
Mobile Application Developer
at Help customers start dominating their industry. (T1)
We’re looking for a Senior Mobile Application Developer to work on Client & Internal Applications. The successful candidate will be responsible designing, developing and implementing software solutions to address complex business issues. The ideal applicant will be able to thrive in a highly collaborative workplace and actively engage in the development process hands-on.
Company are looking for an Android developer - it will be a huge benefit if you are confident and able to build application in Objective C or Swift.
Requirements
- Experience with publishing APIs and in4tegrating with 3rd party services
- Kotlin, Android, Java, Objective C, Swift
- Good knowledge of database (MySQL, SQLlite, Firebase)
- Able to publish Apps to Playstore & Appstore
- Experienced in building mobile applications that utilizes web services (SOAP / REST / JSON)
- An eye for design
- Extensive experience with Mobile features & libraries – Maps, Camera, Files, Wearables, GPS, QR Scanning etc.
- Experience with Tensorflow Lite
- Able to build responsive Ui that work with different devices
- Other programming languages are of benefit – HTML, CSS, PHP, C#

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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 Summary:
As a Flutter Developer, you will be responsible for designing, developing, and maintaining high-performance mobile applications for both Android and iOS platforms. You will collaborate with cross-functional teams to create robust and scalable software solutions that meet our clients' needs. The ideal candidate should have a strong background in mobile application development using Flutter framework and a passion for creating innovative and visually appealing user experiences.
Job description:
Mobile App Development:
- Design, develop, and maintain efficient and reliable mobile applications using Flutter.
- Collaborate with cross-functional teams to define, design, and ship new features.
UI/UX Design:
- Implement pixel-perfect UI designs and ensure a seamless and visually appealing user experience.
- Work closely with designers to translate design concepts into functional UI components.
Integration:
- Integrate third-party APIs and libraries as needed to enhance app functionality.
- Ensure seamless data exchange between the mobile app and server-side components.
Testing and Debugging:
- Conduct thorough testing of applications to identify and resolve bugs and performance issues.
- Collaborate with Quality Assurance teams to ensure the reliability of the application.
Code Optimization:
- Continuously optimize code for performance, scalability, and maintainability.
- Stay updated on the latest Flutter releases and incorporate new features and improvements.
Documentation:
- Create and maintain comprehensive documentation for all code and development processes.
- Collaborate with technical writers to produce user guides and developer documentation.
Collaboration:
- Work closely with product owners, designers, and other developers to understand project requirements and deliver high-quality solutions.
- Participate in code reviews and provide constructive feedback to team members.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- as a Flutter Developer.
- Strong understanding of the Flutter framework and Dart programming language.
- Experience with mobile app development for both Android and iOS platforms.
- Knowledge of RESTful APIs and integration with backend services.
- Solid understanding of the full mobile development life cycle.
- Excellent problem-solving and communication skills.
- Ability to work independently and as part of a collaborative team.
- Experience with version control systems, such as Git.
- Knowledge of additional mobile development languages/frameworks (e.g., Swift, Kotlin) is a plus.
Good personality with good Communication.
Male or Female can apply.
Interested candidate can share their CV on triple nine zero nine three double one double four.
Job Overview:
Now, we are seeking a skilled Kotlin Developer with around 2+ years of experience to join our team. The ideal candidate will be responsible for developing and maintaining high-performance Kotlin-based applications while ensuring best practices in architecture, security, and performance optimization.This is your chance to make an impact, and we’re here for it.
Key Responsibilities:
● Develop, enhance, and maintain Kotlin-based applications.
● Work with local databases such as Room, SQLite, and Realm for efficient data storage.
● Integrate API services using Ktor, Retrofit, and OkHttp for RESTful and GraphQL-based communications.
● Implement Kotlin Coroutines & Flow for asynchronous programming.
● Follow Clean Architecture and MVVM/MVI principles for scalable and maintainable code.
● Optimize application performance, security, and responsiveness. Write and maintain unit and integration tests to ensure application stability.
● Stay updated with Kotlin, Jetpack components, and the latest industry best practices.
What We're Looking For:
● 2+ years of experience in Kotlin development (Android or KMM).
● Strong knowledge of local database management (Room, SQLite, Realm, or SQLCipher).
● Expertise in API service integration using Ktor, Retrofit, or OkHttp.
● Hands-on experience with Kotlin Coroutines & Flow for efficient asynchronous programming.
● Strong understanding of Jetpack components (LiveData, ViewModel, Navigation, WorkManager, etc.).
● Experience in designing applications following Clean Architecture, MVVM, or MVI patterns.
● Knowledge of dependency injection frameworks like Dagger/Hilt or Koin.
● Proficiency in version control systems (Git) and platforms like GitHub, GitLab, or Bitbucket.
● Experience with unit testing using JUnit, MockK, or Espresso.
● Understanding of performance optimization techniques for Kotlin applications.
Location:- Andheri East (Marol Maroshi Road, Mumbai)
Employment Type:- Full Time (Starts at 12 noon daily)
Company size: 35 employees + several third parties for various functions
Type: Privately Held
USA: 32 Mallard Cove, Barrington, RI 02806, USA
Mumbai: 3th Floor, 369, Sarla Park, Above Bank of Baroda, Marol Maroshi Road, Opp Seven Hill Hospital, Andheri (E), Mumbai - 400059
Office is 10 mins from Marol Metro Station
Note: Please only apply if you have mobile app development experience.
Must have skills:
iOS
- Good Knowledge of Apache Cordova.
- Strong OO design and programming skills in Objective-C.
- Familiar with iOS SDK (UIKit, Cocoa Touch, Core Data, Core Location, etc).
- Familiar with xcode.
Android
- Strong OO design and programming skills in Java (J2EE J2ME).
- Familiar with the Android SDK.
- Knowledge of SQLite, MySQL or similar database management system.
- Familiar with Developer IDE Android Studio.
Common
- Understanding of other compiled languages
- Experience on web service integration (SOAP, REST, JSON, XML)
- Experience of development using web technologies
- Good understanding of OO programming and design patterns
- Good understanding of HTML5, JavaScript, jQuery, Ajax and PHP
- Experience building web and native apps
- Experience using social media APIs
- Ads integration using a 3rd party ad server (DART)
- Using version control (e.g. SVN)
- Excellent debugging and optimisation skills
Good to have skills:
- LAMP development experience
- PHP frameworks (e.g. Zend)
- PHP template engines (e.g. Smarty)
- Creative design skills
- Working with a content management system
- Working in a media publishing environment
Role: Project Manager
Department: Marketing - Software
Employment Type: Full-Time, Permanent
Role Category: Software Development
- Building and Designing advanced Android applications for the Android platform.
- Cross-functional team collaboration to design, define and ship new features.
- To use and work with outside APIs and data sources.
Qualifications
- 3+ years of experience specifically on MVVM architecture creating B2C applications.
- Should have developed at least 1 app from scratch.
- Good knowledge in Java
- Excellent debugging skills
- Good understanding of Kotlin, jetpack components, Android Studio, Android NDK, etc
- Experience and understanding of large and complex code bases and architectures
- Experience in API design, SDK architecture, and mobile software lifecycle development practices
- Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces
The Must-Haves
- Should have developed at least 1 app from scratch.
- Good knowledge in Java
- Excellent debugging skills
- Good understanding of Kotlin, jetpack components, Android Studio, Android NDK, etc
- Experience and understanding of large and complex code bases and architectures
- Experience in API design, SDK architecture, and mobile software lifecycle development practices
- Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces
- Strong CS fundamentals (with competencies in algorithms and data structures)
Job Responsibilities
What you’ll do:
- You will be responsible for the delivery of the application/ feature/ module your team will be working on.
- Write/Review Code every day in addition to pairing with team members on functional and nonfunctional requirements and spread design philosophy, goals and improvements to code quality across the team
- Ensure all code is thoroughly covered by automated tests and that all features meet quality checks before deployment.
- Contributing to the constant improvement of practices and processes in the team.
- Coordinate with cross-functional teams (Product Management, UX Design, Architects, Developers, QA) to define and execute the feature roadmap.
- Research new technologies and tools and share your learning with the rest of the team.
- Provides mentoring and guidance to other team members, including new hires.
Senior Software engineer - iOS
Your Skill Set
What makes you a great fit for our team:
Desired Skills & Experience:
- 5+ years of overall experience with iOS app development
- Design, build and maintain high performance, reusable, and reliable Swift code
- Developed and published at least 1 application in Swift
- Experience in media capturing, editing, and playback using AVFoundation
- Experience in writing unit-tests
- Experience with offline storage, threading, and performance tuning
- Understanding of Apple’s human interface principles and design guidelines
- Good understanding of REST APIs
- Solid grasp of algorithms, memory management, object-oriented programming
- Extensive experience in detecting and correcting memory usage issues as well as optimizing code for application performance
- You have excellent written and oral communication skills
- Experience in Agile Software development and the Scrum methodologies
Good to have:
Knowledge about MVVM along coordinator pattern and Clean architecture is a huge plus
Exposure in creating Video and Media rich applications
Experience with Continuous Integration
Experience working with product-based organizations
Experience working in a Startup environment
Experience designing and developing Android applications, proficiency with Java, familiarity with Android image processing development, familiarity with application development using MVC, MVP and MVVP approach. Ability to work comfortably in a fast-paced, Agile team development environment
Espresso UI Tests, RESTful APIs, working CI/CD pipeline. Experience on Kotlin will be good
Responsibilities:
- Work with UX Designers, Business Analysts and Product Managers to get the complete requirements and designs
- Analyze requirements for technical feasibility and participate in designing the solution
- Independently work in scrum team i.e Self managed developer
- Identify reusable components and build/update component library avoiding duplicate code
- Translate designs and wireframes to produce quality code adhering to performance, readability, reusability best practices
- Build pixel-perfect, buttery smooth responsive UIs for the mobile
- Diagnose and fix bugs and performance bottlenecks for performance
- Participate in scrum team activities
Exp : 6 -12 yrs,
Np : Immediate or Less than 30 Days,
Location : Hyderabad.
JD:
Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
· Hands-on Kotlin, Strong OOPs concept along with SOLID principles
· Strong knowledge of Android UI design principles, patterns like MVP , Clean MVP
· Familiarity with RESTful APIs to connect Android applications to back-end services
· Proficient understanding of code versioning tools, such as Git
· Experience with offline storage, threading, and performance tuning, Memory optimization
· Excellent verbal and written communication skills.
· Effective in a team environment as well as working independently.
· Proven ability to learn and grasp concepts quickly in a fast-paced environment.
Preferred
· Expertise on UI testing using expresso and Unit testing.
· Expertise on creating custom scalable UI View and frameworks.
· Knowledge on JNI and Android NDK.










