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Python Automation Engineer
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Senior Backend Engineer
UserCanDo • Full time
Nov 2023 - Present • 2 yrs 6 mos
Senior backend engineer focused on correctness + performance. Own backend architecture for Rust services (Axum/SQLx) on PostgreSQL, including auth (JWT), RBAC, and real-time updates (WebSockets/SSE). Implemented an offline-first sync engine compiled to WASM with conflict resolution and deterministic merges (HLC-style clocks), plus typed JS modules that made frontend integration smoother. Also delivered supporting data tooling (ETL/scraping/analytics) and internal docs to keep delivery fast and clean.