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  • FOUNDING ENGINEER: AN AI RESEARCH PLATFORM, EMPTY REPO TO TEN ENGINEERS

    September 12, 2026

    Case study about taking an AI research platform for public-market investors from an empty repository to production - the ingestion architecture, the customer-facing AI research features, and the patterns a team of around ten engineers went on to build on.

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  • BROWSEWIZ: LESSONS FROM BUILDING A PRODUCTION BROWSER AGENT

    July 19, 2026

    Five engineering lessons from building BrowseWiz, a Chrome extension that browses the web and automates tasks in your tabs for you, extensible with custom tools, MCP servers, and OpenAI-compatible models.

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  • CASE STUDY: WEB RENDERING SERVICE

    July 23, 2024

    Case study about using a headless browser (no UI) to rebuild the rendering path of a web data extraction platform as a load-tested service that took over live traffic in stages.

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  • FIRST CONTENTFUL PAINT OF TOP 500 MOST POPULAR WEBSITES

    July 17, 2024

    Measured First Contentful Paint across the 500 most popular websites with a Chrome DevTools Protocol automation script, and worked through which of them load slowly and why.

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  • CASE STUDY: UTILITARIAN DESKTOP BROWSER APPLICATION

    September 3, 2023

    Chromium desktop browser for Mac and Windows: rebranding, advanced extension integration, and the release and update infrastructure that kept it in sync with upstream Chromium.

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DevPeer Tomasz PosłusznyNIP 5213730587REGON 364230318tom@devpeer.net
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