Senior backend & AI engineer in London — agentic architectures, distributed systems, and data platforms at scale. 10+ years; built pipelines processing 1 TB/day and search serving 100M+ requests/day. Open to part-time and full-time roles.https://arnavsinghchauhan.com/https://arnavsinghchauhan.com/blog/altitude-ridge-indian-coffee/https://arnavsinghchauhan.com/blog/altitude-ridge-indian-coffee/Two interactive maps of India's specialty coffee: 36 estates plotted by growing elevation, and the sourcing network linking 25 roasters to the estates they name.Thu, 25 Jun 2026 00:00:00 GMThttps://arnavsinghchauhan.com/blog/hello-world/https://arnavsinghchauhan.com/blog/hello-world/A short intro: who I am, what I work on, and what I plan to write about here.Wed, 17 Jun 2026 00:00:00 GMThttps://arnavsinghchauhan.com/blog/self-contained-data-agents/https://arnavsinghchauhan.com/blog/self-contained-data-agents/I watched a talk about a bank where dashboards took 8 minutes to load. The fix wasn't faster infrastructure. Here's what actually worked.Sat, 30 May 2026 00:00:00 GMT