Mobile App Developer(React Native Developer)

Position: Senior React Native Developer (4- 7 years)

Location: Remote (Company in Mumbai)

Company: Big Rattle Technologies Private Limited

Immediate Joiners only.

Summary:

We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.

Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.

KEY RESPONSIBILITIES

• Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
• Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
• Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
• Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
• Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
• Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
• Collaborate with designers, backend engineers, and product managers in Agile sprints.
• Conduct code reviews and mentor junior mobile developers.

Required Skills:

Core Mobile

▸ React Native CLI & Expo

▸ TypeScript

▸ React Navigation v6+

▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio

E-commerce & Integrations

▸ Product / Cart / Checkout flows

▸ Razorpay, Stripe, PayPal SDKs

▸ Wishlist, search UX, filters

▸ Order tracking & delivery status

▸ Push notifications & deep linking

State & Data

▸ Redux Toolkit / Zustand

▸ React Query / SWR

▸ REST & GraphQL APIs

▸ AsyncStorage / MMKV

▸ Firebase Realtime DB / Firestore

DevOps & Tooling

▸ Fastlane & GitHub Actions / Bitrise

▸ Jest (unit) & Detox (E2E)

▸ Firebase Crashlytics & Sentry

▸ Flipper / Reactotron

▸ App Store & Play Store deployments

Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK

• React Native New Architecture (JSI / Fabric / TurboModules)
• React Native Web or monorepo setups (Nx, Turborepo)
• AR product try-on experiences (ARKit / ARCore)
• Shopify Storefront API or WooCommerce SDK experience
• Accessibility (WCAG mobile) implementation
• Live order-tracking maps (Google Maps / Mapbox)

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Why should you join Big Rattle?

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

Job Description: Senior App Developer – React Native

About the firm:

Sustainability lies at the core of Stantech AI, our vision is to empower organisations to derive actionable insights: effectuating a smarter way of working. We operate on the premise that each firm is unique and as such requires its own idiosyncratic solutions. Putting this principle into practice, we deliver tailor made solutions to digitalise, optimise, and strategise fundamental processes underpinning the client organisations. For more information, please refer to our website: www.stantech.ai.

Position Overview

We are seeking a skilled React Native Mobile Developer with a minimum of 3 years of professional experience to join our dynamic team. The ideal candidate will have a strong design sense and proven expertise in developing scalable, high-performance mobile applications—especially in the enterprise domain (e.g., sales team apps, sales CRM, purchase modules, and similar solutions). You will work closely with our cross-functional teams to translate requirements into compelling features and ensure seamless user experiences.

Key Responsibilities:

•

Design & Development: Build and maintain robust, efficient, and scalable mobile applications using React Native for both iOS and Android platforms.

•

Collaboration: Work with cross-functional teams (Product, Design, QA, etc.) to identify user needs and incorporate feedback effectively.

•

Code Quality: Write clean, maintainable, and well-documented code. Follow best coding practices and maintain compliance with organizational guidelines.

•

Performance Optimization: Optimize app performance for speed and responsiveness; troubleshoot and debug to maintain smooth user experiences.

•

Integration: Collaborate with backend teams to integrate RESTful APIs and other third-party services into mobile applications.

•

Continuous Improvement: Stay updated with the latest industry trends and best practices in mobile development, ensuring the continuous improvement of apps.

Skills and Qualifications:

•

Bachelor’s degree in Computer Science, Information Technology, or a related field.

•

Proven experience as a React Native Developer with a strong portfolio of released applications on the App store or the Android market.

•

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.

•

Knowledge of mobile app development life cycle, and experience with performance and memory tuning tools.

•

Strong understanding of handling various mobile device capabilities such as GPS, battery optimization, and data connectivity toggles (e.g., airplane mode).

•

Familiarity with cloud message APIs and push notifications.

Financial Package:

•

Rs. 10-20 Lakhs per annum, contingent on work experience.

Apply - https://forms.gle/J7u9jjTsibERDGqs5

Android Developer

GormalOne LLP. Mumbai IN

GormalOne is a social impact Agri tech enterprise focused on farmer-centric projects. Our vision is to make farming highly profitable for the smallest farmer, thereby ensuring India's “Nutrition security”. Our mission is driven by the use of advanced technology. Our technology will be highly user-friendly, for the majority of digitally naive farmers. We are looking for people, who are keen to use their skills to transform farmers' lives. You will join a highly energized and competent team that is working on advanced global technologies such as OCR, facial recognition, and AI-led disease prediction amongst others.

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

• Have published at least one original Android app
• Experience with Android SDK
• Experience with offline storage, threading, and performance
• Familiarity with the use of additional sensors such as gyroscopes and
• 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
• Solid understanding of the full mobile development life

• BS/MS degree in Computer Science, Engineering, or a related subject
• Proven software development experience and Android skills development
• Proven working experience of minimum 2+ Years in Android app development

Kindly note: Salary shall be commensurate with qualifications and experience

Visit us at - https://gormalone.com/">https://gormalone.com/ & https://www.nitara.co.in/">https://www.nitara.co.in/

Position -  React Native Developer

We are looking for React Native developers 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.

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.

Skills

• Firm grasp of the JavaScript (and TypeScript or ClojureScript) language and its nuances, including ES6+ syntax
• Knowledge of (functional or object-oriented) programming
• 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)
• Working knowledge of zeplin
• Zeplin design to react screens

Experience - Minimum 3 years of exp.

Key Responsibilities

•  Build, iterate, and enhance mobile applications on Android.

•  Continue to evaluate innovative approaches on Android and present new ideas to improve our offering on Android and other mobile platforms.

•  Ensures that code developed is easy to test, easy to understand, extensible and meets the quality guidelines of the business unit.

•  Partner closely with the design team to create an intuitively easy to use application for our users.

•  Bring new features in the course taking experience to the Android platform.

•  Optimize the existing code for ease of use and performance and improve quality.

•  Continue to improve the development process. Evaluate and implement new tools as needed.

•  Lead and Contribute to a team culture that values quality while fostering initiatives and innovation.

• Knowledge of the common application/web security and OWASP vulnerabilities.

•  Knowledge of the encryption algorithms to protect sensitive information.

• Knowledge of PII, PCI, HIPPA, and GDPR compliance and how to implement.

• Understanding of security breaches of data-in-transit and data-at-rest and knowledge in implementation for both.

• Knowledge/Aware of finding the vulnerabilities of the third-party components/libraries used in the application and remediating vulnerabilities.

• Integrate with multiple devices & printers

Required skillset:

 Java, Android SDK, Rest API, SQLLite, Json, Enterprise mobility management (EMM) and EMV, POS application in Android(preferably version 4.4 Kitkat and API level 19 and above) 

Good to have:

 Play store deployment, push notifications, Web services, Android Location Services, Google Maps API, GIT

 Desired Competencies:

 Problem Solving Approach, Analytically strong, Time Management skills, Passionate to learn new technologies and working in an agile environment.

• Ionic: Ionic is a free and open-source framework certified by MIT that enables developers to use modern web technologies like HTML5, CSS3, and JavaScript. ...
• React Native: ...
• Flutter: ...
• Native Android: ...
• Xamarin: ...
• Native Script: ...
• jQuery Mobile: ...
• Framework7:

We are hiring for one of our clients (building an immersive platform for creators, from India, which can be used by creators to create content and engage their audience across the world. And they are looking for smart and motivated 'Mobile Engineers' to help build it.

For this, they need someone who has working knowledge in building quality mobile apps in React-Native/Flutter, handling device specific aspects, etc.

Being a Mobile Engineer at this organization will be like a feeling to build something that millions of users across the world can interact with. You will be helping in setting forth the mobile-frontend culture and journey.

Also, experience the working in the early team, shape a startup from the grounds up and be a part of the high growth journey.

Key Responsibilities: -

1. Build and deploy product features end to end.

2. You will build high quality features for a mobile app from grounds up, and can use patterns like composition, inheritance, renderProps, etc.

3. Research and implement things wherever needed, think automating via Fastlane CI/CD, testing logically so it works across multi-resolution devices, etc.

4. Setting up events for user, performance, and error analytics, think GA, hotjar, sentry, etc.

5. Participate in product and design ideation, collaborate with the team to implement high-quality features.

Requirements: -

1. Solid foundation in JS and React Native.

2. Passionate about product and drives it with engineering.

3. Architectural familiarity of implementation, not just UI features.

4. 1+ years of experience in building quality apps in React Native.

5. Identify and resolve performance and device specific issues.

6. Can adapt to best practices and learn device specific things in Android/iOS.

7. Code quickly and test thoroughly - maintain the balance between velocity and code health.

8. Great taste in UI and UX

Perks: -

1. Become a part of our early team, and shape products from grounds up

2. Attractive compensation and esops.

3. Macbook pro

4. Empowered to build an amazing startup culture with us

5. Full ownership and massive growth opportunities

6. and more...

The organization is funded by India's top executives and angel investors. 

Hi,

Hope you are doing great!!

Praxiv is a IT Solutions & Services company situated in India. Our solutions and Services help clients maximize productivity, improve speed and accuracy. The company has adopted the highest standards of service quality and operational excellence, enabling its clients across a wide range of industries to transform into a truly digital enterprise.

Praxiv is hiring IOS Mobile Application Developer.

Experience - 1 - 3 yrs

Location - Gurgaon

Job Summary
We are looking for Min 1 Year experienced and above IOS developers responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

Responsibilities and Duties

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

*

• Skills
• Proficient with Objective-C and Swift and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with cloud message APIs and push notifications
• Help maintain code quality, organization, and automatization
• Proficient understanding of code versioning tools Git
• Objective-C proficiency is a must.

If you feel interested please share your profile with below mentioned required details:-

1.. Total years of experience

2. Relevant experience

3. How soon will you be able to join?

4. What’s the reason for job change

5. Current Salary

6. Expected Salary

7. Availability for Interview.

8. Current Location

Please acknowledge the mail and revert it back with your confirmation.

Best Regards

HR Team
Praxiv Solutions