Martin

I am a professional fullstack web developer based in Poland, Bydgoszcz, with over three years of experience crafting high-performance web applications using modern tools and technologies.

Specialized in writing clean, maintainable code with a keen eye for details, ensuring seamless and efficient user experiences that meet both technical and business goals.

Let's connect

martiinii LinkedIn profile [email protected]

Experience

AI & Automation Specialist, Beta Point

Apr 2026 – Present

Fullstack developer, Haergi

Apr 2024 – Mar 2026

Developed LeadMe, an event-driven CRM, integrated orders and products with Fakturownia, Twilio for SMS notifications and SMTP/IMAP for sending and reading email messages. Refactored the frontend into a sustainable and maintainable code, as well as UI component library. Built a custom queue system that powers automations.

Fullstack developer, Green Wedge

Oct 2023 – Jan 2024

Led development of a sustainability app offering tree-planting subscriptions with real-time metrics on trees planted, CO₂ captured and individual offset percentages. Integrated the Imoje (ING) payment gateway, delivered an admin dashboard with full customization (plans, pricing, currencies, etc.), and supported migration to a VPS.

Selected projects

Local SQL

Local SQL is a web-based, local-first modern database browser. Your connection details stay on your machine - no data ever leaves your computer. Visit localsql.dev to add a connection and start browsing your tables.

UltraStar

Automatically fetches lyrics, YouTube videos, and metadata for 25,000+ songs, so your next party can skip the setup and dive straight into the off-key magic. Built to handle everything behind the scenes, it's the tool that turned my friends' and my weekends into full-blown karaoke parties.