I build the parts of systems that other systems depend on.

Currently inpayments ledgers, migration tooling, build infrastructure, tracing at scale

Backend and platform work, mostly in TypeScript and Go, mostly where correctness is cheaper to buy up front than to retrofit.

zsh — miravance.example

visitor@miravance:~$ whoami

Mira Vance — Staff Software Engineer

Edinburgh, UK · 10 years

visitor@miravance:~$ cat availability

Selectively available

Taking one contract from March, and always happy to talk.

Try: help · ls projects · open ledger · stack go

visitor@miravance:~$

help lists everything · Tab completes · ↑ recalls · everything here also has a normal link

Selected work

Problems with a number attached.

Mostly working in

Each chip counts the case studies that use it. Choose one to list them; choose it again to clear.

The six most recent projects

1171 contributions

1171 contributions in the last year

1,171 total

208 active days

6 day streak

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct

Mon

Wed

Fri

4 days in this window were never reported. Those squares are hatched rather than empty, because a day with no data is not a day that measured zero.

Less

1–2

3–5

6–8

1171 across 208 active days, longest streak 6 days, busiest Oct 30 with 11.

Contribution activity by month
Month	Total	Active days	Busiest day
October 2025	41	8	Oct 30 (11)
November 2025	104	17	Nov 3 (11)
December 2025	96	18	Dec 10 (10)
January 2026	120	20	Jan 19 (11)
February 2026	91	19	Feb 2 (11)
March 2026	110	17	Mar 3 (10)
April 2026	100	21	Apr 3 (10)
May 2026	121	17	May 21 (11)
June 2026	113	19	Jun 3 (10)
July 2026	76	11	Jul 2 (11)
August 2026	84	15	Aug 17 (11)
September 2026	82	19	Sep 22 (11)
October 2026	33	7	Oct 14 (9)

Now

Payments platform: the ledger, the gateway in front of it, and the CI that builds both.

Led the ledger move from mutable rows to an event log with no downtime across eleven products.
Cut cold CI builds from 14 minutes to under four, for ninety engineers.