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Achievements

Achievement: Public SponsorAchievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: 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.

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: 78 products disassembled, 1,331 components and 3,610 photos catalogued, across a lab deployment and two teardown workshops with 135 participants.

Selected work

monitoring is the observability stack for CML's research platforms: an OpenTelemetry pipeline (Grafana, Loki, Tempo, Prometheus) collecting logs, traces, and metrics from RELab and other services, with CI-validated configs and a one-command demo.

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. Interactive results dashboard at simonvanlierde.github.io/msc-thesis-ie

cv-ie-taxonomy is an interactive exploded-teardown map of a computer-vision taxonomy for industrial ecology, built as a companion visual for an upcoming publication: a custom React/SVG scene with scroll-driven exploration. Live at simonvanlierde.github.io/cv-ie-taxonomy

credit-matrix helps co-authors draft CRediT contribution statements together, then exports the grid as a contribution heatmap plus JATS4R XML, CSV, JSON or Markdown. It runs fully in the browser, works offline and comes in nine languages. Built with Next.js 16 and TypeScript, archived on Zenodo. Live at credit.duinlab.nl

In progress: an AI4IE resource hub and a project gallery for CML, both early prototypes.

Open-source contributions

I maintain reusable tooling I need in my own work, like check-json5, a pre-commit hook whose fast-path parser makes it roughly 500× faster on large JSON files, and project-templates, Copier templates that start a Python, TypeScript, Rust or Go project with linting, tests and CI already set up. I also send small 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:

Elsewhere

Pinned Loading

  1. CMLPlatform/relab CMLPlatform/relab Public

    Open-source research platform for collecting and publicly sharing product disassembly data. Built at CML, Leiden University, to support industrial ecology and circular economy research with better …

    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 ReLab 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.

    Python 1

  4. credit-matrix credit-matrix Public

    Draft CRediT contribution statements with your co-authors, and export the grid as a contribution heatmap. Client-side and offline-capable, in nine languages, with JATS4R XML / CSV / JSON / Markdown…

    TypeScript

  5. check-json5 check-json5 Public

    A pre-commit hook that accepts JSON5 in .json files. A drop-in replacement for check-json that allows comments and trailing commas, without giving up the C parser's speed on ordinary JSON.

    Python

  6. CMLPlatform/monitoring CMLPlatform/monitoring Public

    Central OpenTelemetry observability stack for CML research platforms: Grafana, Loki, Tempo, Prometheus

    Shell