AI systems, backend engineering, and team leadership.https://denis-kasatkin.com/https://denis-kasatkin.com/blog/ai-backlog-first-responder/https://denis-kasatkin.com/blog/ai-backlog-first-responder/What happens when you let an AI agent pick up the small, well-defined tickets nobody has time for? Notes from a personal experiment — including where it broke.Sun, 30 Aug 2026 00:00:00 GMThttps://denis-kasatkin.com/blog/ai-mcp-content-ops-case-study/https://denis-kasatkin.com/blog/ai-mcp-content-ops-case-study/What it actually looks like to replace hours of manual content work with an AI agent wired into real systems through MCP, not a demo, the unglamorous middle part.Sun, 16 Aug 2026 00:00:00 GMThttps://denis-kasatkin.com/blog/junior-developers-still-needed/https://denis-kasatkin.com/blog/junior-developers-still-needed/The headlines say entry-level coding jobs are disappearing. The numbers are real, but the story is more specific — and more useful — than "AI took the jobs."Mon, 14 Sep 2026 00:00:00 GMThttps://denis-kasatkin.com/blog/retry-idempotency/https://denis-kasatkin.com/blog/retry-idempotency/Retries are how you make a system reliable, and also how you double-charge a customer. The difference is whether anything you built actually tolerates running twice.Sun, 11 Oct 2026 00:00:00 GMT