The roleYou build and ship across AI agents and client-facing systems, owning features end to end and shaping what gets built together with the client team.
This is a hands-on delivery role on live problems, not a research seat.
Projects typically start as a proposal, followed by a proof of concept, expand into a beta, then shipped to production.
You'll be involved across the full arc, and you won't be doing it alone.
Location: Remote (UK), with access to a number of London co-working office spaces.
What you'll doTake features from idea to production, then iterate on real usage.
Build AI agents and integrations against clients' own data and systems.
What we look forAround 2+ years of production engineering experience.
Excellent Python and at least one other modern programming language.
Genuine curiosity.
Prior to 51D, Nick Harding (CEO) founded and scaled the fintech Fluro to four million credit applications a year.
Mark Somers (CPO) built 4most into the UK's largest independent credit risk consultancy.
We embed practitioners in client teams and build the best solution that will drive for maximum client value.
Strategy, governance and training are also key, but we stay and build rather than hand over a document and leave.
We're a fast-growing startup and the client list is highly varied with clients across financial services, retail, property and PR (to name a few).
This role combines client-facing consultant and softwa.