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I’m a software engineer with 6+ years of experience building enterprise-grade web applications using C# and the .NET ecosystem, including ASP.NET Web API, MVC, Entity Framework, and SQL Server. I enjoy designing clean, maintainable solutions with strong OOP, SOLID principles, and reliable API/backend implementations. I also bring solid front-end experience with Angular and React, working across UI requirements and sprints from implementation to testing. I’m comfortable collaborating with international clients, troubleshooting production issues, and continuously learning new technologies to deliver features that meet real business needs.…I’m a software engineer with 6+ years of experience building enterprise-grade web applications using C# and the .NET ecosystem, including ASP.NET Web API, MVC, Entity Framework, and SQL Server. I enjoy designing clean, maintainable solutions with strong OOP, SOLID principles, and reliable API/backend implementations. I also bring solid front-end experience with Angular and React, working across UI requirements and sprints from implementation to testing. I’m comfortable collaborating with international clients, troubleshooting production issues, and continuously learning new technologies to deliver features that meet real business needs.

Gonagala Withanage Madushani Sampath

Web Developer, Full Stack Developer, Back-End Developer, +3

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I’m a software engineer with 6+ years of experience building enterprise-grade web applications using C# and the .NET ecosystem, including ASP.NET Web API, MVC, Entity Framework, and SQL Server. I enjoy designing clean, maintainable solutions with strong OOP, SOLID principles, and reliable API/backend implementations. I also bring solid front-end experience with Angular and React, working across UI requirements and sprints from implementation to testing. I’m comfortable collaborating with international clients, troubleshooting production issues, and continuously learning new technologies to deliver features that meet real business needs.…I’m a software engineer with 6+ years of experience building enterprise-grade web applications using C# and the .NET ecosystem, including ASP.NET Web API, MVC, Entity Framework, and SQL Server. I enjoy designing clean, maintainable solutions with strong OOP, SOLID principles, and reliable API/backend implementations. I also bring solid front-end experience with Angular and React, working across UI requirements and sprints from implementation to testing. I’m comfortable collaborating with international clients, troubleshooting production issues, and continuously learning new technologies to deliver features that meet real business needs.

Available to hire

I’m a software engineer with 6+ years of experience building enterprise-grade web applications using C# and the .NET ecosystem, including ASP.NET Web API, MVC, Entity Framework, and SQL Server. I enjoy designing clean, maintainable solutions with strong OOP, SOLID principles, and reliable API/backend implementations.

I also bring solid front-end experience with Angular and React, working across UI requirements and sprints from implementation to testing. I’m comfortable collaborating with international clients, troubleshooting production issues, and continuously learning new technologies to deliver features that meet real business needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Software Engineer at Authnex Technologies (Private) Limited

April 1, 2025 - Present

ATM software development; designed and implemented UI with React for HSBC Hong Kong project and K3A with Voice Guidance; focus on supporting ATM applications across regions.

Software Engineer at Authnex Technologies (Private) Limited

May 1, 2023 - Present

Worked on ATM and related projects for HSBC Hong Kong and the K3A with Voice Guidance initiative. Supported ATM applications across different regions by implementing UI changes for new requirements using React.js and collaborating via partners (KAL Software Company) through Authnex. Delivered features within a .NET and React environment, focusing on maintainability and meeting sprint requirements.

Software Engineer at AMDT (PVT) LTD

May 1, 2023 - March 31, 2025

LMS project for Sri Lankan client; backend API design and implementation in sprints; implementing new requirements; frontend work with Angular.

Software Engineer at CYCLOMAX SOFTWARE SOLUTIONS

July 1, 2021 - May 31, 2023

Web application development; backend API design and implementation; UI design and implementation; accommodating new requirements for library management system.

Software Engineer at REDBERYLIT (PVT) LTD

March 1, 2021 - June 30, 2021

PAYMATE project for HR & Payroll Management System; backend API design; implementing new requirements.

Software Engineer at CROSSPOINT BUSINESS SOLUTIONS (PVT) LTD

January 1, 2018 - March 31, 2021

RFID Asset Tracking System for Unilever; Azure-based hosting for database and web; requirement analysis, development, testing, deployments, and upgrades; troubleshooting.

Trainee Software Engineer at SAYANU INFORMATION TECHNOLOGIES (PVT) LTD

June 1, 2016 - September 30, 2016

Student Management System: requirements analysis, development and testing.