SASMITHX

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Sasmith Manawadu

IT Executive Engineer | DevOps Engineer

I design, build, and automate resilient full-stack systems from the ground up. Combining robust IT infrastructure management with modern DevOps practices, I focus on optimizing developer experience, streamlining CI/CD pipelines, and architecting scalable cloud solutions. Always learning, always optimizing.

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About

Engineering high-availability systems with a focus on automation and scale.

I'm Sasmith Manawadu, an IT Executive Engineer and DevOps Engineer dedicated to building, securing, and scaling modern infrastructure. I specialize in designing distributed systems and implementing DevOps-driven workflows that transform how teams deploy and manage enterprise software.

With a strong foundation in full-stack and backend development (Java/Spring Boot, TypeScript/NestJS, Next.js), my core focus centers on the operational lifecycle—leveraging containerization, continuous integration, and cloud-native tools to eliminate deployment bottlenecks and ensure peak infrastructure health.

I thrive on solving complex technical challenges, continuously upskilling in next-gen DevOps practices, and collaborating to ship resilient, production-ready features.

At a Glance

DevOps

Orchestrating containerized systems and continuous deployment pipelines.

Innovator

Pushing boundaries with creative solutions.

Learner

Continuously expanding knowledge.

Experience

Roles & contributions

May 2026 – Present

IT Executive Engineer

SITREK SECURE LOGISTICS (PVT) LTD

Hybrid

Managing and scaling the core technological infrastructure at SITREK Group to ensure enterprise continuity, security, and operational efficiency. I design high-availability cloud environments and secure network architectures, implementing robust firewall configurations to safeguard critical assets against evolving threats. Additionally, I oversee hardware lifecycle management to achieve zero operational downtime while administering and customizing the Odoo ERP ecosystem to optimize cross-departmental workflows.

Cloud InfrastructureNetwork SecurityFirewall ConfigurationHardware ManagementOdoo ERPSystems EngineeringAutomation Engineering

December 2025 – May 2026

Associate Software Engineer

INTELLEON

Hybrid

Developing full-stack, high-performance applications powered by modern frameworks and best practices. I work across frontend and backend layers to create fast UIs, optimized APIs, and maintainable system architectures. My responsibilities include improving application performance, integrating new technologies, and ensuring consistent development standards.

Next.jsNest.jsReactExpress.jsSpringBootCI/CD

June 2025 – December 2025

Software Engineer Intern

INTELLEON

Hybrid

Implemented features, fixed bugs, and enhanced UI and backend performance across full-stack applications.

ReactExpress.jsSpringBootTypeScriptFigma

Skills

Technologies I work with

Programming Languages

  • JavaIntermediate
  • TypeScriptIntermediate
  • JavaScriptIntermediate
  • PythonAdvanced
  • GoIntermediate
  • Bash ScriptIntermediate
  • RustAdvanced

Backend

  • Jakarta EEAdvanced
  • SpringIntermediate
  • Spring BootIntermediate
  • Node.jsIntermediate
  • Express.jsIntermediate
  • Nest.jsIntermediate
  • FlaskAdvanced
  • ASP.NET CoreBeginner
  • RESTful APIsIntermediate
  • MicroservicesIntermediate

Frontend

  • ReactAdvanced
  • Next.jsAdvanced
  • ElectronAdvanced
  • Tailwind CSSIntermediate
  • MUIAdvanced
  • DaisyUIAdvanced
  • BootstrapIntermediate

Mobile Development

  • React NativeAdvanced
  • ExpoAdvanced
  • FlutterBeginner

Database Management & ORM

  • MySQLIntermediate
  • PostgreSQLIntermediate
  • MongoDBIntermediate
  • PrismaIntermediate
  • HibernateIntermediate

Version Control

  • GitIntermediate
  • GitHubIntermediate
  • GitLabIntermediate

DevOps & Containerization

  • DockerIntermediate
  • CI/CD (GitHub Actions)Advanced
  • AWSAdvanced
  • AzureAdvanced
  • GCPAdvanced
  • VercelAdvanced

Operating Systems

  • WindowsIntermediate
  • LinuxIntermediate

Education

Background & learning

  1. 2025 – 2026

    University Of Greater Manchester, United Kingdom

    BSc (Hons) in Computer Science

    Studied advanced computer science modules including Emerging Technologies, Applied Machine Learning, Research & Professional Issues. Developed practical skills in modern software engineering, data-driven development, and technical research applied to real-world problem domains.

  2. 2023 – 2025

    IJSE(Institute Of Software Engineering)

    Software Engineering Higher Diploma

    A comprehensive software engineering program covering the full SDLC. Gained advanced proficiency in Object-Oriented Programming, Design Patterns, and Software Architecture. The curriculum bridged core development with modern technologies, including Advanced API Development, Mobile Application Development, and Python for Data Science & AI.

Selected Work

Projects

WEB

Developer Portfolio Platform

A modern portfolio platform for developers with dynamic content, theming, and analytics.

Tech Stack:

Next.jsTypeScriptTailwind CSSFramer Motion

Dec 2025 - Present

Live

WEB

Next Blog

NextBlog is a high-performance, SEO-optimized blogging platform built with Next.js, offering dynamic routing, Markdown support, and a seamless content management experience.

Tech Stack:

Next.jsTypeScriptTailwind CSSVercel

Mar 2025

LiveGitHub

WEB

VanguardVote

VanguardVote is a modern polling and voting platform that provides users with an intuitive and secure way to participate in elections, surveys, and opinion polls. This frontend application ensures a responsive and seamless user experience.

Tech Stack:

ReactTailwind CSSAxios

Feb 2025

GitHub

WEB

Explorify

Explorify is a modern, feature-rich travel blogging platform designed for immersive experiences, robust performance, and ease of use.

Tech Stack:

ReactReduxMongoDBJWTTailwind CSSAxios

Feb 2025

GitHub

WEB

Apex

Apex Manager is a user-friendly web app for manage data. It enables efficient handling of entities like customers and items, offering a seamless and responsive experience for quick data management.

Tech Stack:

ReactTypeScriptTailwind CSS

Jan 2025

GitHub

WEB

React Task Manager

A simple, interactive task tracker built with React that lets users manage their daily goals by adding, removing, and checking off tasks.

Tech Stack:

React

Aug 2024

GitHub

API

Green Shadow

This is a Spring Boot-based system. It provides RESTful APIs for managing crop , equipment , field , staff , user , vehicle , monitoring log and transactions. The project uses Spring Boot, JPA, Hibernate,Spring Security, and MySQL for database connectivity.

Tech Stack:

SpringBootMySQLJWT

Nov 2025 - Dec 2025

GitHub

API

Velora

This backend service powers an advanced news fetching and interactive user participation.

Tech Stack:

Node.jsExpressTypeScriptJWTNews API

Jul 2025

GitHub

API

NestJS-KIT

A robust, production-ready REST API built with NestJS, featuring user authentication, product management, role-based access control, and advanced caching mechanisms.

Tech Stack:

NestJSTypeScriptMySQLPrismaJWT

Aug 2025 - Sep 2025

GitHub

API

FlaskDataMateX

FlaskDataMateX is a Python Flask-based web application designed to manage customers, items, and transactions. This project provides RESTful endpoints for performing CRUD operations on customers, items, and transactions.

Tech Stack:

PythonFlaskMySQL

2023

GitHub

API

VanguardVote

This backend service powers an advanced voting and polling system, ensuring secure, efficient, and interactive user participation.

Tech Stack:

Express.jsMongoDBJWT

Feb 2025

GitHub

MOBILE

Velora News Mobile App

VELORA is a sleek, cross-platform news app built with React Native and Expo that delivers a unified experience across iOS, Android, and Web. Featuring secure JWT authentication and a modern dark UI, it allows users to effortlessly discover, filter, and bookmark global news articles for a seamless reading experience.

Tech Stack:

React NativeExpoTypeScriptReduxAxios

Jul 2025 - Sep 2025

GitHub

DESKTOP

Desktop Project Manager

An Electron-based desktop application for organizing projects, tasks, and notes with offline-first support.

Tech Stack:

ElectronReactTypeScriptSQLite

Nov 2025

GitHub

DESKTOP

Fruity Fizz Juice Bar Management System

Inventory management system digitizing juice bar business operations with supply chain tracking and sales analytics capabilities.

Tech Stack:

JavaJavaFXMySQLCSS

Nov 2023 - Dec 2023

GitHub

DESKTOP

BookWorm Library Management System

Library management system with CRUD operations using Hibernate ORM, role-based access control, and real-time inventory tracking.

Tech Stack:

JavaJavaFXMySQLCSS

Mar 2024

GitHub

DESKTOP

PlayTech Live Chat

Real-time chat application implementing multi-threaded client-server architecture with socket programming for low-latency communication.

Tech Stack:

JavaSockets

Jan 2024 - Feb 2024

GitHub

DESKTOP

The Connect Four Game

Modern implementation of classic strategy game featuring responsive UI/UX and win-condition algorithms with minimax optimization.

Tech Stack:

JavaJavaFXMCTS Algorithm

Oct 2023

GitHub

COLLABORATIVE

Zenith Medical AI

Advanced ML pipeline for medical case classification & clustering using TF-IDF + Logistic Regression. Features 13+ medical specialties, comprehensive EDA, t-SNE visualizations, and production-ready deployment.

Tech Stack:

Machine LearningPythonLogistic RegressionUnsupervised LearningGCP

Sep 2025 - Oct 2025

GitHub

COLLABORATIVE

Project SoftWater (Softcare Technologies)

SoftWater is a full-stack water billing management system developed for Softcare Technologies to automate utility operations. It streamlines the entire billing cycle by managing customer data, tracking water consumption, generating accurate invoices, and recording payments, replacing manual workflows with an efficient digital solution.

Tech Stack:

SpringBootMySQLMicroservices

Aug 2025 - Sep 2025

GitHub

COLLABORATIVE

SE10 Social Network

Academic collaboration platform implementing real-time messaging, achievement sharing, and community engagement features.

Tech Stack:

SpringBootMySQLJavaScriptAxios

Aug 2024 - Nov 2024

GitHub

What I Do

Services & Capabilities

Enterprise Applications

Build scalable, secure enterprise software tailored to streamline business operations.

Web Development

Build responsive web apps and websites for seamless user experiences across all devices.

Mobile App Development

Create intuitive iOS and Android apps with top performance, usability, and on-the-go connectivity.

Desktop Applications

Develop powerful desktop apps with native experiences for Windows, macOS, and Linux.

API Integration

Integrate and orchestrate APIs to connect services, automate workflows, and share data reliably.

UI/UX Design

Craft clean, modern interfaces focused on usability, accessibility, and delightful user journeys.

E-Commerce Platforms

Build secure, high-performing e-commerce solutions optimized for conversions and smooth checkout.

SaaS Applications

Design and develop multi-tenant SaaS products with scalable architectures and subscription workflows.

Contact

Let's talk about your next project.

Whether you're exploring ideas, improving an existing product, or just want to connect, feel free to reach out. I'll get back to you as soon as possible.

888sasmithmanawadu@gmail.comGitHubLinkedIn

© 2026 Sasmith Manawadu. All rights reserved.