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.

iOS Developer

Hiring for the position of iOS Developer responsible for developing app from scratch.

Role

●        Translate design and wireframes into code

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

●        Identify solutions through research and collaboration that resolves the root of problems as they arise

●        Unit testing code

●        Experience with cloud message APIs and usage of push notifications

Requirement

∙  2+ years’ strong development experience in iOS

∙  Experience using RESTful web services within mobile applications

∙ Proficient with Swift and Cocoa Touch

∙ Knowledge of iOS UI/UX standards

∙ Understanding of Apple’s design principles and interface guidelines

∙ Experience with code versioning control, such as bitbucket/git

Education: Engineering

key skills - Flutter, android development, ios development

Experience: 1 - 4 years
location - chennai

Roles and Responsibilities

- Good programming skills in Dart and Object-Oriented concepts.
- Experience with Flutter - Material design, BLOC, Async, Streams,        Navigation.
- Exposure to Android and iOS Mobile Application Stack.
- Experience in working with RESTful APIS, TCP / Sockets.
- Knowledge in version control - Git

Responsibilities:

• Building multi-platform applications for Android and iOS using the Flutter development framework of Google.
• Collaborating with other developers to create, deploy, and maintain Flutter-based applications for different platforms.
• Performing app profiling and improving performance.
• Writing and reviewing multi-application codes
• Testing products to remove bugs and any malfunctioning aspects
• Ensuring consistency between the delivered product features and the requirements/criteria of the business.
• Developing new features, maintaining code, and fixing/debugging issues.
• Managing a team of Flutter Developers

Requirements:

• Good understanding of Flutter and Dart.
• Good Knowledge of Java, Kotlin or Swift.
• Ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into readable state
• Good understanding of code versioning tools such as Git etc.
• Willingness to learn about new technologies and trends in mobile.
• Experience with third-party libraries and APIs
• Familiarity with cloud message APIs and push notifications.
• Working knowledge of Reactive programming is a plus.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Bachelor’s degree in Computer Science or related field, or equivalent professional experience.
• Experience working with agile teams and making rapid decisions in a dynamic and disruptive environment.
• Confident, detail-oriented, and highly motivated to contribute to the growth of the organization as part of a high-performing team.
• Ability to work under pressure and adhere to tight deadlines.
• 1.5-3 years of relevant software development experience.
• Strong communication skills.

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're looking for a role of full time fluter developer.

Roles and Responsibilities

Solid understanding of Flutter, Dart, Flutter animations.

- Should have experience working with Flutter state management approaches like BlOC, GetX, Provider etc.,

- Experience with third-party libraries and APIs

- Knowledge and understanding of SQL

- Experienced in working with remote data via RESTful Apis and JSON

- Strong understanding of design patterns over and above MVP, MVVM, and MVC

- Bug fixing and improving application performance

- Unit-testing code for robustness, including edge cases, usability, and general reliability

- Must have built at least two Android andor iOS apps with Flutter

- Proficient understanding of code versioning tools, such as Git

Desired Candidate Profile

• Must have at least 5+ years of hands-on experience in Flutter development
• Must have built at least 2 Android and/ or iOS applications using Flutter
• Must have published 2 or more applications in the Google Play, App Store, or Github
• Proven ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state
• Proven experience in both mobile and software development, third-party libraries, and APIs
• Knowledge of translating UI/ UX designs into code, Location services, Maps, and other common iOS/ Android libraries
• Experience working in an Agile environment

About Telyport

Telyport is an emerging tech startup in the logistics space. We are building a robust hyperlocal distribution network that is affordable, convenient, and reliable for locals, SMEs, and large enterprises with a vision to bring local commerce online.

Job Description: Core Member of TELYPORT TECHNOLOGY TEAM

We are looking for a Sr. iOS developer 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.

We never really thought that a college degree was the thing that you had to have to do well. We trust in team’s deliverables, smart & the hard work.

Responsibilities: Build & Maintain TELYPORT’s iOS STACK

- 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: LOVES iOS & APPLE’s WAY OF HANDLING THINGS

- Proficient with Objective-C or Swift (depending on project requirements), 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.

- Knowledge of other web technologies and UI/UX standards.

- Understanding of Apple’s design principles and interface guidelines.

- Knowledge of low-level C-based libraries is preferred.

- Experience with performance and memory tuning with tools.

- Familiarity with cloud message APIs and push notifications.

- Knack for benchmarking and optimization.

- Proficient understanding of code versioning tools. (such as Git, Mercurial or SVN)

- Familiarity with continuous integration.

This is not your typical 9-5 job. If you are a hustler, passionate about what you do and would like to challenge yourself into new areas and arenas, look no further. You will have absolute creative independence in executing your roles while at the same time be chasing aggressive goals and targets to pursue and a highly competitive group of people to challenge and learn from.