Application Developer

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

We are seeking a talented and experienced Engineering Lead to join our Team. As the Engineering Lead, you will play a crucial role in driving the technical direction of our mobile app development, focusing on iOS and ReactJS technologies. You will lead a small team of software engineers and work closely with the product and design teams to deliver innovative and high-quality mobile applications. The ideal candidate is a hands-on technologist with a passion for startups, possesses strong leadership skills, and thrives in a fast-paced, dynamic environment.

Responsibilities:

• Lead and manage a team of software engineers, providing mentorship, guidance, and support throughout the software development lifecycle
• Set clear objectives and performance expectations for the team members, and regularly assess and review their performance
• Collaborate with product managers, designers, and other stakeholders to understand project requirements and define the technical roadmap for mobile app development projects.
• Provide technical expertise and guidance to the team, assisting with architectural decisions, code reviews, and problem-solving.
• Ensure the timely delivery of high-quality mobile applications by managing resources, setting realistic project timelines, and resolving any obstacles or bottlenecks.
• Stay up-to-date with the latest industry trends and advancements in mobile app development, iOS, and ReactJS technologies, and identify opportunities to leverage new tools and frameworks.
• Foster a culture of continuous improvement within the team, encouraging knowledge sharing, adopting best practices, and promoting a positive and collaborative work environment.
• Collaborate with cross-functional teams, such as QA, DevOps, and UX/UI, to ensure seamless integration and deployment of mobile applications.
• Act as a point of contact for technical discussions, representing the team in meetings with stakeholders and upper management.
• Identify and address any technical or performance-related issues, working closely with the team to resolve them and ensure the stability and scalability of the mobile applications.

About

We were founded in the year 2015 with an entrepreneurial vision to bring a digital change in the B2B landscape of India. Now, with a team of 200+ people, bijnis is working towards transforming and digitizing the way manufacturing works in the unorganized Industries like Footwear, Apparel etc.

Key Competencies:

• 2+ years of experience in React-Native based app development is a must.
• Must have published at least 1 major React-Native app
• 2+ years of experience in building consumer facing Mobile Applications in React or React Native (Layouts, animations, etc.)

• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces.
• Good understanding of Design and Architecture Patterns
• Strong focus on app performance
• Sound knowledge of any type of mobile app development Native(android) or Hybrid.
• Good Experience of working in React Native and its supporting architectures.
• Proficient in JavaScript, CSS, HTML5
• Strong working experience with third-party dependencies and debugging dependency conflicts.
• Ability to quickly learn React Native with Redux.
• Ability to write clean code.
• Familiarity with version control management system (e.g. git)
• Knowledge of Scrum development and DevOps

• Good time management, interpersonal and communication skills, team player.

Roles/Responsibilities: 

• Work on React Native on the front end to develop Android/iOS Apps.
• Write JavaScript code in React native for the app logic. Write business logic using Reducers, Actions and Redux framework.
• Create Android/iOS specific UI for Mobile apps.
• Integrate with Native plugins or custom written plugins for specific platforms.
• Write Modular, organized and robust code.
• Write Unit tests for your code.

What will you do? (but not limited to)

• Design, develop, and maintain our mobile applications using either Flutter or React Native, ensuring high performance and responsiveness across both Android and iOS platforms.
• Collaborate closely with the product and development teams to design and develop innovative features that align with our mission and user needs.
• Write clean, maintainable, and efficient code that adheres to industry best practices, and conduct code reviews to uphold high-quality code.
• Troubleshoot, debug, and upgrade the software to ensure optimal performance, security, quality, and responsiveness of applications.
• Lead and mentor junior developers, fostering a culture of continuous learning, innovation, and improvement.
• Drive architectural decisions and lead efforts to scale and improve our codebases.
• Work closely with stakeholders to understand and address their needs, translating business requirements into technical solutions.

Who can apply?

• Minimum 3 years of experience as a Mobile Application Developer with a proven track record in developing and deploying mobile applications for both Android and iOS platforms.
• Proficiency in React Native, with a deep understanding of cross-platform mobile development and app architecture.
• Strong knowledge of JavaScript (for React Native), and familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ, and other IDEs.
• Strong problem-solving skills, with an ability to think algorithmically and a keen eye for debugging and optimizing code.
• Experience with app development languages such as Swift, Kotlin, or Objective-C and with utilizing RESTful APIs for backend integration.
• Proficient understanding and utilizing code versioning tools, such as Bitbucket.
• Experience in a startup environment and building products from scratch is highly preferred.
• Excellent communication skills, with the ability to lead and inspire a team.
• Strong project management skills, with experience in agile methodologies.
• Demonstrated ability to make sound decisions based on a balance of data, experience, and judgment.

Requirements:

• 4-6 years of overall development experience.
• Very good understanding of core Javascript concepts.
• 3 years of React Native experience for iOS and/or Android.
• Extensive knowledge about mobile app development.
• This includes the whole process from the first line of code to publishing in the store(s).
• Some understanding of the build process involved with iOS and Android.
• Comfortable with basic design concepts and flex ui.
• Great attention to code quality & coding standards.
• Good grasp of architectural principles and patterns.
• Proficiency in Javascript/Typescript.
• Very good communication skills in English.

• Design, build and maintain efficient, reusable, and reliable code
• Development of UI elements and Integration with APIs
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automatization
• Ensure high performance and responsiveness of requests.
• Must be able to write solutions that scale
• 3 - 4 years of full-time work experience in React Native
• Self-motivated with excellent work ethics
• Experience in React Native bridging concepts
• Experience with Typescript.
• Have developed and published apps for either Android or iOS.
• Design, development, coding, testing and debugging skills
• Knowledge of version and revision control practices and procedures
• Knowledge of prototyping and rapid development techniques
• Strong verbal and written communication skills Desired Candidate
• State management in mobile applications
• Security methodologies in mobile application development
• Experience with offline storage, and performance tuning
• Experience working on plugin integration.
• Optimize code for performance and scalability
• Deployment of apps on App Store / Play Store
• Collaborate with cross-functional teams to define, design, and ship new features
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Proficient understanding of code versioning tools such as GIT
• Ensure the technical feasibility of UI/UX designs
• Can work well independently as well as in a team
• Flexible to work in any mobile technology
• Understanding of Agile development methodologies
• Interacting with Business Analysts, SMEs to understand the Business Processes and Business Rules
• Familiarity with native build tools, like Xcode, Gradle ( Android Studio, IntelliJ)
• Strong mobile development experience, including integration with Native Modules and custom iOS/Android SDKs
•  

This person MUST have:

• BE Computer Science, MCA or equivalent
• Mobile app development experience.
• Good understanding of the full mobile development life cycle,strong debugging and problem-solving skills.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Strong React Native experience
• Understanding of APIs, pagination,searching,sorting
• Creating high performance UI etc.
• Familiarity with native build tools, like XCode, Android Studio, Gradle.
• Leverage native APIsfor deep integrations with both platforms.
• Strong communication skills.

Experience:

• Min 3 year experience
• Not more than 15 year experience.

• 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 the Apple 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.