Tharindu Silva

Delivering reliable retail technology solutions through expert installation, system optimization, and client enablement across POS and weighing platforms.

• Improved retail uptime by configuring and deploying POS systems tailored to client infrastructure.
• Enhanced accuracy of weighing devices by calibrating and maintaining precision Magellan scales used in high-volume retail environments.
• Resolved 95%+ of technical incidents on first contact through methodical diagnostics and remote support tools.
• Reduced recurring faults by creating internal documentation and contributing to a shared troubleshooting knowledge base.
• Increased customer self-sufficiency through one-on-one coaching on system operations and maintenance best practices.
• Collaborated with partner vendors to integrate multi-system POS and weighing solutions, improving cross-device reliability.

Focus: POS Systems, Windows, Hardware Diagnostics, Networking, Customer Enablement, Knowledge Base Optimization

Contributed to MyLeave, a multi-tenant business workflow platform built with Spring Boot and AWS, focusing on backend architecture, automation, and secure authentication.

• Built 50+ REST APIs in Java using Spring Boot with 80%+ unit and integration test coverage.
• Managed AWS Cognito (OAuth2) authentication for 100+ users within a multi-tenant setup.
• Designed multi-tenant architecture leveraging AWS Cognito and Route 53 for automatic subdomain provisioning.
• Developed AWS Lambda functions to handle dynamic user data and automate backend operations.
• Collaborated in an Agile 10-member engineering team, contributing to sprint planning, code reviews, and documentation.

Focus: Spring Boot, Java, AWS Cognito, AWS Lambda, AWS Route 53, MySQL, JPA, Git, Agile

Supported the development of ServiceTag, an auto repair shop management platform using .NET Core, React, and SQL technologies.

• Developed and integrated REST APIs in .NET Core to support core system modules.
• Built customer and repair management modules with React and TypeScript.
• Designed and optimized relational SQL databases ensuring performance and data integrity.
• Worked within a small agile team to deliver a functional product prototype within 3 months.

Focus: .NET Core, C#, ReactJS, TypeScript, SQL, Git, Agile

First Class Honours

• Coursework included object-oriented programming, databases, machine learning, concurrent programming, and mobile app development.

• Developed a cross-platform fitness app using React Native and Spring Boot to help users achieve personalized weight-loss goals.
• Built and integrated a regression model that accurately estimated calorie expenditure based on user activity data.
• Implemented secure authentication and authorization workflows with Spring Security, ensuring user privacy and data integrity.
• Optimized backend endpoints for faster data retrieval, improving overall app responsiveness by over 25%.

• Built a real-time messaging platform with Next.js and Spring Boot, enabling instant chat updates, typing indicators, and notifications through webhooks.
• Integrated Clerk authentication for secure user sign-in and seamless onboarding.
• Containerized frontend and backend with Docker and deployed on Google Cloud Run using automated CI/CD pipelines.
• Enhanced user engagement metrics by optimizing socket communication and reducing message latency under 100 ms.

• Developed an AI-driven health application that predicts BMI and BMR from facial images using a VGG16 deep-learning model.
• Achieved a mean absolute error below 3 kg/m² on test data, demonstrating strong model precision.
• Integrated AWS Cognito with two-factor authentication to ensure secure user access.
• Deployed backend Flask services through AWS Elastic Beanstalk with an RDS database and automated CI/CD via CodePipeline.