Leandro Matayoshi

Experience

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  Manas Technology Solutions

  Jan 2013 - Jan 2022

  Full-stack Developer

  I have worked across multiple domains: From open-source tools to E-commerce and medical platforms. On the technical side, I have gained a lot of exposure to Web development through different web frameworks, such as Ruby on Rails, Phoenix / Elixir, and FastAPI / Python. I have also participated in other areas, such as work trips, recruiting, mentorship, and organizing team-building activities.Highlights:- 2021: Migration of a medical test management platform backend from PHP to Python. Substantial improvement in the readability and maintenance of the existing legacy code.- 2020: Significant enhancement of the syncing process between client and server for the antibiotic consumption tracking tool. Reduction in syncing time from hours to minutes for thousands of entries.- 2019: Pilot test & UX test for antibiotic consumption tracking tool. Held at the Ministry of Health of Eswatini.- 2017: Pilot test & UX test for the Surveda survey tool. Held at the Ministries of Health of Morocco and Zambia (https://manas.tech/projects/surveda/). Weniger anzeigen

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  Delivery Hero

  Jan 2022 - Sept 2024

  Software Engineer

  Implementation, rollout, and expansion of a Display Ad Server: 2.5 million EUR monthly revenue by serving nearly 1 thousand ads per second.Highlights:- 2024: Fill-rate optimization on decision algorithm. Enhancement of Observability and monitoring. Globalization of the Display Product by launching on additional screens for MENA, APAC, and LATAM regions. - 2023: Led the development of a Big Query logger, based on Go channels and BQ WriteAPI, supporting up to 4k entries per second. Led the rollout of Display to new markets, such as PedidosYa Argentina, and the creation of a new ad type for the search bar. 2022: Development (GoLang) and rollout of a new Display Ad Server for banner & video ads, replacing an existing production legacy solution. Led a geo targeting solution to match ad campaigns with users by location, based on Redis. Weniger anzeigen

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  ShipHero

  Jan 2024 - now

  Software Engineer