Alexandru-Sergiu Marton

Full Stack Developer

Bucharest, Romania

About

Jack of all trades. Got into programming in high school thanks to game development. Since then I've been paid to do web dev, mobile, blockchain and others. <<<<<<< HEAD I get my dopamine from ======= from solving merge conflicts >>>>>>> 44ef984 (1)

Experience

  • Software Development Engineer II at Criteo
    Jul 2026 - Present · 1 mo

  • Full Stack Developer at Webby-Soft
    Jun 2025 - Jul 2026 · 1 yr 2 mos

    - Improving data entry and validation processes for an accounting company using .NET. - Implementing a cross-exchange crypto arbitrage bot using .NET. - Developed trend-following investing strategies in Python, such as the ones described by Gary Antonacci in Dual Momentum Investing and A Century of Profitable Industry Trends.

  • Software Developer at Magisat.io
    Aug 2023 - Jan 2026 · 2 yrs 6 mos

    - Worked on a Bitcoin marketplace for ordinals, runes and rare sats using Next.js, Postgres and Rust. - Managed AWS infrastructure, from EC2 and Lambdas to Amplify and WAF.

  • Software Developer at Webby-Soft
    Jul 2024 - Jan 2025 · 7 mos

    Full stack development and maintenance for various projects including Bitcoin-related platforms.

  • Software Developer at MBN-Tech
    Jul 2021 - Jul 2024 · 3 yrs 1 mo

    - Developed data aggregation platform with Node.js and MySQL, processing millions of updates daily. - Added features to and refactored Android & iOS (UIKit) apps. - Improved and developed new features for web & mobile app with PHP (Symfony) & MySQL on the backend and Angular (with nativescript for mobile). - Wrote vesting smart contracts on the Ethereum blockchain.