I have total 11.8 years of experience in Mobile development. I have lead the developed team and shipped high quality apps to play store for UOB and DBS banks.

Sai Sheshan

I have total 11.8 years of experience in Mobile development. I have lead the developed team and shipped high quality apps to play store for UOB and DBS banks.

Available to hire

I have total 11.8 years of experience in Mobile development. I have lead the developed team and shipped high quality apps to play store for UOB and DBS banks.

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Technical Lead Android Engineer & Squad Lead at UOB Bank (via HCL Tech / Optimum Solutions)
September 1, 2020 - May 1, 2026
Led technical delivery as Squad Lead for Rewards, Chatbot, and Insights modules across Singapore, Malaysia, Thailand, Indonesia, and Vietnam. Coordinated a team of 5+ Android developers and managed the full release lifecycle including SDM documentation, SIT/UAT RAG tracking, escalation of Red/Amber blockers, and execution of release runbooks with test managers for smooth app store deployments. Designed and developed the EDP (Electronic Deferred Payment) module for UOB Singapore end-to-end. Served as Technical Delivery Manager for a cross-platform RDP initiative covering Android, iOS, and Adobe Campaign backend. Built banking modules including OneAccount, ATM Withdrawal Enablement, Fixed Deposit, and Retail Banking account components. Maintained 90%+ test coverage using Espresso and JUnit4/5, enforced Kotlin/MVVM standards, and acted as mandatory code reviewer/reviser for module deliverables with SonarQube quality gates.
Senior Mobile Engineer at DBS Bank (via IBM)
July 1, 2019 - September 1, 2020
Developed next-generation portfolio and watchlist modules (HK) and funds and investment accounts (SG) for DBS iWealth. Built and maintained multi-branch CI/CD pipelines for Bitbucket repositories. Implemented V-Key secure authentication and coordinated penetration testing (Pentest) integration. Worked across MVVM and MVP architectures using Java and Kotlin.
Software Engineer at Land Transport Authority (via Savant InfoTech)
June 1, 2018 - July 1, 2019
Developed a React Native mobile application for a mobility sensing project, integrating REST and GraphQL APIs built on Node.js. Set up multi-branch CI/CD pipelines from Phabricator. Implemented Docker-based UAT environments and IoT sensor integrations.
System Analyst at DXC Technology
September 1, 2016 - June 1, 2018
Delivered Smart Nation applications including Our Tampines Hub and NTUC apps. Built a custom map-based floor plan navigation experience using Canvas API and Singapore’s OneMap APIs.
Senior Android Developer at Banger Tech Pvt Ltd
September 1, 2015 - August 1, 2016
Independently designed and developed the Doodhwala app including OTP authentication, payment gateway integration, and Google Maps integration.
Android Developer at Mobello Technologies
October 1, 2014 - July 1, 2015
Developed e-commerce and service-based Android apps using SQLite. Implemented GCM push notifications and integrated payment gateway functionality.
Android Developer at Vectone India
March 1, 2014 - August 1, 2014
Built ChilliTalk and Vectone VoIP messaging apps featuring in-call tracking and country-wise pricing logic.
Junior Software Developer at SJS Network & Services
January 1, 2013 - February 1, 2014
Developed food delivery and restaurant POS Android apps. Handled UI/UX design and local SQLite database management.

Education

B.Tech in Computer Science at Vel Tech University
January 1, 2009 - January 1, 2013
Internship (coursework/training) at Regional Telecom Training Centre (RailTel HRMS)
January 11, 2030 - July 9, 2026

Qualifications

Meta Frontend Developer Professional Certificate (Coursera) - HTML & CSS in Depth, React, Advanced React, Version Control
January 1, 2024 - December 31, 2024

Industry Experience

Financial Services, Government, Software & Internet, Telecommunications, Computers & Electronics

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more