Lessandro Mariano

Senior Software Engineer

Amsterdam, North Holland, Netherlands

About

Experience

  • Quantitative Technologist at Radix Trading LLC
    Oct 2025 - Present · 9 mos

  • Career Break at null
    Apr 2025 - Sep 2025 · 6 mos

    Enjoying IMC's non-compete period this summer before starting my next role in October 2025.

  • Software Engineer at IMC Trading
    Sep 2023 - Mar 2025 · 1 yr 7 mos

  • Senior Software Engineer, Site Reliability Engineering at Google
    Nov 2021 - Aug 2023 · 1 yr 10 mos

    SRE for Gerrit, Git, and other internal source control tooling at Google, leading large scale migrations and engagements with Dev teams.

  • Signify (5 yrs 5 mos)
    • Lead Software Engineer
      Oct 2020 - Oct 2021 · 1 yr 1 mo

      Tech lead of the infrastructure and build systems team at Philips Hue. I oversaw the architecture and roadmap of the build infrastructure of the Hue Bridge, with emphasis on DevSecOps and developer productivity. I introduced and led the delivery of the adoption of the Bazel build system, and the transition of their repository structure to a monorepo, reducing build and test time by 98%.

    • Senior Software Engineer
      Jun 2016 - Oct 2020 · 4 yrs 5 mos

      As an end-to-end, full stack engineer at Philips Hue, I designed and delivered features to millions of users, spanning the low level networking stack, the Linux-based operating system and automation engine in the Hue bridge, and the mobile apps. As a local expert, I was often brought in to solve hard-to-debug problems and served as a security champion at Hue. Stack: Bazel, C++, Python, Docker, Jenkins, C#, Android, Shell script, Linux, OpenWRT, MIPS, Zigbee.