The elixir story

Everything tagged elixir across the whole site — work, projects, talks, and writing.

Positions

Staff Engineer · Ledgerbeam

Mar 2023 — present

Led the move from mutable stock levels to an event-sourced movement stream
Rebuilt ingestion on Broadway; sustained a 40x burst without shedding orders
Introduced property testing across the parsing and merging seams

Senior Engineer · Meridian Payments

Sep 2017 — Feb 2023

Settlement pipeline processing roughly 2M transactions a day
Cut reconciliation defects by making retries idempotent at the boundary

Projects

Ledgerbeam

Mar 2023 — present · Site

Talks

NIFs Without Tears

Code BEAM Lite Lisbon · Sep 2025 · Video

Backpressure in Practice

ElixirConf EU · May 2025 · Slides

Open source

simhash_ex author

Writing

2026-05-06 A Year of Property Testing
2026-01-20 Reading a Supervision Tree Like a Map
2025-10-15 The Kata I Keep Coming Back To
2025-07-09 Event Sourcing Taught Me to Delete Code
2025-04-22 A Rust NIF Without the Fear
2025-02-11 Backpressure Is a Product Decision

Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦ Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦ Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦ Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦ Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦ Notes on the BEAM, backpressure, and the long tail of distributed systems. ✦