Developed notification service for cosmetic company facilities like promotions, notifications and clientinteraction. Notification hub written on spring boot with integration with 3rd party api Braze for SMS.Messaging channels included email, SMS and push notifications with opennes for future extensions. Also usedApache Spark and Scala for the development of RTM system with load of million users at the same time. Wasinvolved in migration of services from on-premises to AWS.

Developed a number of services including reservation system for B2B clients to let them post their ads in companychannels. Technologies involved are Java, Spring Boot, SparkJava,Postgres, IPFS, etc.Designed booking algorithm that accomodates multiple clients on their preferences on multithreading environment.

Project 1: Optimisation system for airline facilities that operates on historical data and proposes almost realtime optimised solution. Fully backed system, everything is dockerized, backed on python, alembic and MySQL. Project 2: Frontend part of the internal flight management system on React.JS using Amchart.js library.

> Developed internal realtime tracking &trading system for the productsincluding simcard, routers, modems, other devices, brochures, etc.> Beeline telCo has many partner shops and organisations that distribute/sell company products to the mass market. Main users of the system is from the warehouse workers to the shop dealers/salespersonnel.>This system solved the problem of "lost products" from 10% to 0 every year and increased the company profitability by equal amount.>Tech stack is Java, Spring Boot, React.JS, JSX, Redux, PostgreSQL. Main role is backend developer and team lead of the project.

Project 1:Developed an educational platform for MOE on SpringMVC using Java8. Web Application automates educational process by helping for content makers to generate content, for Ministry of Education officers to control, for teacher to assign/check tasks and for students to try and submit the online content/tasks in e- platform. AWS Cloudfront was used to accelerate the content delivery.Maths formulas and special formatting was achieved by 3rd party lib TinyMCE. Client side was developed on pure javascript using some libraries like jQuery,tag,etc. By AgileWeb approach,i was involved in fullstack development: from DB queries to front end coding on javascript depending on user story(task). System is meant for 5 million users. Project 2: Developed gateway on Scala to interface Message Broker Framework with external system using Akka system. Interfacing include output and input file streams. Also automated release deployments using Perl scripts for SGX. Mainly fixed bugs,corrected flow for every scala file(logic unit of system).

* Developed National Electronic Health Record(NEHR) system portal for MOHH to digitalise healthcare facilities on SpringMVC, Java8. Centralised system contains full medical history records of every patient in Singapore. Main users are General Practitioners(GPs), who can check and populate the medical data on every patient. Interaction between logically divided servers happen via web-services using SoapAPI. System also can show all restrictions and finest details of patients. Different technologies like maven, hibernate, OracleDB, Weblogic server, IBM tools were used. Mainly worked in backend on java SpringMVC, developed webservices using soap protocol, added/modified the logical workflow depending on the user requirements, fixed bugs.* Developed and customised in-house framework "Simplicity" on Microsoft Technological Stack : ASP.NET and C#. Framework provides standard CRM functions + Financial modules like Accounts Payable and Accounts Receivable. Mostly worked as fullstack, extended and modified different modules of the CRM, from backend to frontend.

Researching about different aspects of networking and distributed systems. Researching algorithms like Google Page Rank and Small World to determine the function of brain networks.

- Developed new feature for AutoCAD: Hatch Pattern Creator using HTML,HTML5, Javascript, jQuery, CSS, Google Analytics. http://hatch.azurewebsites.net/#(beta version)