Maciej – Typescript, React, Node.js

A platform designed to streamline the creation of government documents by leveraging large language models (LLMs). It significantly accelerates the process from project initiation to on-the-ground implementation, reducing timelines by half through intelligent automation and document generation workflows.

• Led the project from the creation of the initial proof of concept to an MVP deployed and used in production by government agencies;
• Created a multi-purpose, template-based form generator and document exporter;
• Implemented project management features for forestry specialists, including Gantt charts;
• Used AI to parse document scans and convert them into usable document templates;
• Created a document and template editor with support for PDF exporting;
• Coordinated three separate teams working on different parts of the project - around 15 people in total.

A white-label live video shopping platform designed to integrate seamlessly with existing e-commerce solutions. It enhances user engagement and drives sales by combining real-time video streaming with an interactive shopping experience.

• Сo-designed a microservice-based architecture for live video processing;
• Implemented an embeddable live video player with integrated text chat and a product list featuring one-click purchasing;
• Вeveloped the backoffice frontend for managing live streams and the product catalogue;
• Deployed a Flutter-based mobile app for broadcasting video via smartphone camera.

An e-commerce platform focused on sustainable fashion by giving clothing a second life. It connected individuals looking to clear out their wardrobes with potential buyers, making it easy to resell pre-loved items and promote circular consumption. The platform aimed to reduce textile waste and encourage more mindful shopping habits.

• Rebuilt and adapted the web frontend based on an existing mobile application to ensure a consistent cross-platform user experience;
• Designed and implemented a high-performance product search engine using ElasticSearch, achieving sub-100ms query response times;
• Enhanced the website with responsive mobile support, significantly improving accessibility and usability across devices.

A network of self-service physical grocery stores that leveraged RFID technology to enable fully automated checkout experiences. Customers could independently scan and pay for items using advanced kiosks equipped with RFID readers and touchscreen interfaces, streamlining the in-store shopping process and minimizing wait times.

• Implemented a fluid and performant touchscreen-native checkout experience in Svelte;
• Created a backend Node.js orchestrator for processing shop events;
• Designed APIs for communication between the shop infrastructure and the inventory management system;
• Used Odoo CMS to implement CRM, inventory, and scheduling systems for shop managers.