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Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx2Achievement: QuickdrawAchievement: YOLO

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simonvanlierde/README.md

Simon van Lierde

PhD researcher and research software engineer at the Institute of Environmental Sciences (CML), Leiden University. I build open, reproducible research infrastructure for industrial ecology and the circular economy. Most of my work turns messy product-level data into FAIR datasets and tools researchers can use directly.

Focus areas: industrial ecology, circular economy, and life-cycle assessment. Main stack: Python, FastAPI, TypeScript/React, PostgreSQL, and Docker. I default to FAIR data, open source, and reproducible workflows.

Featured project

Reverse Engineering Lab (RELab)

RELab collects disassembly data on durable goods to close a long-standing product-data gap in industrial ecology. I designed and built the platform end to end: a FastAPI backend, a PostgreSQL data model built for LCA, and an Expo/React Native frontend. In active use as lab infrastructure at CML: 50+ products disassembled, 1,250+ components and 3,000+ photos catalogued, with Repair Café pilots planned.

Selected work

credit-heatmap is a full-stack web tool for building CRediT author-contribution statements, with an interactive role matrix and JATS4R XML / JSON export for journal submission. Built on Next.js 15 with a framework-agnostic TypeScript core that runs the domain logic in the browser, deployable both as a Docker container and on Cloudflare Workers (OpenNext). Live demo at credit.duinlab.nl

msc-thesis-ie is my MSc Industrial Ecology thesis (Leiden / TU Delft): a bottom-up model of building cooling demand in The Hague and its life-cycle environmental impacts, built from BAG geospatial data, an hourly heat-balance model, and an LCA layer. It is published in the TU Delft repository, with the dataset archived on Zenodo.

Open-source contributions

I send fixes upstream to tools I use, mostly in the FastAPI and open-LCA ecosystems, such as fastapi-mail and sentier_data_tools.

Outside work I build small web apps I keep tinkering with, like bikespot and 6-second-scribbles.

Elsewhere

Pinned Loading

  1. CMLPlatform/relab CMLPlatform/relab Public

    Public repository for the Reverse Engineering Lab project

    TypeScript 3

  2. CMLPlatform/relab-rpi-cam-plugin CMLPlatform/relab-rpi-cam-plugin Public

    A FastAPI-based REST API to control Raspberry Pi cameras remotely. Tested and verified on Raspberry Pi 5 with Camera Module 3. This API is a component of the CML Reverse Engineering Lab platform.

    Python

  3. msc-thesis-ie msc-thesis-ie Public

    Bottom-up cooling-demand model and life-cycle environmental impact assessment of residential and office cooling in The Hague — MSc thesis in Industrial Ecology.

    Jupyter Notebook 1

  4. 6-second-scribbles 6-second-scribbles Public

    Real-time multiplayer drawing & guessing party game — Vue 3 + FastAPI, WebSockets, Docker.

    Python

  5. credit-heatmap credit-heatmap Public

    Web tool for CRediT author-contribution statements: interactive role matrix, contribution heatmap, and JATS4R XML / CSV / JSON export. Next.js 15 with a framework-agnostic TypeScript core.

    TypeScript

  6. scattergories scattergories Public

    Browser-based companion for playing Scattergories — letter roller, category packs, and round timer. React 19 + TypeScript SPA, 9 languages, no backend.

    TypeScript