<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
<url><loc>https://buttondown.com/viljami/archive/we-locked-ourselves-out-of-production/</loc><lastmod>2026-08-18</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/im-changing-my-title-from-head-of-engineering/</loc><lastmod>2026-05-15</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/our-entire-company-ships-code-now-40-prs-from-non-engineers-in-60-days/</loc><lastmod>2026-04-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/we-made-coding-agents-actually-reliable-by-fixing-one-thing/</loc><lastmod>2026-02-04</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/a-product-engineers-letter-to-pms/</loc><lastmod>2025-06-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/a-product-engineers-letter-to-designers/</loc><lastmod>2025-06-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/dealing-with-pushback-to-product-engineering/</loc><lastmod>2025-04-08</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/how-i-got-product-engineering-wrong/</loc><lastmod>2024-10-13</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/everything-is-a-bet/</loc><lastmod>2024-09-26</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/bullshit-tech-roles-satire/</loc><lastmod>2024-07-09</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/the-product-engineer-checklist/</loc><lastmod>2024-06-04</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/what-is-a-product-engineer/</loc><lastmod>2024-02-29</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/after-3-years-bets-i-made-as-head-of-engineering-rewriting-the-epilot-saas-worth-it/</loc><lastmod>2024-02-15</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/how-we-do-engineering-epilot/</loc><lastmod>2023-01-22</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/first-year-as-head-of-engineering-epilot-killing-the-legacy-monolith/</loc><lastmod>2022-06-17</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/api-first-how-teams-collaborate-on-software-design/</loc><lastmod>2020-12-17</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/testing-react-with-jest-and-openapi-mocks/</loc><lastmod>2020-06-12</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami</loc><lastmod>2026-08-18</lastmod><changefreq>monthly</changefreq></url><url><loc>https://buttondown.com/viljami/archive/</loc><lastmod>2026-08-18</lastmod><changefreq>monthly</changefreq></url>
</urlset>
