ReactNative 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

Senior Mobile App Developer (Android & iOS)

Location: Brookefield, Bangalore — Onsite

Engagement: Full-Time

Experience: 3+ Years

Job Description

We are seeking a highly skilled Senior Mobile App Developer/Consultant with strong hands-on experience in building, deploying, and maintaining mobile applications for both Android and iOS, with React Native as the primary development framework.

The ideal candidate must be proficient with React Native, Android Studio, Xcode, and the end-to-end iOS App Store deployment process. This is an onsite, full-time role suitable for professionals who can take ownership and deliver high-quality product-based mobile applications. Experience in product companies or the banking/fintech domain is a strong advantage.

Primary Tech Stack (Mandatory)

React Native (Primary Framework)

Android Studio (Java/Kotlin)

Xcode (Swift/Objective-C)

RESTful APIs & Integration Patterns

App Store & Play Store Deployment Processes

Key Responsibilities

Design, develop, and maintain mobile applications using React Native for both Android and iOS.

Work with native modules when required using Swift/Objective-C and Java/Kotlin.

Build and release iOS apps to the Apple App Store, including managing certificates and provisioning profiles.

Debug, troubleshoot, and enhance mobile applications.

Optimize app performance, stability, and responsiveness.

Collaborate with product, backend, and QA teams for smooth development workflows.

Apply best practices in UI/UX, security, and mobile architecture.

Prepare documentation and provide technical guidance as needed.

Required Skills & Qualifications

3+ years of hands-on mobile development experience.

Mandatory: Strong proficiency in React Native.

Hands-on experience with Android Studio and Xcode.

Expertise in Swift, Objective-C, Kotlin, or Java.

Proven experience in building and publishing iOS apps to the App Store.

Strong understanding of RESTful API integrations.

Good knowledge of mobile UI/UX principles.

Strong debugging and problem-solving abilities.

Ability to work independently and deliver within timelines.

Nice to Have

Experience with Flutter or native-only app development.

Product-based company experience.

Exposure to Banking / FinTech systems.

Understanding of App Store Optimization (ASO).

Work Details

Location: Brookefield, Bangalore (Onsite)

Working Days: Monday to Saturday (Alternate Saturdays Off)

Timings: 9:00 AM – 6:00 PM

• Interact with the Project Managers / Leads / Clients
• Understand the requirements and provide estimates for the planned tasks
• Deliver best quality work without bugs in the estimated time frame
• Help maintain code quality, organization, and automatization
• Collaborate with cross-functional teams to design and release new features
• Help the team to identify and correct bottlenecks, fix bugs
• Excellent analytical and problem-solving skills

• Experience / strong knowledge in both iOS & Android Mobile Application technologies
• Proficient in SwiftUI, Swift, Xcode, Java, Kotlin and Android Studio, Flutter, React Native
• Experience with version control: Maven, Gradle, Git, Cocopods
• Experience in application submission/provisioning process
• Experience in performance and memory tuning
• Good understanding of computer science concepts, design patterns, algorithms, and data structures

• Experience/knowledge in any of the Back-End technologies

Benefits:

• Hybrid WFH policy
• Annual company retreat
• Team lunch

BitClass, a VC funded startup in edtech, is looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

• 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.
• Transition existing Android app to React Native.

• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
• 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

As an Architect you are responsible for research, design, test, implement, and maintain Android applications
to meet client needs. You are expected to be Subject Matter Experts on Android application architecture.
You are also expected to demonstrate value to the organization by mentoring other team members as they
learn and grow, take ownership and responsibility not only for your deliverables, but for the entire
application and its use, and to find a balance between achieving software excellence and delivering working
code.
Roles and Responsibilities
o Involved with all phases of mobile app development from initial concepts, through design, development,
testing and deployment
o You will help guide multiple Agile teams with open communication channels, regular releases, and a
focus on continuous improvement.
o Guide and mentor a team of Android developers and work closely with Quality Engineers
o Establish best practices and processes that ensure quality within the team
o Champion our best practices and mentor team on use and results of these best practices
o Responsibility for product both pre and post launch to ensure application is meeting customer needs
and achieving continued revenue goals
o Architect, Lead, implement and review new features for android phones and tablets.
o Interactive communication of designs and other development topics to Leadership, Product Owners,
Scrum Master and other Agile Team members.
o Lead code reviews to ensure code quality and shared knowledge.
o Research and analyze the existing code base to identify issues and improve application performance and
maintenance.
o Take ownership and sense of responsibility of all deliverables.
o Work within SCRUM agile process with other stakeholders (Product Owners, XD design, Quality
Engineers) as well as across organization to balance creative objectives with business needs and
technical requirements
Looking for experienced senior Android and iOS mobile architect / developers to join an established team working on a Tier 1 personal cloud platform with 20M+ subscribers.   Candidates will be joining at an ideal time as the program undertakes a technology refresh in migrating toward progressive web application technology.  Candidates will have the opportunity to be hands on while also leading design activities and implementing programs to improve quality and productivity.    Will have a direct channel to the product leadership team for support of transformation initiatives.

ho we have in mind:
• 10+ years of experience in developing native Android application(s). Kotlin is a must.
• Understanding of Hybrid application development is a plus.
• Solid understanding of the full mobile development life cycle.
• Expert in multi-threading concepts to create highly responsive data intensive applications
• Experience leading large development teams in active Lead/Architect role
• Experience architecting mobile applications main focus on Android apps.
• Expert on Android OS, Android UI design principles, Android architectural components, Android
design patterns (MVP, MVVM), best practices and a desire to learn and apply new technologies.
• Ability to design for scalability and resilience
• Strong application process flow and problem-solving techniques
• Experience with RESTful web services using XML/JSON data formats
• Strong focus on refactoring and code quality
• Understanding of software configuration management and release management
• Expert in creating design and maintain architecture documentation, class diagrams, technical flow
documents etc
• High levels of software engineering literacy and communication skills
• Professional demeanor who works easily with leadership, product owners, engineers and other
departments both internally and externally

• 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