Android 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.

We are looking "iOS Mobile Developer" for Reputed Client @ Coimbatore Permanent Role

Experience: 3+ Yrs

Essential Duties and Responsibilities:

The candidate would be responsible for iOS development for mobile platform for new products & services. 

• To engage hands-on in the development activity of products / services.

• Participate in daily scrum meets & scheduling of tasks, review accomplishments by end of day.

• To contribute to coding / build & also guide the junior developers.

• To estimate task schedules of junior developers & support development team to achieve the tasks.

• Review code quality.

• Preparing time & cost budgets for new projects & revamping of existing products

Education and/or Work Experience Requirements:

• Candidate should possess B. E / B. Tech / MCA or relevant IT academic background.

• Excellent verbal and written communication skills, including ability to effectively communicate with internal and external customers.

• Thorough knowledge of budgeting time & cost of projects.

• Should have 3+ years of relevant experience in Android mobile development process with proficiency in – iOS SDK, Objective C, Swift, Cocoa Touch, Realm.

• Should have the capability to handle & deliver projects with emphasis on quality & delivery schedule.

• Experience in working with cross cultural environment will be an advantage.

• Must be able to work under pressure and meet deadlines, while maintaining a positive attitude and providing exemplary customer service.

• Should possess necessary skills to collaborate with mobile development teams.

• Ability to manage independently and to carry out assignments to completion within parameters of instructions given, prescribed routines, and standard accepted practices.

We are looking for Android Developer for one of the leading RealTech startup in Pune.

Role - Android Developer (Kotlin)

Experience - 2+ years

Location - Pune

About the Company :-

A leading realtech company based in Pune looking to hire below position in their existing Android team

Job Description :-

We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.

Responsibilities :-

Translate designs and wireframes into high quality code. 

Design, build, and maintain high performance, reusable, and reliable 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

Continuously discover, evaluate, and implement new technologies to maximise development efficiency.

Requirements

Skills -

2 to 5 years of Kotlin experience is a must have.

Should have knowledge of working on Social Media apps.

Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes

Familiarity with RESTful APIs to connect Android applications to back-end services

Strong knowledge of Android UI design principles, patterns, and best practices

Experience with offline storage, threading, and performance tuning

Ability to design applications around natural user interfaces, such as "touch"

Familiarity with the use of additional sensors, such as gyroscopes and accelerometers

Knowledge of the open-source Android ecosystem and the libraries available for common tasks

Ability to understand business requirements and translate them into technical requirements

Familiarity with cloud message APIs and push notification

A knack for benchmarking and optimisation

Understanding of Google's Android design principles and interface guidelines

Proficient understanding of code versioning tools, such as Git

Familiarity with continuous integration

Create world class apps that have potential of reaching millions of users.

Roles and responsibilities include -
1. Addition of new features to existing app and making sure minimal crash rate and ANR
2. Adding new AI models built by data science team into the android environment 
3. Planning new features with founders and other stakeholders
4. Creating reasonable timelines and making sure delivery according to planned schedules 

• Designing and building advanced applications for the iOS platform
• Collaborating with cross-functional teams to define, design, and ship new features
• Unit-test coding for robustness, including edge cases, usability, and general reliability
• Working on bug fixing and improving application performance
• Continuously discovering, evaluating and implementing new technologies to maximize development efficiency

Desired Candidate Profile

• Bachelor's degree in Computer Science or related technical discipline
• 3-6 years iOS app development experience
• Strong hands on experience in developing high performance mobile applications
• Strong analytical and problem solving skills
• Excellent oral and written communication skills
• Good logical sense, strong technical skills and the ability to learn new technologies quickly
• Expert with Swift (swift 4.0 & above) and Cocoa Touch
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Must have experience in BLE and BT
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Understanding of Apples design principles and interface guidelines
• Experience with performance and memory tuning with tools such as Instruments and Shark
• Familiarity with cloud message APIs and push notifications
• Familiarity with the MVC and MVVM design patterns
• Knowledge of the open-source ecosystem and the libraries available for common tasks
• Experience building, testing and distributing native apps that consume RESTful services
• Hands-on coding, systems analysis, design, and delivery of projects assigned
• At least three native iPhone applications deployed in the marketplace
• Should have Knowledge in Apple Certificate/Profile creation and maintenance
• Knowledge in SDK integration into iOS app & Realm Database is an added advantage
• Proficient understanding of code versioning tools such as GIT

Experience: 3-5 Years Experience

Skills:

Swift Language, Sqlite Database

WORK FROM OFFICE 

Location : Ahmedabad 
Salary : Hike on current salary ...

• 5+ years of JavaScript experience
• Extensive experience with Angular and Ionic
• 5+ years of object-oriented software development of web applications
• Mobile app development and testing (Android and IOS)
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Preferable Experience in Cloud Technologies (AWS, AZURE)
• Experience with MS SQL stored procedures, database design and optimization
• Experience developing and utilizing web services
• Experience with high volume consumer-oriented web sites
• Experience working in an Agile Scrum environment
• Experience with formal test procedures, release management
• Preferable Travel industry experience preferred, especially programming associated with GDS’s - SABRE, Farelogix, and Travelport
• Ability to distill complex business needs into functional requirements
• Excellent follow-up, verbal and written communication skills
• Excellent problem-solving skills and an ability to make good decisions
• Team player with a professional attitude
• Ability to manage multiple tasks and maintain tight schedules
• Ability to work effectively with a geographically dispersed team in India

Strategic and Development Responsibilities

• Ability to "think outside the box"
• Ability to provide accurate and timely project estimates.

Software Tools/Languages

Required:        MS Visual Studio, MS SQL Server Management Studio, IIS, AWS, Angular, Ionic, Android, C#, Web Services, MS SQL (stored procedures), Jenkins, DevOps Tools.

Education

• Bachelor of Science in CS, MIS, or equivalent.