Luka – Typescript, React, Node.js

It's an LLM-based math tutoring platform intended for students, schools, and teachers as a supplementary learning tool and for parents looking for affordable, personalized tutoring for their children.

• Developed and maintained a Next.js/TypeScript front-end.
• Built real-time tutoring sessions, chat, topic selection, and session navigation using Pusher.
• Implemented interactive math exercises with MathJax, MathLive, Desmos, and image uploads.
• Delivered responsive mobile and desktop interfaces with German and English localization.
• Improved reliability and performance through automated tests, lazy loading, event recovery, and Sentry monitoring.
• Developed an admin application for managing educational content.

It's a cryptocurrency OTC (over-the-counter) trading platform that connects trading parties directly and settles transactions on the blockchain.

• Bootstrapped and developed the front-end application.
• Implemented wallet connectivity and blockchain interactions using Wagmi, Viem, and RainbowKit.
• Developed complex trading workflows and responsive user interfaces.
• Integrated smart contract interactions for on-chain transaction settlement.
• Implemented token discovery, search, and trading functionality.
• Debugged and resolved application issues.

It's a cryptocurrency community platform that provides users with blockchain-related information, community features, and wallet-based authentication.

• Bootstrapped and developed both front-end and back-end application components.
• Integrated the product with Telegram using the Telegram Mini Apps SDK.
• Implemented wallet connectivity and Sign-In with Ethereum for secure user authentication.
• Integrated blockchain functionality using Wagmi, Viem, and RainbowKit.
• Developed responsive user interfaces and reusable frontend components.
• Debugged and resolved issues across both backend and frontend systems.

It's an ERP system for marketing agencies and software development companies. The platform streamlines business operations through dashboards, reporting, data filtering, and interactive data visualizations.

• Implemented responsive front-end features based on design specifications.
• Developed dashboards, complex UI components, and data visualizations.
• Implemented advanced filtering and reporting functionality.
• Debugged and resolved application issues.

It's an AI-powered assistant that streamlines business workflows through conversational interactions, automated content generation, and integrations with third-party services.

• Bootstrapped and maintained the project.
• Implemented front-end features and responsive email templates.
• Designed and maintained PostgreSQL databases.
• Developed backend services using Node.js and tRPC.
• Integrated third-party services, including Google Drive and OpenAI APIs.

It's a customer- and administration-facing platform for a US company in the tax and finance sector, enabling users to manage business processes through a modern web interface

• Bootstrapped and maintained the project.
• Implemented responsive front-end features based on design specifications.
• Developed responsive email templates.
• Debugged and resolved application issues.

It's an administration platform for a company in the energy sector, supporting internal business operations through a web-based management interface

• Maintained the project.
• Implemented responsive front-end features based on design specifications.
• Developed responsive email templates.
• Debugged and resolved application issues.

It's an IPTV platform for set-top boxes (STBs) that delivers live TV and video-on-demand streaming.

• Participated in a ground-up refactor of the IPTV application, improving performance and maintainability.
• Developed new front-end features for set-top box applications using QML, Qt Quick, and TypeScript.
• Implemented and maintained video playback and user interface functionality.
• Debugged and resolved application issues across multiple STB platforms.
• Collaborated with multiple teams and clients to plan, coordinate, and deliver project requirements.

It's an in-house market research analytics platform designed to automate data analysis and enable large-scale processing.

• Participated in client meetings to gather and define project requirements.
• Implemented the full front-end and back-end of the application.
• Implemented and optimized the client’s algorithm to support large-scale data processing.
• Debugged and resolved application issues after release.

It's an online marketplace for discovering and booking venues for meetings, corporate events, and private functions across Australia.

• Implemented and maintained front-end functionality.
• Developed the HubSpot integration.
• Debugged and resolved application issues.