Hello, World.

About

Let me introduce myself.

As an experienced Android developer with 8+ years of experience, I have successfully managed 20+ team members and clients with minimal escalations, delivering high-quality Android apps. Proficient in Java, Kotlin, modern architectures, and team leadership, I focus on providing scalable solutions and crafting exceptional user experiences.

Profile

Fullname:

David Jeyaseelan

Birth Date:

Jul 9th, 1993

Current Position:

Associate Lead Software Engineer

Website:

jeyc.dev

Email:

s.davidjeyaseelan@gmail.com

Skills

Android

100%

Java

80%

Kotlin

80%

Android Application Development

100%

Project : CITIBank IN

Project Detail : Citibank IN is a banking project and it’s developed for CITI bank group. To provide hassle freedigital bankingexperience to the Indian User.

Responsibilities:

• Created and maintained mobile application projects, ensuring timely delivery within deadlines.
• Communicated with clients regularly and submitted weekly status updates
• Collaborated with clients and Business Analysts to gather requirements for new functionalities. Providedaccuratedeadlines for completion.
• Developed Proof of Concepts (POC), submitted them to Business Analysts and clients, and secured approval beforeproceeding with full implementation.
• Allocated tasks to developers, tracking progress to ensure timely task completion.
• Collaborated with the development team, providing crucial support during development to ensure qualityandefficiency
• Fostered a motivating and friendly environment, boosting team morale and encouraging timely completion of tasks.
• Coordinated with other teams to identify and resolve bottleneck scenarios, ensuring smooth project execution.
• Created and presented Root Cause Analysis (RCA) documents, discussing issues with clients and proposing actionable solutions.
• Provided immediate fixes for bottleneck scenarios, ensuring minimal disruption to ongoing projects and development.
• Utilized online tools and emulators to ensure compatibility across a variety of Android OS versions, enhancing app performance.
• Supported CICD pipeline processing integration in Android applications, streamlining the development and deployment processes.
• Managedteam progress and project status using Jira, tracking tasks and utilizing burn-out charts to monitor project health and timelines.
• Implemented version control using GitLab and SVN, ensuring seamless collaboration and code management across development teams.
• Completed development and released builds to the client for testing within a 2-week sprint duration, ensuring timely delivery and client satisfaction.

Project : Axis Open

Project Detail : Axis Open owned by Axis group. India’s one of leading banking service provider. Created to provide banking service to its customers.

Responsibilities:

• Enhanced app security by incorporating SSL Pinning and performing SSL validation using SSL certificates, safeguarding communication between the app and servers.
• Integrated third-party security tools like Appdome, Promon, and Lookout SDK to provide additional layers of protection and prevent unauthorized access and data breaches.
• Integrated Chat SDKs like Moxo and Moxtra to enable real-time communication and support features within the app.
• Integrated ThreadMatrix SDK to enhance application security for high-risk transactions by leveraging real-time location changes, providing an added layer of protection against fraud and unauthorized access.
• Monitored ANR crashes through the Google Play Console, analyzing crash reports to identify issues and ensure smooth app performance.
• Provided timely support to resolve ANR-related issues, optimizing the app for better responsiveness and user experience.
• AlsouseProGuard for obfuscation of the Android application to protect the codebase from reverse engineering, enhancing app security.
• Created Low-Level Design (LLD), High-Level Design (HLD), and unit test cases to improve application development processes and release quality.
• Utilized JUnit to perform API automation testing, ensuring the stability and functionality of APIs while optimizing testing efforts.
• UsedSonarLint to check and improve code quality and performance, ensuring adherence to coding standards and best practices throughout the development process.
• Implemented and used Camera, Bluetooth, Location, and Audio hardware to enable key features like UPI, chat, and security within the application.

Project : Finzapp

Project Detail : Finzapp owned by Panobiz organization, To provide digital loan and credit card services to Indian customer with referral bonuses.

Responsibilities:

• Asthesole Android developer, identified and resolved basic development issues while continuously upgrading technical skills.


• Collaborated with clients to gather new requirements, providing quick updates and ensuring project progress.


• Created and shared Proof of Concepts (POC) with clients to confirm changes before development.


• Provided development timelines and ensured projects were completed within deadlines.


• UsedAndroid Studio and Java to develop Android applications, leveraging self-taught skills to handle challenges.


• ManagedPlay Store submissions, addressing warnings and ANR crashes, providing permanent solutions to improve app stability.


• Conducted alpha and beta testing in Play Console to identify issues and improve app performance.


• Workedclosely with clients to ensure necessary declarations were submitted for app maintenance in the Play Console.


• UsedAndroid Studio's inbuilt issue-finder tools to improve app performance and code quality, identifying potential issues early and optimizing the application for better stability and speed.

Project : Qtanium Connect, Navman Wireless, Reis

Project Detail : Qtanium connect, Navman wireless and Reis is iOT based vehicle detail tracking application. That’s owned by Teletrac Navman. That will provide real time data about vehicles.

Responsibilities:

• Utilized Telerik AppBuilder to develop cross-platform apps that supported both Android and iOS devices.


• Collaborated with the Lead to gather new requirements, created Proof of Concepts (POCs), and shared them for review and approval.


• Completed coding and POC tasks within deadlines, ensuring timely delivery of features.


• Provided daily status updates to the Technical Architect, ensuring clear communication regarding project progress.


• Addressed any bottlenecks or blocking issues by directly discussing them with the Architect and Lead to find solutions.


• Successfully created and published new applications on the Google Play Store, ensuring compliance with platform guidelines.


• UsedSVNforversion control to maintain the codebase and manage collaborative development efforts.


• Created manual test cases and performed thorough testing during the build QA release phase to ensure the quality and functionality of the application before deployment.


• Actively identified bugs, reported issues, and worked with the development team to resolve them, ensuring a stable and error-free release.

s.davidjeyaseelan@gmail.com

7418799278