Marcel de Haan

Data Engineer

Mijdrecht, Utrecht, Netherlands

About

Experience

  • Data Engineer at One Trading
    May 2024 - Present · 2 yrs 3 mos

  • Quantitative Developer at Self-employed
    Jul 2019 - Apr 2024 · 4 yrs 10 mos

    Developed an autonomous intraday trading system that utilises deep supervised learning for price movement prediction and deep reinforcement learning for trading policy execution. Notably, the system takes tick data as input.

  • Backend Developer at Felix Works
    Apr 2022 - Jan 2023 · 10 mos

    • Implemented multiple new features in collaboration with the Front-End team, enhancing the alignment of clients' staffing needs with hospitality staffing agencies. • Transitioned several sections of the backend infrastructure from PostgreSQL to a Rust Delta-Caching Database. • Improved backend maintainability and reliability through a series of refactors and an extension of test coverage.

  • LookML Developer at Drukwerkdeal.nl
    Mar 2021 - Jun 2021 · 4 mos

    Led the overhaul of Drukwerkdeal's Looker Environment, focusing on optimising performance, improving modularity, and implementing consistent and user-friendly naming conventions.

  • Machine Learning Engineer at Incentro
    Nov 2017 - Jun 2019 · 1 yr 8 mos

    In-house consultant, certified as Google Cloud Professional Data Engineer (2018), serving a diverse range of clients.