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sewwandi kariyapperumaSK
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sewwandi kariyapperuma

@sewwandikariyapperum

Software Engineer at Medical Wizard, contributing to MedNext Clinical and MedNext eReception healthcare applications.

Sri Lanka
Message

At Medical Wizard, I contributed to MedNext Clinical and MedNext eReception, healthcare applications supporting clinical, document management, appointment, billing, patient administration, and reception workflows. I developed and maintained full-stack features using C#, .NET Core, Go, React.js, and Tailwind CSS.

I worked across the software development lifecycle, including requirements analysis, development, testing, debugging, deployment, and maintenance. I also implemented and maintained .NET executable services supporting application workflows and backend processing.

At Derana Macroentertainment, I developed responsive UI components and refactored Nest.js backend APIs, reducing average response time by 35%. I deployed and monitored production builds using Vercel, Firebase, and Netlify.

My projects include a real-time scam email detector using GPT-4 via RapidAPI and Sri Potha, a voice-based Sinhala document maker whose research findings were published at an IEEE conference. I also developed features for Impacnet, a social platform with a real-time feed and Firebase authentication.

Experience

Work history, roles, and key accomplishments

MW

Software Engineer

Medical Wizard

Oct 2025 - Oct 2026 (1 year)

Developed and maintained full-stack healthcare applications using C#, .NET Core, Go, React.js, and Tailwind CSS. Contributed to MedNext Clinical and MedNext eReception, supporting clinical, document management, appointments, billing, patient administration, and reception workflows.

DM

Associate Software Engineer

Derana Macroentertainment

Mar 2023 - Jul 2025 (2 years 4 months)

Developed and maintained responsive UI components using Next.js, Tailwind CSS, and shadcn/ui. Refactored backend APIs in Nest.js, reducing average response time by 35%.

VO

Full Stack Developer - Intern

Voxitec

Jan 2022 - Jun 2022 (5 months)

Developed full-stack features with React.js and Node.js. Integrated MongoDB, followed Git workflows, and improved code quality.

Education

Degrees, certifications, and relevant coursework

Sri Lanka Institute of Information Technology (SLIIT) logoSS

Sri Lanka Institute of Information Technology (SLIIT)

BSc (Hons), Information Technology

2020 - 2024

Pursued a BSc (Hons) in Information Technology, specializing in Software Engineering.

AW

AWS

AWS training and certification, Cloud Computing

Completed AWS training and certification.

LL

LinkedIn Learning

Introduction to Prompt Engineering for Generative AI, Artificial Intelligence

Completed an introduction to prompt engineering for generative AI.

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