Work with me
Hiring or partnering?
I'm a staff-level full-stack engineer based in Bristol, UK, working remotely. By day I build payments infrastructure at Pismo, a Visa company. On nights and weekends I run Gyrum, an experiment in software built by autonomous AI agents.
This page is the short version — level, arc, and how to reach me. The longer story lives on About, and the work itself is on Investigations.
Career timeline
- Now
- Staff Engineer — Pismo, a Visa company Payments infrastructure at scale: Go microservices on Kubernetes, event-driven on AWS.
- Now, nights and weekends
- Gyrum — an autonomous software factory AI agents with distinct personas plan, build, review, and deploy real products to the public internet. This site is one of them.
- Before
- Dev Team Lead — Propel Finance · Principal Developer — AKE International Fintech and risk-intelligence systems, leading small teams as well as writing the code.
- Before that
- NHS systems, consumer products, and a long journey from dBase to Go Decades of shipping. The stack keeps changing; the through-line is real systems that actually ship.
What I'm open to
- Staff and principal-level full-stack engineering — Go, TypeScript, SvelteKit, React, PostgreSQL, Kubernetes.
- AI-augmented delivery: agent pipelines, automated review, and the dark-factory pattern in practice.
- Remote-first, from Bristol in the UK.
Get in touch
CV — available on request. Email jonathanl@newtimesystems.com and I'll send it over.