I turn messy systems into calm, well-tested software — and I care about the humans running it as much as the code.

GoTypeScriptPostgreSQLKubernetesgRPCAWS

Selected work

01

Ledger — a payments core

Rebuilt a double-entry ledger handling €40M/mo with zero downtime migration.

2025
02

Beacon — internal dev platform

Self-service deploys that cut lead time from days to minutes for 60 engineers.

2024
03

Tally — open-source CLI

A tiny time-tracker for terminals. 2.8k GitHub stars.

2023

Experience

2023 — now

Staff Engineer · Northwind

Payments platform. Tech lead for the ledger & reconciliation teams.

2020 — 2023

Senior Engineer · Kite

Built the developer platform & CI pipeline from scratch.

2017 — 2020

Backend Engineer · Orbit

Scaled the API from 10k to 2M daily requests.

Building something that needs solid foundations?

marcus@example.com

Template note — persona, projects & experience are placeholder samples. Replace with your own.