Sachith Nuwan Kalehe Watta Email & Phone Number

Colombo, Western, Sri Lanka

Designing and Developing AI Based Automated Call center for Pizza Hut and Hotel Management which will take orders and reservations by capturing incoming client call using Vapi voice API which will automate and reduce human interaction by 90% in call center operations.Architected, Designed and Led the Destinity Inspire vButler platform, a virtual butler service for guests which will reduce human interaction in check-in, check-out, bill settlement, extra service reservations, restaurant… Show more Designing and Developing AI Based Automated Call center for Pizza Hut and Hotel Management which will take orders and reservations by capturing incoming client call using Vapi voice API which will automate and reduce human interaction by 90% in call center operations.Architected, Designed and Led the Destinity Inspire vButler platform, a virtual butler service for guests which will reduce human interaction in check-in, check-out, bill settlement, extra service reservations, restaurant ordering by 40% to 50%. We have won the silver Award (Tourism & Hospitality in Consumer sector) for this in NBQSA National ICT Awards 2023 and nominated for Asia Pacific ICT Awards.Architected, Designed and Led the development team to improve loading speed of Pizza Hut Sri Lanka and KFC Sri Lanka Online Ordering System by 50%. Reduce page loading to 2.8 seconds which was more than 6 seconds previously by implementing customized caching solution and other dynamic data loading mechanisms.Architeced, Designed and Led the team for Automatic Order Status Capturing and Rider Tracking Solution using Image Processing, Machine Learning and Azure Signal R and Google API Integration for Pizza Hut Order Status and Rider Tracking which gain the order status accuracy from 30% to 85% accuracy with real time tracking. Designed and developed OCR solution which uses Machine Learning for reading passport data by using mobile camera it helps to reduce check-in time by 50% in self check-in process and reduce the queue in front office.Created GPTs for Optimizing Microsoft SQL Queries, Refactoring, Code Reviews. Give suggestions for developers using above and Some UI UX worloads such as Json to HTML Email template creation in CRM module and ect. These AI work reduce development time by 20%, increase the accuracy of the work and less bugs. Show less

Colombo, Sri Lanka

Led and coordinated a cross-functional team of developers to successfully deliver a major software projects such as Pizza Hut, KFC online ordering platforms and Hotel Management Solution on time and within budget.Revamped Hotel ERP cloud based multi property system and develop it with new features and cutting edge solutions such as IoT integration, IPTV Integration, Door lock integration for Jetwing Hotels.Architected Microsoft Azure Solutions for fulfill customer requirements… Show more Led and coordinated a cross-functional team of developers to successfully deliver a major software projects such as Pizza Hut, KFC online ordering platforms and Hotel Management Solution on time and within budget.Revamped Hotel ERP cloud based multi property system and develop it with new features and cutting edge solutions such as IoT integration, IPTV Integration, Door lock integration for Jetwing Hotels.Architected Microsoft Azure Solutions for fulfill customer requirements fits within the their budget. Show less

Colombo, Western Province, Sri Lanka

Designed and developed Pizza Hut Sri Lanka Online Ordering Solution and integration platform. Solution is developed using ASP.Net MVC and Azure SQL Database and hosted in Azure App Services. Azure Web Jobs, API Manager, Signal R, Azure Storage Accounts, Monitoring and Insights used as supporting service for this development.Conducted code reviews and mentored developers to improve code quality and ensure adherence to best practices

Colombo District, Western Province, Sri Lanka

Assisted students in preparing for Microsoft Certified Solution Developer (MCSD) examination which increased pass rate from 10% to 25% in first exam attempt.Developed and taught a course on modern software development techniques specially based on MVC architecture that increased student engagement by 30% measured by attendance and course work submission.

Nugegoda, Sri Lanka.

Designed and developed core functionalities in ASP.Net, MVC and Microsoft SQL Server, Amazon Web Service (AWS) and bug fixes of Corporate Catering and Office Food Delivery for Grubhub food delivery chain based in UK and USA.Collaborate developments and prototyping with Multi geographical development teams in Sri Lanka, India, Hungary and USA.Conducted Knowledge Share Sessions and interactive learning sessions to develop coding skills and soft skills.

Designed and developed API middle-ware for Destity ERP solution which reduce huge effort of integration and development time and also it helps to easy integration. Developed REST and SOAP APIs and Web Services for Hotel Management Solution to integrate it with third party Online Travel Agents such as Booking.com, Expedia, TripAdvisor, Axis Rooms, Hotel Network, Staah and etc. Developed core module such as Booking Engine, Customer Feedback Management, Housekeeping Mobile APIs and… Show more Designed and developed API middle-ware for Destity ERP solution which reduce huge effort of integration and development time and also it helps to easy integration. Developed REST and SOAP APIs and Web Services for Hotel Management Solution to integrate it with third party Online Travel Agents such as Booking.com, Expedia, TripAdvisor, Axis Rooms, Hotel Network, Staah and etc. Developed core module such as Booking Engine, Customer Feedback Management, Housekeeping Mobile APIs and Inventory Management of Destinity PMS and ERP.Implemented authentication protocols such as OAuth to securely expose data to clients, consume data from clients and latest authentication mechanisms such as Single Sign On and Multi-factor Authentication. Show less

Colombo, Western Province, Sri Lanka

Developed Human Resource Management Solution based on ASP.Net and Microsoft SQL Server, which integrated to Attendance System, Payroll, and SMS gateway.Identified root causes, and proposed solutions to software requirement issues which reduced development time by 4 - 6 weeks from initial development plan. Developed a software prototypes in ASP.Net Web Services for approval processes based on SMS and Email, that successfully demonstrated and implemented, it decrease the time of… Show more Developed Human Resource Management Solution based on ASP.Net and Microsoft SQL Server, which integrated to Attendance System, Payroll, and SMS gateway.Identified root causes, and proposed solutions to software requirement issues which reduced development time by 4 - 6 weeks from initial development plan. Developed a software prototypes in ASP.Net Web Services for approval processes based on SMS and Email, that successfully demonstrated and implemented, it decrease the time of approval process of employee requests such as leaves, grievance and complains and quick response to those.Installed and configured various software applications and services to support the organization’s needs Show less

Colombo

Trained and developed C# Windows Form Applications, ASP.Net Web Form Applications, Microsoft SQL Server and Crystal Reports.

Galle

Developed and taught courses in computer science and did practicals, resulting in a 30% increase in student enrollment.

Bsc In Management Information Systems, Management Information Systems And Services, Graduated With First Class Honours With The Highest Gpa (3.91) Of The Batch.

Graduated with First Class Honours with the highest GPA (3.91) of the batch.

Microsoft Certified Solutions Developer (Mcsd) In Web Applications, Mcsd: Web Applications Solutions Developer

Programming in C# Programming in HTML5 with JavaScript and CSS3 Developing ASP.NET MVC 4 Web Applications Developing Windows Azure and Web.

Higher National Diploma, Computer Science, Completed With Distinction.

Certificate In Computer Science, Distinct

Certificate Course In English Language, Distinct