Arun Kumar

Dynamic Mobile Application Developer with over 8 years of experience in Android, Java, iOS, Swift, Dart, and Flutter. Known for integrating proven app components that drive revenue generation and boost user engagement. Recognized for developing software that consistently ranks among top app store charts. A dedicated problem-solver with a strong analytical mindset, committed to delivering high-quality code within tight deadlines.

Developed Apps (Android & iOS,Flutter) :

1.BookMyHairstylist - Online Booking Platform to book your haircut.

2.Tweeds - An Entertainment & Social app for editing and posting your videos for online communities.

3.SickAid - A crowd funding app specially needed for needy people.

4.VserveLoans - A banking related app for consumers to apply loan through app & to solve bank related queries.

5.Achat - A chat application specially developed for an organization to chat within their circle with unique functionality (ex:chat message with timer , admin can delete or control other members,targeted for specific PhoneNumber's and Phone).

6.Employee Monitoring App (Android only)- An exclusive app for employee monitoring like call recording,browsing history ,contact details ,sms chats,screen recording ,voice recording etc.

7.JuzGoDigital - An exclusive app for Doctors & Patient's to book appointments & and resolve their medical related problems online.

8.InfluencerDomainName (Flutter) - A web platform to purschase SLD domains

Senior Mobile Application Developer 

TBT Enterprise Mobile Solutions
Location: Coimbatore, India

Responsibilities & Achievements:

• Led the development and maintenance of mobile applications for both iOS and Android platforms, using Swiftand Kotlin.
• Worked closely with cross-functional teams, including designers, product managers, and QA engineers, to deliver high-quality mobile apps.
• Spearheaded the transition of multiple mobile apps from Objective-C to Swift (iOS) and from Java to Kotlin(Android), improving app performance and developer efficiency.
• Implemented new features and optimized existing functionalities, leading to a 25% increase in user engagementand 20% improvement in app load times.
• Designed and developed custom UI/UX components to ensure a consistent and native experience on both iOS and Android platforms.
• Integrated third-party services such as Firebase (for real-time data syncing and authentication), Google Maps SDK (for location services), and REST APIs (for backend communication).
• Managed and mentored a team of junior developers, providing guidance on best practices and improving team productivity through regular code reviews.
• Worked within an Agile development environment, participating in daily standups, sprint planning, and retrospectives.
• Ensured the mobile applications adhered to all App Store and Google Play Store guidelines, resulting in high user ratings and positive feedback.

Key Achievements:

• Successfully launched multiple high-performance mobile apps across iOS and Android.
• Reduced crash rate by 30% across both platforms by optimizing app performance and resolving critical bugs.
• Played a key role in the development of a mobile payment gateway integrated with the app, increasing revenue through in-app purchases.
• Achieved 4.8/5 ratings on App Store and 4.6/5 ratings on Google Play for key mobile applications, demonstrating high user satisfaction.
• Introduced and implemented CI/CD pipelines to automate build and deployment processes, improving development efficiency and time-to-market.

Technologies Used:

• iOS Development: Swift, Xcode, UIKit, Core Data, Firebase, REST APIs, Push Notifications
• Android Development: Kotlin, Android Studio, Firebase, Google Maps SDK, Retrofit, REST APIs, Push Notifications
• Other Tools: Git, Jira, Bitbucket, Jenkins, CI/CD, Agile Methodology

Mobile Development Lead

KrypC Technologies — April 2023 – March 2024 Location: Coimbatore, India

Responsibilities & Achievements:

• Led the mobile development team, managing both iOS and Android platforms to deliver high-quality mobile applications in a timely and efficient manner.
• Worked closely with product managers, designers, and backend teams to build seamless, user-friendly applications while ensuring adherence to technical specifications and timelines.
• Architected and developed mobile applications using Swift (iOS) and Kotlin (Android), focusing on performance, scalability, and excellent user experiences.
• Introduced cross-platform development by incorporating React Native for efficient feature development, reducing overall development time and cost.
• Pioneered the integration of cutting-edge technologies such as blockchain and cloud services (AWS) to enhance app functionality and provide secure solutions to users.
• Oversaw end-to-end development for multiple apps, from conceptualization and UI/UX design to implementation and deployment on both App Store and Google Play.
• Improved app performance, leading to a 40% reduction in loading time and enhanced battery efficiency, optimizing mobile experiences for users.
• Led the establishment of CI/CD pipelines to automate testing, building, and deployment, speeding up development cycles and ensuring consistent quality.
• Conducted code reviews and mentored a team of junior and mid-level developers, fostering a collaborative environment focused on continuous learning and improvement.
• Ensured app compliance with Google Play and App Store guidelines, resolving any submission issues promptly and maintaining high-quality app reviews.

Key Achievements:

• Successfully launched and managed across platforms.
• Spearheaded the integration of blockchain technologies to enhance the security and efficiency of mobile transactions, providing users with a cutting-edge experience.
• Increased team productivity by 20% by implementing Agile methodologies, fostering improved communication, collaboration, and task management.
• Enhanced user experience by adding features like real-time notifications, cloud storage, and multilingual support, driving higher engagement.
• Maintained high app ratings: 5/5 stars on the App Store and 4.8/5 stars on Google Play, demonstrating strong user satisfaction and loyalty.

Technologies Used:

• iOS Development: Swift, Xcode, UIKit, Core Data, Firebase, REST APIs, Push Notifications, Blockchain
• Android Development: Kotlin, Android Studio, Firebase, Google Maps SDK, Retrofit, REST APIs, Push Notifications
• Cross-Platform Development: React Native
• Cloud Services: AWS, Firebase
• Tools & Practices: Git, Jira, Bitbucket, Jenkins, CI/CD, Agile Methodology