Oct 2023 – Jun 2024 · 8 mos · Singapore · Hybrid

• Deployed to People's Association from GovTech.
• Cloud & Integration Architect with deep expertise in enterprise cloud transformation, integration modernization, and architecture governance. Deployed at People’s Association via GovTech, I led AWS GCC migration strategies, enabling vendors to deliver successful projects while ensuring adherence to organizational policies and secure design standards.
• Migrated critical workloads including a 3000-user SharePoint COTS farm and citizen-facing services—onto AWS Cloud, integrating services like API Gateway, App Mesh, ECS Fargate, WAF, and S3. Designed reusable modules, resolved technical roadblocks, and reviewed architecture implementations for compliance and security.
• Skilled in Terraform-driven IaC, GitLab CI/CD with OIDC, and cross-account automation using AWS Lambda and VPC Flow Logs. I champion end-to-end modernization—evaluating legacy workloads for re-platforming, guiding multi-AZ deployments, and optimizing infrastructure for performance and cost.

Oct 2023 – Jun 2024 · 8 mos · Hybrid

• Deployed at People's Association from GovTech
• Worked on architecture governance, reviewing and defining cloud migration strategies for on-premise to GCC AWS migration. I enable vendors to successfully deliver cloud migration projects, assist them when they encounter technical issues, set up CI/CD pipelines with GitLab integration for various projects, and develop IaaC in Terraform for infrastructure deployment.
• My responsibilities include actively reviewing cloud architecture and providing sign-offs, ensuring that organization-level cloud migration policies are followed. I suggest improvements in architecture, provide feedback for secure design, and review the actual AWS Cloud implementations to ensure alignment with the designed architecture. Additionally, I integrate App Mesh with ECS deployments, deploy SharePoint farms to AWS Cloud, and develop Terraform scripts for integrated CI/CD with GitLab OIDC Connect. I also evaluate old applications to determine if there is a need to re-platform some of them. My achievements include successfully rolling out two major projects.

Jul 2023 – Oct 2023 · 3 mos · On-site

• Deployed to DSTA from IBM
• Implemented JWT token verification using AWS API Gateway and AWS Lambda for Java-based microservices.

May 2022 – Oct 2023 · 1 yr 5 mos · Singapore · On-site

May 2022 – May 2023 · 1 yr · Singapore

• Fullstack Solution Architect Deployed in DBS from IBM(Perm)
• Project : DigiBank Taiwan
• DBS digibank online, previously known as DBS iBanking, is more than a tool for viewing your account balances, transferring money and paying bills. It allows you to apply for new accounts and credit cards instantly, and manage your finances,
• Responsibilities
• I worked in the Onboarding Domain, focusing on discussions with business stakeholders, feasibility analysis, closing requirement gaps, proposing solution architectures, discussing with the stake holders including service owners for coming up with the appropriate solution architecture and estimating the manpower required for these solutions. My responsibilities included, attending daily sprint calls to provide technical assistance, and ensuring we achieved UAT sign-off, staging sign-off from business and go live with production features.
• My role involved working on the solution architecture for Digi Bank Mobile App which includes frontend and backend systems using technologies such as Java, Spring Boot, React, Kafka, and AWS. I acquired knowledge of AWS cloud architecture to support services like Ang Bao cash delivery for retail and corporate customer segments. I managed the onboarding process for DBS Customer , I improved the existing onboarding process for migrating Citi Customers to Digibank
• I supported the corporate customer segment for DBS
• I removed the roadblocks for dev team and communicated across teams to secure API contract details and integrate them securely with backend systems. I was responsible for performing high-level effort estimations, providing non functional requirements and providing walkthroughs of approved solutions to both backend and frontend teams.

Jan 2020 – May 2022 · 2 yrs 4 mos

• I reported to the Manager and led a team on an on-site project for Citibank in Singapore, tasked with implementing a mobile framework/dashboard that enables quick creation and configuration of mobile apps for Hong Kong and other EMEA markets. Prior to this, I managed multiple projects for international clients from the USA and Australia, focusing on the development and implementation of mobile apps. I allocated work to the offshore team, guiding them through issue and defect resolution while contributing to story development, architecture, and design. I coordinated with business analysts to ensure a clear understanding of business requirements for new implementations and communicated regularly with service teams, framework teams, and other stakeholders.
• I actively participated in weekly status meetings with the client director, where I suggested innovative ideas and received feedback on the team's mobile development delivery. My role also involved team development tasks like conducting recruitment interviews, overseeing the induction and training of new team members, and appraising the performance of the mobile team.

Jan 2017 – Jan 2020 · 3 yrs

• Prepare high level design and low level design
• Interact with customer on a daily basis to update the progress of work and clarification of requirements.
• Develop cross platform reusable components with Angular , Apache Cordova for Android, Windows and Browser
• CI/CD, Created a single pipeline script catering to a number of jenkins jobs thus improving maintainability.
• Develop Apache Cordova plugins for platform specific development.
• Write unit test cases using Karma and Jasmine and perform mocking for the content received by plugins, hardware interaction and user input.
• Interview for new hires to fill in the attrition of the team.
• Create NodeJs servers and Json request response
• Develop cross platform mobile app using Xamarin for Android and Windows
• Development of iOS app for iPad UI Screens as per business requirement
• Development in Android for Apps for customer demo and POC.
• Tools and Technologies: Apache Cordova, Angular 6+, Visual Studio, Visual Code, Jenkins, LEANFT, Karma, Jasmine, Gulp, Dependency injection, Typescript, JavaScript, HTML, CSS, Android, Windows UWP, C++, CI/CD Jenkins, NodeJS, Docker, AWS, Springboot, MongoDB, Firebase, HTTP
• C#, XAML, Xamarin, BACNET Protocol, Bluetooth, Visual Studio, Wireshark, MVVM design pattern.
• Swift, iOS, XCode, Apache Cordova, AWS Cognito, MVC design pattern, JSON parsing, Kotlin , Dagger 2.0, MVVM, Retrofit

Jan 2020 – May 2022 · 2 yrs 4 mos · Singapore

• Project : Citi Mobile App, banking on the go has never been simpler or more convenient. You can now manage your
• finances seamlessly and securely in just a few taps – right from the palm of your hand. Manage your bank accounts and credit cards seamlessly, transfer funds or make payments on the go, stay up to date on your transactions and important notifications via Push Notifications, access market insights and pursue your wealth goals, convert your big purchases into affordable
• Responsibilities
• . New feature development for Citibank retail banking app.
• . Rollout existing features for other countries
• . Screen and hire people for technical requirements
• . Submit and weekly status calls with the client on behalf of Wipro
• . Identify risks in delivery of Sprint items after discussion with other development teams and plan to mitigate them
• .Ramp up new hires

Aug 2017 – Jan 2020 · 2 yrs 5 mos · Hyderabad, Telangana, India

• Operational Manager Devices (OMD)
• The aim of this project was Operational Manager Devices (OMD), for mobile apps, enabling mobile access to services for personal executing or overseeing field operation activity and was mainly aimed to modernize the existing applications, by providing micro frontend re-usable components with the mindset to keep up with the rapid evolution of technology along with growing expectations of business partners, of the client, there was a need to develop a set of reusable components that could be configured based on the needs of the FedEx Business partners. This enabled the business partner to achieve similar functionality, with their own customizations, on top of it. The major advantage of this approach was that the cost of development was reduced, using open source tools such as Visual Studio code and Angular, for developing these reusable components. The development had to be done in a cross-platform way so that the reusable components could be used on Android, Windows and Browser.

Jan 2017 – Aug 2017 · 7 mos · Hyderabad, Telangana, India

• The Breville Smart Cooker, an IOT device that interacts with the IPad, to send cooking recipes to the cooker. This project for development & implementation of the iOS App that interfaces with the AWS cloud and the embedded Cooker, to show the user the list of recipes present in the Recipe Authoring tool website. Cloud interacts with this website to get the recipe based on the filter criteria. This app initially connects with the embedded cooker via Bluetooth and then connects to the socket endpoint over the Wi-Fi, to receive a compact recipe format in the cooker. The cooking process navigates the user interface, of the App, connected with the cooker, to show interactive user interface, enabling delightful cooking experience, with the smart cooker.
• Responsibilities
• Prepare high level design and low level design
• Interact with customer on a daily basis to update the progress of work and clarification of requirements.
• Development of iOS app for iPad UI Screens as per business requirement
• Integration with AWS Cognito, S3 buckets and AWS APIGateway

Jan 2017 – Jul 2017 · 6 mos

• Project : eCommission SmartX Controllers Mobile Application for Android and Windows for airflow balancing of office campus/ building Airconditioning.
• The App discovered various bacnet controllers , showed Device List view, enabled the selection of SmartX IP controller to which you want to download the application image. The Device List view has filters that allow you to easily find and select the controller:
• If you are logged in as a Flow Balancer, the device list is automatically filtered to show only MP-V controllers.
• If you are logged in as a Technician or Electrician, you can sort the list of discovered devices by controller model.

Aug 2013 – Jan 2017 · 3 yrs 5 mos · Hyderabad Area, India

• > Develop a reusable framework for iOS App automation using XCTest
• > Migrate the iOS framework code to IPv6 environment and iOS 10
• > Fix production, support and QA identified defects related to “Kony framework for iOS”.
• > Analysed the performance degradation resulted by using reflection API and achieved significant performance boost for windows 10 application framework for Kony Visualizer.
• > Performance tuning of Kony Framework for Windows
• > Implemented RSA algorithm for Windows Framework
• > Implemented calendar widgets for windows framework of Kony Visualizer. The calendar widgets were developed with different views like day view, Week view, Month view, these widgets enabled windows phone and tablet users to schedule their appointments for day, week or month.
• > Implemented custom widget import for Kony Visualizer windows platform. This feature enables users of Kony Visualizer to import widgets from native class library (dll) to the intended windows platform (desktop, tablet or mobile).
• > Implemented worker threads for “Kony Visualizer windows platform”, The worker thread module enables users of kony studio to create threads on windows native platform (desktop, tablet and mobile).
• > Implemented encryption of sqlite database

Jun 2012 – Aug 2013 · 1 yr 2 mos

• Samsung Link(August 2012 - August 2013)
• Samsung Link is an app that connects all devices and storage services in one place for integrated search and playback. Users can register their device such as a PC, smartphone, or tablet to the same account, and watch videos, listen to music, or share photos or documents on their device remotely. Content on storage services such as Dropbox, Skydrive can be also downloaded or streamed.
• Features
• 1. Remote playback and transfer of content across devices
• As well as content on the home PC, content on devices with the same account can be played or transferred across devices while on the move.
• 2. Access content on TV
• Using the DLNA function supported by AllShare, users can play videos saved on their smartphone, tablet, or PC on their TV. In addition, once logged in with the same account, users can also access content on devices connected to other networks or on a storage service on their TV.
• 3. Share media to social networking
• Users can share media to social networking services such as facebook, twitter and other registered apps.
• 4. Integrated search
• With the integrated search window, Samsung Link lets users search for content across all registered Samsung devices or storage services with the same account.

May 2010 – Jun 2012 · 2 yrs 1 mo

• Easy Printer Manager (April 2009 - August 2012)
• The Samsung Easy Printer Manager is an essential application for any serious business operation. Its simple user interface integrates all your print management into one easy-to-use system. From simple tasks like checking for device information to more tedious jobs like re-ordering and setting up scanning and faxing infrastructure, features like the Application Box, which stores the most popular actions for quick access, ensures that business users can get positive results in terms of efficiency and productivity.Samsung Easy Printer Manager is an application that combines Samsung machine settings into one location. Samsung Easy Printer Manager combines device settings as well as printing environments,All of these features provide a gateway to conveniently use your Samsung Print machine.

Apr 2009 – May 2010 · 1 yr 1 mo

• Easy Printer Manager.
• Proof of concept,feasibility analysis and prototyping of Easy printer manager application.

Jul 2008 – Apr 2009 · 9 mos

• Rocket C3, Allura Xper and Field service application (July 2008 – April 2009)
• Allura Xper is the software application interface developed by philips healthcare to do operation on the Xray – CArm along with this we have a field servicing application which services the Xray- CArm machine when there are machine or software related problems.

Apr 2008 – Jul 2008 · 3 mos

• Sipac (August 2006 – July 2008)
• Sipac Variant configurator is a quote and order management system designed for Siemens energy and Automation for its customers, this application supports both thin and thick clients, it also implements AutoCAD based drawings for electrical products, through this application the customer can configure some of the complex products. This product aids in automatic generation and management of sales and engineering artifacts.

Feb 2006 – Apr 2008 · 2 yrs 2 mos

• HealthCard Editor (Feb 2006 – August 2006 )
• HiPath SIcurity HealthCard Appender is a smart card based solution for Health Care Providers. The Health card (smart card) would be issued to the patients of the Hospitals. The solution would enable users to read/write the administrative and the clinical data of the patients onto smart cards. The data can be manually written or can be imported from the backend system in the form of XML, parsed and stored on the card. The data stored on the card can be viewed and printed by the various users as per their role definitions.
• Recorder (Feb 2006 – August 2006 )
• Recorder+ is a Time and Attendance System. It marks attendance for employees and stores IN and OUT transactions for them. This system allows user to enter employee related data. Each employee will be given a contact less smart card as an ID card. Web part of the system contains Shift Management, Leave Management, User Management, Manual Marking of attendance, defining organization structure, Access control module (giving door/unit access to different employees), Blocking and unblocking of cards, Leave work flow to apply and approval of leave on intranet, Overtime work flow, Leave Encashment work flow. Generation of PDF and Excel Reports.