I'm always excited to take on new projects and collaborate with innovative minds.

Phone Number

+880 1625 236569

Address

Dhaka,Bangladesh

Social

zelio
zelio
<span>

Hey, I’m Siam

</span>
Currently at UAPPFounder @ StackLeo

{Senior}Software Engineer_

<p>Full Stack Developer with hands-on experience in React.js, Next.js, NestJS, and TypeScript. Building scalable web applications and robust backend systems across microservices and monolithic architectures.</p>

...and more
[ Download my CV ]
zeliozelio

+

Year Experience

+

Projects Delivered

Companies Worked

+

Technologies

Expericence

+3years of passionfor
programming techniques

Senior Software Engineer — UAPP
  • Design and implement user interfaces for Student, Consultant, Companion, and System Admin modules using React.js, Next.js, and TypeScript.
  • Utilize Zustand and Context API for efficient state management, and Radix UI with Tailwind CSS for custom component interactions.
  • Integrate APIs for real-time student management and consultation data; collaborate with cross-functional teams to ensure smooth frontend-backend performance.
  • At Akij Food & Beverage: built backend systems with NestJS & TypeScript, managed MySQL databases with TypeORM, and implemented role-based access control.
React.jsNext.jsTypeScriptNestJSZustandTailwindTypeORMMySQL
zelio

My Recent Works

Lenden – Point-of-Sale & Inventory Management System

Lenden – Point-of-Sale & Inventory Management System

Built as part of my own company StackLeo — a full-featured POS and inventory management web application for retail businesses. Covers purchase management with multi-payment and installment support, sales processing, purchase returns, expense tracking, and supplier/customer management. Includes a product catalog with serial number and warranty tracking, real-time stock monitoring, and a dashboard for business analytics.

  • Project Info
  • Client

    StackLeo (Own Company)

  • Completion Time

    Ongoing

  • Technologies

    React 19TypeScriptViteTailwind CSS v4shadcn/uiReact Hook FormZodAxiosReact RouterRedux ToolkitNestJS
Sales & Order Management Dashboard – Fair Value Ltd

Sales & Order Management Dashboard – Fair Value Ltd

Developed a responsive admin dashboard for monitoring sales performance, order processing, and customer activity. Implemented real-time data visualization including total sales, monthly trends, order summaries, and hub-wise analytics. Focused on clean UX/UI, role-based navigation, and scalable component structure using modern front-end technologies.

  • Project Info
  • Client

    Akij food and Beverage Ltd

  • Completion Time

    4 months

  • Technologies

    NextjsNode.jsMongodbSanity
Bankist Management – Minimalist Banking User Experience

Bankist Management – Minimalist Banking User Experience

Bankist Management is a sleek and fully digital banking platform designed to simplify personal finance. It features a secure login system, real-time account overview, seamless money transfers, and loan request functionality. The intuitive interface is responsive and optimized for all devices, delivering a consistent user experience. Built with modern front-end practices, this project highlights clean UI/UX design and efficient JavaScript logic.

  • Project Info
  • Client

    Personal Project

  • Completion Time

    1 month

  • Technologies

    HTMLCSSVanilla Javascript
Screenshot coming soon

Frevent – Event Discovery Platform

A modern event discovery and management web application built with Next.js. Browse, explore, and manage events with a clean and responsive interface.

  • Project Info
  • Client

    Personal Project

  • Completion Time

    1 month

  • Technologies

    Next.jsJavaScriptCSS
University Application Management System – UAPP

University Application Management System – UAPP

Built an intuitive dashboard for managing university applications, student data, and consultant workflows. Enabled tracking of application statuses, document reviews, and consultant activity with clear visual insights. Integrated filters for intake periods and streamlined user roles like admin, consultant, and admission manager to optimize the application pipeline.

  • Project Info
  • Client

    UAPP - (Bluebay IT Ltd.)

  • Completion Time

    Running...

  • Technologies

    ReactBootstrapAntdReactstrapASP.net
Trevelle — Explore Beyond

Trevelle — Explore Beyond

Trevelle is a modern travel booking platform offering curated tours to exciting destinations worldwide. With services like hotel booking, travel planning, and safety guidance, it simplifies your journey from dream to reality. Flexible pricing plans and a clean, intuitive design make it perfect for travelers seeking adventure and comfort.

  • Project Info
  • Client

    Personal Project

  • Completion Time

    1 month

  • Technologies

    HTMLCSSJavascript
Trillo Hotel Booking

Trillo Hotel Booking

It features a clean and responsive layout built with HTML and CSS, showcasing a fictional hotel named Hotel Las Palmas located in Albufeira, Portugal. The site includes sections for hotel details, user reviews, and booking availability. Navigation options for Hotels, Flights, Car Rentals, and Tours are present, suggesting a comprehensive travel booking platform. Overall, the project serves as a design prototype or UI concept for a hotel booking application.

  • Project Info
  • Client

    Personal Project

  • Completion Time

    15 days

  • Technologies

    HTMLCSSSCSS
Screenshot coming soon

Store Sales – Point of Sale (POS) System

Developed a comprehensive backend system for a multi-branch POS platform. Manages organization, store, branch, and point-of-sale modules with advanced analytics dashboards to monitor sales performance and operational metrics across locations. Designed secure APIs for real-time data synchronization ensuring accurate reporting.

  • Project Info
  • Client

    Akij Food and Beverage Ltd

  • Completion Time

    Ongoing

  • Technologies

    NestJSTypeScriptMySQLTypeORMREST API
Screenshot coming soon

Content Management System (CMS)

Built a full-stack CMS covering both frontend and backend. Developed dynamic content management features and multi-user interaction APIs. Used React Hook Form and Zod for robust form validation on the frontend, and NestJS with MySQL on the backend for scalable data handling.

  • Project Info
  • Client

    Akij Food and Beverage Ltd

  • Completion Time

    Ongoing

  • Technologies

    Next.jsNestJSTypeScriptMySQLZustandRadix UIReact Hook FormZod
Vendzo – Multi-Tenant Business Management & POS System

Vendzo – Multi-Tenant Business Management & POS System

Built as part of my own company StackLeo — a scalable multi-tenant REST API backend for a full-featured business management platform. Covers purchase management with multi-payment and installment support, sales processing, purchase & sales returns, expense tracking, and supplier/customer management. Includes real-time stock monitoring, profit/loss reporting, investment and withdrawal tracking, and role-based access control with granular permission codes. Activity logging with auto-redaction built in globally.

  • Project Info
  • Client

    StackLeo (Own Company)

  • Completion Time

    Ongoing

  • Technologies

    NestJSTypeScriptTypeORMMySQLJWTPassportclass-validatorPuppeteerSwaggerDocker
zelio
Projects

My Skills

  • Languages:

    JavaScript, TypeScript, Go, Dart, C, C++, Python
  • Web Technologies:

    HTML, CSS, SCSS, Bootstrap, Antd, Tailwind, Shadcn
  • Frontend:

    React.js, Next.js, Zustand, Redux, Authjs, Zod, YUP, Radix UI, React Native (Basic)
  • Back-End:

    Node.js, Express.js, NestJS, TypeORM, Sequelize, Jest, Joi
  • Databases:

    MySQL, PostgreSQL, MongoDB
  • Tools & Infra:

    GitHub, npm, Figma, Docker, Azure, Nginx
  • Architecture:

    RESTful API, Microservices, Monolithic, API Gateway, Load Balancing
Cooperation

Designing solutionscustomized
to meet your requirements

Web & App Development

Crafting visually appealing and user-friendly interfaces using HTML, CSS, JavaScript, and modern frameworks like React and Nextjs.

Database Management

Designing and managing databases with SQL and NoSQL technologies such as MySQL, PostgreSQL, and MongoDB.

API Development

Creating and integrating RESTful APIs using Nodejs,Expressjs,Nestjs to enable smooth communication between front-end and back-end systems.

Performance Optimization

Improving the speed and performance of web applications to provide a better user experience. Work with Nodejs, Express

E-commerce Solutions

Developing scalable and secure payment solutions for e-commerce platforms tailored to your business needs.

Integrating AI

Boost your applications with AI for improved efficiency, automation, and enhanced user experience

Excited to take on new projects and collaborate.
Let's chat about your ideas. Reach out!

zelio

Education

  • 2018-2023:

    Hajee Mohammed Danesh Science And Technology University

    Bachelor’s Degree in Electronics and Communication Engineering

  • 2014-2016:

    Milestone College

    Higher Secondary Certificate

  • 2009-2014:

    Kasba Govt High School

    Secondary School Certificate

Researched

  • 2022-2023:

    Optimising Deep Learning Architectures for Insomnia Detection

    Utilized big data tools for advanced analytics and insights.

  • 2021-2023:

    Investigate single-lead ECG length and scale for pre-screening Insomnia using deep learning

    Sleep Stage Classification insomnia sleep disorder people

  • 2019-2020:

    Microsoft Malware Detection Using Classical Machine Learning Algorithm Comparison

    Learning base project using AI, Machine Learning and Deep Learning

Let's connect

Phone Number
+880 1625 236569
Address
Dhaka, Bangladesh