
JOB DESCRIPTION
React Native Developer
It is a platform for creators, influencers and celebrities to grow, manage and monetise their community. It is aimed at both established and aspiring online creators who want to pursue their passion. Our vision is to enable anyone and everyone to make a successful living doing what they enjoy.
- Roles & Responsibilities:-
- 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 IOS and Google Play stores.
- Work with native modules when required.
- Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and a designer.
- Complete two week sprints and participate in sprint retrospectives and daily standups.
- Assist with building estimates.
- Interface with clients via Slack, Zoom, and email.
- Track your time throughout the day using Toggle.
- 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.
- Required Candidate profile:-
- 2+ years of professional experience working with React Native.
- 4+ years of professional software development experience.
- Experience working with Swift, Java required.
- 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.
- 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.
- You work well within a team environment and enjoy working in the office with your colleagues.

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Position: iOS Developer (1 to 4 years)
Location: Marol, Andheri East, Mumbai
Company: Big Rattle Technologies Private Limited
Open for candidates from Mumbai only
Immediate Joiners only
We are looking for an iOS developer having 1 to 4 years of experience. You must have experience in delivering at least 3-4 projects on iOS as a part of your work profile.
Required Skills (more the better):
- Native iOS Application Development with SwiftUI, iOS SDK, Xcode, Cocoa Layer, Media Layer, Core Service Layer, Core OS Layer, iOS Frameworks, iOS Developer Tools, iOS programming, iOS Human Interface.
- Experience with iOS frameworks such as Core Data, Core Animation, Core Graphics, and Core Text
- Familiarity with RESTful APIs to connect iOS applications to back-end services.
- Experience with third-party libraries and APIs (e.g., Alamofire, Firebase, etc.).
- Deployment/ publishing apps in Apple App Store.
Good to have Skills:
- Understanding of Objective-C.
- Knowledge of mobile security and secure coding practices.
- Hybrid mobile application development using Flutter.
Additional Skills:
- Versioning tools such as Git, Bit Bucket, and concepts like branching
- DevOps: Knowledge of operating systems, hosting and deployment on cloud platforms like Amazon Web Services, Google Cloud, Azure etc will be added advantage
Responsibilities will include:
- Developing applications for iPhone and iPad
- Reviewing new releases, SDKs and updates in the mobile space
- Writing clean, well-designed code
- Debugging code and fixing bugs
- Ensuring code quality and security by following industry standards
- Managing code repositories and deploying builds
- Contributing to all phases of the development lifecycle
- Participating in team meetings and client meetings/ calls
- Learning new technologies
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or related 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 Responsibilities
▪️ Develop, maintain, and enhance iOS applications using Swift and the iOS SDK.
▪️ Build user interfaces using UIKit / SwiftUI, Auto Layout, and Interface Builder.
▪️ Implement and maintain application architecture using MVC / MVVM.
▪️ Integrate REST APIs, handle JSON parsing, and work with third-party SDKs.
▪️ Manage App Store deployments, including certificates and provisioning profiles.
▪️ Optimize application performance, memory usage, handle debugging effectively.
▪️ Ensure code quality, scalability, and adherence to iOS best practices.
▪️ Collaborate with Backend, Android, QA, and Product teams for smooth delivery.
▪️ Work independently on assigned tasks and deliver within defined timelines.
🎯Required Skills & Qualifications
▪️ Minimum 4+ years of experience in iOS application development.
▪️ Strong hands-on expertise in Swift.
▪️ Good understanding of iOS app lifecycle and architecture.
▪️ Experience with version control systems such as Git.
▪️ Strong problem-solving and communication skills.
Looking for React Native 6 to 8 years of experience
• Has built at least 2 React Native Apps ( Concept to Design to Dev to Production to
Refine ) or atleast 1 App from Scratch individually.
• Has Managed a team of atleast 3 developers to build mobile apps/modules.
• Understand mobile app design principle
• Can debug app and troubleshoot issues
• Can write testable code / module
• Has worked on app performance improvement
• Has taken security considerationwhile building app(s)
• Added advantage if has worked on Firebase,FCM and Redux.
What does the core role include?
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Desired Skills and Experience
Hybrid Apps,React Native, Native iOS and Android Architecture understanding
We are looking for an iOS application developer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications.
MUST BE ABLE TO WORK AT OUR OFFICE IN : Sec. 63, Noida, UP 201301
Responsibilities:
- Design and build advanced applications for the iOS platform
- Collaborate with cross-functional teams to define, design, and ship new features.
- 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.
- Very good experience with Objective-C and iOS SDK
- Good working knowledge in Cocoa Touch
- Experience with memory management and caching mechanisms specific to mobile devices.
- Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics, and Core Text.
- Experience in Payment gateway integration in mobile apps.
- A portfolio of iOS in the app store is a plus.
- Git & Gerrit.
- UI & UX experience.
- Experience in Swift4 and above version of Swift.
- REST API association, Locations, and Map API.
Required Candidate profile
- A minimum of 3 years of experience in iOS app design and development
- Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and
Core Text - Experience in imaging/pdf manipulation sdk will be preferred.
- Working experience with PDFTron sdk
- 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 cycle
Proficiency in the standard Android tech stack - JAVA/Kotlin
Good knowledge of design patterns, MVVM, Dependency Injection and more
Restful API, JSON Parsing, Retrofit Network Libraries
Strong knowledge of Android UI design principles, patterns, and best practices
Experience with offline storage, threading, and performance tuning
Excellent Android technical issue diagnosis and problem solving skills
GOOD TO HAVE
Hilt
Coroutine
Clean architecture
Excellent knowledge of UI animation and transition
This person MUST have:
- BE Computer Science, MCA or equivalent
- Mobile app development experience.
- Good understanding of the full mobile development life cycle,strong debugging and problem-solving skills.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Strong React Native experience
- Understanding of APIs, pagination,searching,sorting
- Creating high performance UI etc.
- Familiarity with native build tools, like XCode, Android Studio, Gradle.
- Leverage native APIsfor deep integrations with both platforms.
- Strong communication skills.
Experience:
- Min 3 year experience
- Not more than 15 year experience.
- 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:
- CSS
- HTML
- React-Native
- Javascript
- Jquery
- React Native
- MySQL
- JSON
- HTML5
- Location: Mohali Phase 7
- 5 Days Working
JOB DESCRIPTION
ANDROID DEVELOPER
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 Java 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
Skills
- 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 notifications
- A knack for benchmarking and optimization
- Understanding of Google’s Android design principles and interface guidelines
- Proficient understanding of code versioning tools, such as Git
- Familiarity with continuous integration









