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.
- Transition existing React web apps to React Native

About Dev Technosys
About
"Dev Technosys is a leading custom software development company known for its bespoke services in the field of custom web development and mobile app development across multiple industry verticals and business niches. It follows the central principle “Bringing IT to Life.” Since its inception, the company has been serving custom-made digital solutions for enterprise setups and SMBs with B2B and B2C solutions."
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React Native Developer (Full-Time)
📍Work from Office – Malad, Mumbai
We are hiring a React Native Developer for Websites.co.in, a platform used by millions of businesses to create their websites in minutes. You will build and improve our mobile experience used by small business owners globally.
Your role:
- Build and maintain mobile apps using React Native
- Implement clean, reusable components and UI screens
- Integrate REST APIs and handle JSON data efficiently
- Work on app performance, loading speed, and smooth UX
- Debug issues, fix crashes, and improve app stability
- Collaborate with product, backend, and QA teams to ship features
- Participate in testing, code reviews, and release cycles
What we expect:
- Strong understanding of JavaScript and React Native basics
- Familiarity with navigation, state management, and component lifecycle
- Hands-on experience with APIs, third-party libraries, and async storage
- Knowledge of Git for version control
- Problem-solving mindset and ability to work independently
- Bonus: experience with Redux / Context API, Android or iOS builds, or publishing apps
- 0–3 years of experience (freshers with good projects can apply)
What you get:
- Real ownership on a live, large-scale SaaS product
- Fast-paced growth environment with hands-on learning
- Opportunity to grow into a core mobile or full-stack role
Job Description:
We are looking for a skilled React Native Developer to design, develop, and maintain high-performance cross-platform mobile applications for Android and iOS.
The ideal candidate must have strong command over React Native, TypeScript/JavaScript, and working knowledge of Kotlin (Android) or Swift (iOS) to build and integrate native modules when needed.
You will work closely with backend, design, and product teams to deliver seamless, fast, and stable mobile experiences for the ZestFindz ecosystem.
Key Responsibilities:
- Develop and maintain cross-platform mobile applications using React Native.
- Collaborate with design and product teams to deliver pixel-perfect, responsive UIs.
- Integrate REST APIs / GraphQL and handle authentication, caching, and error states efficiently.
- Implement and manage app state using Redux / Context API / Zustand.
- Optimize app performance, handle animations, memory leaks, and rendering issues.
- Manage offline storage using SQLite / AsyncStorage / MMKV.
- Configure and manage Firebase services - Auth, Firestore, Push Notifications, Analytics.
- Handle deep linking, in-app navigation, and app lifecycle events.
- Deploy apps to Google Play Store and Apple App Store (with signing, provisioning, versioning).
- Work with DevOps to integrate apps into CI/CD pipelines (Fastlane / GitHub Actions / Codemagic).
- Write clean, modular, reusable code with proper documentation and testing.
- Debug, profile, and optimize performance for low-end devices and weak networks.
- Ensure security best practices - secure token storage, environment management, and data encryption.
Must-Have Skills:
- Strong experience in React Native (0.70+) and TypeScript.
- Solid understanding of mobile architecture patterns (MVC, MVVM, Flux).
- Experience with React Navigation, Redux / Context API / Zustand, and API integration (Axios / Fetch).
- Familiarity with Firebase, App Permissions, and Push Notifications (FCM/APNS).
- Good understanding of Android Studio, Xcode, Gradle, and Cocoapods.
- Ability to write clean, testable code with unit and integration tests.
- Working experience with Git / GitHub / GitLab CI/CD.
- Problem-solving mindset and ability to debug across full mobile stack.
Good-to-Have Skills (Bonus):
- Knowledge of native SDK integrations (Maps, Camera, Payments, etc.).
- Experience with React Query / GraphQL.
- Familiarity with Fastlane, Crashlytics, App Center, or Sentry.
- Understanding of UX principles and animation libraries (Lottie, Reanimated).
- Experience with OTA updates (CodePush) and App Store Optimization (ASO).
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
Roles & Responsibilities:
- Work as part of a team to build React Native iOS / Android applications for Full Stack's clients.
- 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. - Interface with clients via Zoom, email, etc.
- 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.
- Follow Full Stack's detailed development process.
Requirements:
- 2+ years of professional experience working with React Native. - 3+ years of professional software development experience.
-- 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.
- Ability to identify with the goals of Full Stack clients and dedicate yourself to delivering on the
commitments you and your team make to them.
- 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.
- English skills (ability to effectively communicate via written and spoken English).
- A passion for software development. It's not just your career, it's also your hobby. You're constantly striving to learn new things and improve. You follow industry news, regularly tinker with new technologies, and read books and blogs to keep your skills current.
- You work well within a team environment and enjoy working in the office with your colleagues.
Job Title: Mobile Developer (React Native/Flutter)
Location: Hybrid
Employment Type: Full-time
About Us:
We are a startup building a marketplace for maids. Our mission is to connect customers with service providers through a seamless, user-friendly mobile application. We are looking for a passionate Mobile Developer to join our team and help shape the future of our platform.
Role Overview:
As a Mobile Developer, you will be responsible for developing and maintaining our mobile application using React Native or Flutter. You will work closely with designers, backend engineers, and product managers to deliver high-quality, scalable, and user-friendly experiences.
Key Responsibilities:
- Design, develop, and maintain mobile applications using React Native or Flutter.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Write clean, maintainable, and efficient code following best practices.
- Troubleshoot and debug issues, optimizing application performance.
- Participate in code reviews to ensure code quality and share knowledge.
- Stay updated on the latest mobile development trends and technologies.
Requirements:
- 2+ years of professional experience in mobile development with React Native or Flutter.
- Strong understanding of JavaScript (React Native) or Dart (Flutter) and mobile development frameworks.
- Experience integrating RESTful APIs and third-party libraries.
- Familiarity with mobile UI/UX standards and best practices.
- Knowledge of version control systems (e.g., Git).
- Experience with state management (Redux, MobX, Provider, etc.).
- Strong problem-solving skills and attention to detail.
Nice-to-Have:
- Experience with native development (Android/iOS).
- Familiarity with CI/CD pipelines for mobile applications.
- Knowledge of Firebase services (e.g., Authentication, Firestore).
- Experience working in Agile environments.
What We Offer:
- Competitive salary and equity options.
- Flexible work environment (hybrid).
- Opportunity to shape the future of a high-growth startup.
- Collaborative and supportive team culture.
- Professional development and learning opportunities.
Location:- Bangalore
Responsibilities:
1. Design and build highly reliable and performant applications that deliver a great user experience.
2. Own large technical deliverables and execute it in a stuctured manner.
3. Take accountibility of the over health of the applications you build.
4. Platformise components as libraries, utilities and promote reuse.
5. Be able to conceptualise and develop prototypes quickly.
6. Lead by example, mentor and guide team members on everything from structured problem solving to development of best practices.
Requirements:-
1. Deep expertise of the iOS and Android ecosystems.
2. Hands on experience with either React Native, Flutter, Swift or Kotlin.
3. Deep understanding of your tools: Languages, frameworks, systems.
4. Experience with abstracting requiremets into frameworks.
5. Hungry to learn, share knowledge and enjoy mentoring others.
6. Data driven, having customer empathy, striving to build stable, delightful applications.
Option but Desired Requiremet:-
Experience with video streaming and Real Time Communication Technologies.
Passion for all things Mobile and have built complex Mobile Applications with React Native for at least 2 years. Have shipped apps on either the iOS App Store or Android Play Store, and are intimately familiar with their workflows. Comfortable with jest for writing unit and integration tests / appium for end-end testing. Intuition for usability and UI design, with an ability to balance polish with the constraints of timing and scope. Curiosity to remain updated with the newest technologies and frameworks. Comfort with any of WebRTC/Backend Stack/React JS is a strong plus. Most importantly, love coding!

- Implementing designs and coordinating the frontend development and required backend for it.
- Working on back-end development tasks and designing architecture for the same.
- Performing research and find opportunities to utilise web development best practices, forming guidelines to improve system productivity, and working on scaling and monitoring.
- Working with cross-functional teams to maintain and make sure the product should be scalable, maintainable and secure.
- Coordinating with multiple junior team members for the development of the tasks & projects
- Developing user interface components and implementing them following well-known React.js workflow.
- Architecting the application out in clean MVC kind of architectures in ReactNative for Android/ iOS app development.
- Developing APIs with MVC frameworks in Java / Python.
- Designing and building REST APIs.
- Building on and maintaining services on cloud platforms.
- Building reusable code and libraries for future use.
What you need to have:
- Bachelor's degree in Computer Science or related field.
- 1+ years of experience working as Android or React Native development
- Built an application from scratch earlier.
- Strong computer science fundamentals.
- The ability to own end to end responsibility - right from requirement to release.
- Willingness and enthusiasm drive to learn new technologies.
- The ability to pick the right tools for the job.
- Desire and ability to play different roles as necessary
- If Android, you should have strong understanding of activity lifecycle, other components like service, broadcast receiver.
- Core knowledge in Rxjava, Rxandroid, retrofit etc. and can work with Kotlin programming language.
- If React Native, should be well versed with React JS and React Native.









