a mobile app that puts the customers in complete control. To stay agile, the entire stack is built on the cloud with modern technologies.
Check out our apps here:
OneCard (Best credit card app) : http://www.getonecard.app/">www.getonecard.app
OneScore (5 million downloads): http://www.onescore.app/">www.onescore.app
Senior Software Engineer – Frontend
Create a consumer facing front end application that will be used by millions of users.
What you will do:
- Develop our mobile apps using React Native.
- Work with backend, frontend, and other developers to build out a customer-centric experience that will constantly evolve.
- Work with our designers and customer success team to create a seamless user experience.
- Respond to support team tickets as needed to resolve bugs and issues.
- Participate in contributing ideas, updates, and product development areas to the team.
Experience Range:
3-5 years with technical hands-on experience in building a consumer mobile app. You must have shipped an app to the stores.
Technical Expertise:
- 3-5 years experience Android/iOS native apps or React Native based apps and Web front-end technologies such as React.
- Strong command of JavaScript ES6.
- Know how to build (fairly) complex layouts without using any CSS frameworks.
- Strong problem solving and analytical skills using data structures.
- Comfortable in a fast-paced startup environment.
- Bias for action shipping quality code quickly.
A Product based company is looking out for software engineers in the following categories.
If your profile matches any of the skills&experience categories and you are looking for a change, Salary won't be a constraint for the right candidate
Category : 0 to 2 years of experience in mobile applications development for android or iOs platforms.
Basic Qualifications :
- Bachelor's degree or equivalent combination of education and experience
- Bachelor's degree in software engineering, information systems, computer science, or related field preferred
- 4 or More Years of technical experience in product design and support
- Hands-on experience in the following areas: React Native, Android, iOS, HTML5, JavaScript, Single Sign On, SAML, Web Services,
- .NET, SQL Server, IIS, PowerShell, Troubleshooting, Performance Tuning,
- Mobile and PC Application Development, Cloud Computing.
-
Leverage native APIs for deep integrations
-
Solving any challenges that might appear on the way
-
Diagnose and fix bugs and performance bottlenecks for performance that feels native
-
Maintain code and write automated tests of quality that sets the benchmark for your future colleagues
-
2+ years of relevant industry experience in React Native
-
A deep understanding of JavaScript
-
Familiarity with video recording, playback, and uploading libraries
-
Experience with Native Android app deployment
-
Familiarity with modern front-end build pipelines and tools
-
Familiarity with Socket.io is a plus
-
Familiarity with RESTful APIs
-
Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interface
-
Highly accountable and takes ownership, with a collaborative attitude, and a lifelong learner
-
Familiarity with code versioning tools (such as Git)
●Hands-On Experience In Javascript & React Native
●Experience In Developing User Interface Components And Implementing Them Following Well-Known React Native Workflows
●Expertise In Front-End And Understanding Of REST API Design.
●Ability To Write High-Performance, Reusable Code For UI Components
●Good Understanding Of Asynchronous Request Handling, Partial Page Updates, And AJAX
●A Solid Understanding Of Object-Oriented Programming
●Working Knowledge Of Version Control Tools Like Git.
●Familiarity With Application UX Designs
●Unix / Linux Experience
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.
●Working With The Design Team To Convert Their Elegant Design Into A Working Model.
●Build Reusable Code And Libraries For Future Use
Optimize Application For Maximum Speed And Scalability
Developing new user-facing features using React.js/React Native
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- 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.
Exp: 3 -5 Years
Work Location: Hyderabad, Begumpet
Notice Period: 0 -10 Days only
Roles & Responsibiites:
1.Need to have hands on experience in Hybrid Mobile Development
2. Application/Native - AndroidiOS, HTML5, CSS3, JavaScript, jQuery, Java, MSSQL - complex SQL queries, View, Procedures etc, WAS.
3. Should have working experience with Cordova, Ionic, React.
4. 2+ years of professional experience in Native React
5. Highly proficient in rendering components with Native APIs
6. Highly proficient in JavaScript, modern JavaScript, HTML








