Hello, again
I codify contracts between systems for a living, in Rust and Python; and once spent a decade chasing where the antimatter went.
Senior software engineer at PactFlow (SmartBear). I help lead the open source Pact Foundation and maintainpact-python; I also wrote tikz-feynman,rust-skiplist, and more.
Previously: data and cloud engineering at KPMG, and doctoral research in theoretical particle physics.
The year in code
4207 commits, 657 PRs, and 208 issues across 34 repositories.
Most of what I make is open. The grid below is the truthful version of a résumé — public, dated, and dense in the parts where I was paying attention.
Latest commits
JP-Ellis/dotfilesfeat(rustic): run macOS jobs through a signed launcher app1d
JP-Ellis/dotfilesfix(rustic): report lock failures other than contention1d
JP-Ellis/jpellis.merefactor(home): use type tokens for list text sizes1d
JP-Ellis/jpellis.mefix(projects): lay out band stats 2 × 2 on phones1d
JP-Ellis/jpellis.mefix(projects): restore the band's side gutters1d
JP-Ellis/jpellis.mefix(home): tuck post dates under titles on phones1d
Latest issues & PRs
JP-Ellis/dotfiles[PR · merged]
feat(git): delete squash-merged branches when fetch prunes them23hJP-Ellis/jpellis.me[PR · merged]
fix: mobile1dJP-Ellis/dotfiles[PR · merged]
fix(rustic): restore macOS scheduled backups1dJP-Ellis/jpellis.me[PR · merged]
feat(theme): modernise the look without the faux paper1dSelected projects
pact-pythonOSS · libraryPython bindings for Pact, rebuilt over a Rust FFI core. The version most pact-python users actually reach for.↗ github
tikz-feynmanOSS · LaTeXA LaTeX package for typesetting Feynman diagrams with TikZ; adopted across particle physics with 400+ academic citations.↗ github
↗ All projectsRecent writing