Sr. React Native Developer

We’re looking for Android Mobile Application Developer who has solid knowledge of Android application’s life cycle, specially in modern mobile application. We need someone to build the native applications for Android using Java & Kotlin on Android Studio. You’ll need to create applications from scratch or configure the existing applications.

RESPONSIBILITIES:

Design and implement applications from initial concept, app architecture, and user interface to finished deliverable.
Implement new features, enhancements, and content of existing applications.
Good knowledge of Android SDK, different versions of Android, and how to deal with different screen.
Create and update re-usable code libraries to streamline app development cycle.
Contribute to all phases of the product development: design, develop, test, maintain and improvise.
BASIC SKILLS:

Good communication and interpersonal skills.
Strong knowledge of current Android development languages (Java & Kotlin).
Ability to manage multiple projects at a time.
Flexibility and eagerness to identify, learn, and use new and changing technologies.
Self confident and enthusiastic.

Responsibilities

1. Cross-Platform Mobile Development

• Build, maintain, and scale production-grade React Native applications for both Android and iOS platforms from a single codebase.
• Translate product requirements and UX designs into clean, modular, and reusable React Native components.
• Develop rich, intuitive user interfaces for AI/ML dashboards, real-time analytics, and consumer-facing applications.
• Own features end-to-end — from technical design through to deployment on Play Store and App Store.

2. Native Integration & Bridging

• Write custom native modules and bridges in Kotlin/Java (Android) or Swift/Objective-C (iOS) to extend React Native's capabilities where required.
• Integrate third-party SDKs, device hardware APIs, and platform-specific features seamlessly into the React Native layer.
• Ensure consistent functionality and behaviour across a wide range of Android and iOS devices and OS versions.

3. Real-Time & Data-Driven UI

• Build real-time UI components that handle live data streams, WebSocket connections, and high-frequency data updates with minimal latency.
• Develop data-intensive views including charts, dashboards, and monitoring interfaces optimised for mobile performance.
• Ensure smooth, responsive user experiences under high-traffic and data-heavy conditions.

4. Performance & Optimization

• Profile, debug, and optimize application performance using tools such as Flipper, Hermes, React DevTools, and platform-native profilers.
• Minimize app bundle size, reduce render cycles, and improve startup time through best-in-class optimization techniques.
• Ensure accessibility compliance and cross-device UI consistency across varying screen sizes and resolutions.

5. Architecture & Code Quality

• Design and implement scalable mobile architectures supporting modularity, testability, and long-term maintainability.
• Implement robust state management using Redux, Zustand, MobX, or React Context depending on application complexity.
• Establish and uphold mobile coding standards, component libraries, and reusable design systems across the team.

6. Collaboration & Delivery

• Partner closely with backend, AI/ML, data engineering, and design teams to integrate APIs, data pipelines, and workflows.
• Actively participate in code reviews, sprint ceremonies, and technical design discussions.
• Support CI/CD pipelines using Fastlane, Bitrise, or equivalent tools for automated builds and releases.
• Contribute to OTA update strategies using CodePush or equivalent.

Required Skills & Qualifications

• Strong hands-on experience building and shipping production React Native applications on both Android and iOS.
• Proficiency in JavaScript and TypeScript — TypeScript strongly preferred.
• Experience with state management libraries — Redux, Zustand, MobX, or Context API.
• Solid understanding of React Native architecture — Bridge, JSI, Hermes engine, and the New Architecture (Fabric/TurboModules) is a plus.
• Experience writing native modules or bridges in either Kotlin/Java or Swift/Objective-C.
• Hands-on experience with REST APIs, GraphQL, and WebSockets in a mobile context.
• Strong understanding of mobile UI/UX principles, responsive design, and platform-specific design guidelines (Material Design & HIG).
• Experience with CI/CD pipelines and app store deployment processes.

Preferred Skills

• Experience building data-intensive or dashboard-heavy mobile applications.
• Familiarity with data visualization libraries such as Victory Native, Recharts, or D3.js for mobile.
• Exposure to AR/VR or graphics-intensive mobile experiences (ARKit, ARCore, React Native Vision Camera).
• Experience with OTA updates via CodePush or similar tools.
• Familiarity with monorepo setups (Nx, Turborepo) for managing shared mobile codebases.
• Understanding of accessibility standards (WCAG) and inclusive design on mobile.
• Exposure to AI/ML integration on mobile — on-device inference, TensorFlow Lite, or CoreML.

We are looking for a passionate and skilled iOS Developer (SDE II) to join our mobile engineering team. You will play a critical role in building and scaling high-performance iOS applications used by millions of users. The ideal candidate is deeply familiar with the iOS ecosystem, understands architectural best practices, and is capable of writing clean, maintainable, and testable code.

Key Responsibilities:

• Design, build, and maintain advanced iOS applications using Swift and Objective-C.
• Translate product requirements into scalable technical solutions.
• Collaborate with cross-functional teams including product, design, and backend teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and fix bugs, bottlenecks, and performance issues.
• Maintain code quality through unit tests, code reviews, and CI/CD best practices.
• Stay up to date with the latest iOS development trends, tools, and technologies.

Required Skills & Qualifications:

• 3–6 years of hands-on experience in iOS development.
• Strong command over Swift, Objective-C, Xcode, and the iOS SDK.
• Experience with MVVM/MVC architecture, RESTful APIs, and third-party libraries (e.g., Alamofire, Realm).
• Understanding of Apple’s design principles and interface guidelines.
• Familiarity with unit testing and performance tuning.
• Strong debugging and problem-solving skills.
• Bachelor's degree in Computer Science or a related field.

Nice to Have:

• Experience with SwiftUI, Combine, or CoreML.
• Exposure to Agile methodologies and Git workflows.

Why Join Us:

Be part of a fast-moving tech team building impactful, user-friendly apps with modern development practices and a collaborative work culture.

Capillary is an Equal Opportunity Employer and will not discriminate against any applicant for employment on the basis of race, age, religion, sex, veterans, individuals with disabilities, sexual orientation, or gender identity.

Disclaimer:

It has been brought to our attention that there have recently been instances of fraudulent job offers, purporting to be from Capillary Technologies. The individuals or organizations sending these false employment offers may pose as a Capillary Technologies recruiter or representative and request personal information, purchasing of equipment or funds to further the recruitment process or offer paid training. Be advised that Capillary Technologies does not extend unsolicited employment offers. Furthermore, Capillary Technologies does not charge prospective employees with fees or make requests for funding as a part of the recruitment process.

We commit to an inclusive recruitment process and equality of opportunity for all our job applicants.

Minimum 2 years of working experience.

Can work on live projects of international clients.

Can handle multiple projects

Error-free coding.

Required Experience, Skills and Qualifications

Objective-C, or increasingly, the Swift 3.0 programming language

Apples Xcode IDE

Frameworks and APIs like Foundation, UIKit, and CocoaTouch

UI and UX design experience

Apple Human Interface Guidelines

2D and 3D graphics frameworks like SpriteKit and SceneKit

OpenGL or Metal, iOS graphics APIs

Familiarity with iOS 10 and newer OS versions

A Git code repository technology

Strong Objective-C skills and inside-and-out knowledge of the iOS SDK.

Experience using and creating scalable web-based Restful APIs.

• Willing to contribute to Small or Large Project Teams
• Must be willing to start Immediately work from home permanent
• Good Communication Skills (English)
• Can Allocate working hours (Flexible) as per Projects Req.
• Must have Good Internet & Good Laptop/System

Krafty Solutions is looking for an enthusiastic, energetic, young-minded mobile application developer(experienced or fresher) who take pride in the work they do.

Krafty Solutions is a product design and development company where you will learn a lot in your field by working in a very friendly environment. An opportunity will be given based on your preference.

About You

If you're the guy who has a strong bias for making things happen, always wears a smile on your face, with a proactive attitude then we would like to meet you. You will work closely with your team leader who will help you to learn new things as well as resolve your doubts. If you're interested in creating a user-friendly environment by writing code and moving forward in your career, then this job is for you. We expect you to be a tech-savvy professional, who is curious about new digital technologies and aspires to combine usability with visual design.

Knowledge

• 3+ years of experience as iOS Developer
• In-depth knowledge of iOS (Mac OS), iPhone SDK, Objective C & Swift languages.
• Strong understanding of XCode, including compiler flags.
• Experience building IOS applications connected to RESTful APIs.
• Good experience in App submission process (iTunesConnect), Offline & online data storage, synchronization, RESTful API & JSON structure.
• Good understanding in usage of Cocoapods libraries and social apis like Facebook, Google Maps, etc.
• Good understanding in payment gateway SDK integrations.
• Experience with a version control system (GIT, SVN, CVS, etc)
• Good understanding of IOS UI design principles, patterns, and best practices.
• Curiosity and a highly collaborative work style, a wish to share what you already know and jumping at the opportunity to dive into new technology.
• Good understanding of Architectures like MVVM, VIPER, MVP.
• Good Understanding of RxSwift

Responsibilities and Duties

• Participate in the entire application lifecycle, focusing on coding and debugging
• Design and build advanced mobile applications for the iOS platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources, APIs, bug fixing and improving app performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Manage cutting-edge technologies to improve legacy applications
• Ensure the performance, quality, and responsiveness of applications
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automation
• Stay up-to-date with emerging technologies

Key Skills

• Swift, Objective C, iOS SDK, Xcode, Git Required Experience and Qualifications
• Education - B.E/ B.Tech/BCA/MCA/MSc IT degree in Computer Science, Engineering or a related subject
• Experience - 3-5 yrs

Benefits

• Great Company Culture - A relaxed, friendly and positive company culture with a dynamic young team
• Work-Life Balance - Genuine work/life balance served at Krafty.
• A Well Earned Rest - You will get 11 paid public holidays as well as 12 paid leaves. So, a total of 23 HOLIDAYS
• Flexible working hours - Reaching late at the office would never be an issue for you. Fully remote culture
• Weekends Off - Saturday & Sunday Fixed Off

We are looking for an Android Developer who possesses a passion for pushing mobile technologies to the limits. This Android app developer will work with our team of talented engineers to design and build the next generation of our mobile applications. Android programming works closely with other app development and technical teams.

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

• BE/MS degree in Computer Science, Engineering or a related subject 
• Proven software development experience and Android skills development
• Proven working experience in Android app development and have published at least 5 original Android apps
• Experience with integrating various Android SDKs
• Knowledge of developing own Android SDKs for distribution to other developers
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

• Know how to build android applications and integrate APIs/SDKs
• Know how to create android SDKs
• Have built and launched atleast 5 android apps
• Ability to build complex apps on Android