Hi, I'm Sajjad Seifi Lor

TECOFF Digital is a web-based platform that enables cafes, restaurants, online shops, and small businesses to quickly create digital menus and catalog pages. The platform supports multiple structured content types, including catalogs, categories, and items. These contents can be rendered through pre-designed templates, allowing businesses to instantly generate customizable digital pages based on their brand identity, visual style, and design preferences. The system includes both a backend management panel for content administration and a modern frontend interface for presenting digital menus to end users.

Developed a full-time internal management system during military service to handle the complete lifecycle of soldiers within the service unit. The system was designed to manage soldiers from initial admission to final discharge across the full service period. It included structured records, administrative workflows, service status tracking, document handling, official letters, forms, leave and service adjustments, extra service records, reductions, and final discharge-related processes. The platform helped organize and automate many manual administrative tasks, improved access to soldier information, and enabled more structured management of service-related data.

Developed an internal admission system for managing the entry and registration process of training soldiers. The system was designed to support soldier admission workflows, collect and organize personal and service-related information, generate statistical summaries, and provide diverse reports for administrative and operational use. It helped streamline the admission process, reduce manual paperwork, improve data accuracy, and provide better visibility into incoming training personnel through structured reporting and analytics.

A personal portfolio website designed and developed to showcase projects, professional experience, education, technical skills, and contact information. The website includes dynamic sections for projects, work experience, education, skills, technologies, and collaboration inquiries. It was built with a clean backend structure and a responsive frontend interface focused on clarity, accessibility, and professional presentation.

Designed and implemented a compiler and interpreter for a custom programming language called TesLang. The compiler supports both compilation and interpretation modes and was built with a strong focus on language processing concepts, parsing techniques, data structures, and low-level execution logic. The project involved designing the language syntax, processing source code, building internal representations, and generating executable instructions based on computer architecture principles.

Forumor is a community platform designed for developers to ask questions, share knowledge, and participate in programming-related discussions. The system includes topic management, user discussions, community interactions, and modern frontend interfaces. It was designed with a focus on creating a structured environment for technical conversations and developer collaboration.

A frontend project focused on recreating the Windows 7 desktop interface using HTML, CSS, and JavaScript. The project simulates desktop-like components in the browser, including visual layouts, UI interactions, and operating-system-inspired interface elements. It was built to improve frontend implementation skills, DOM manipulation, and attention to visual details.