Moo1mo ago

Principal Architect

London · (london)Perm - Full-timelead

ArchitectConstruction & Real Estate

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Quick Summary

Key Responsibilities

Define target architecture, standards and patterns; ensure decisions are captured via ADRs; steward security, privacy and compliance guardrails Accountabilities: Architectural integrity,

Technical Tools

ArchitectConstruction & Real Estate

MOO set out to shake up the world of print back in 2006. And we’ve come a long way since. Today we’re a 400 + strong team (we’re thinking of getting matching jackets) who create print and digital products for companies of all sizes – from Google and AirBnB to the guy who makes those amazing prints you found at a craft fair.

Our global HQ is in London, UK, while we also have premises in Dagenham. In the US, you’ll find us in Boston, MA, as well as East Providence, RI and Denver, CO.

We’re making new and exciting things – and we could really do with your help.

This role is cross-cutting across Technology & Product, not limited to eCommerce. You’ll partner with Heads of Engineering, Staff Engineers, Product and Platform to define and drive the end-to-end system architecture spanning eCommerce, post‑purchase, manufacturing and data. You’ll be accountable for architectural outcomes, migration strategy and enabling product engineering to ship safely at pace.

You are a seasoned architect and product-minded technologist who leads through influence across multiple teams.

You’ve led large, multi-quarter platform migrations or consolidations, and you balance pragmatism with long-term architectural clarity.

You are excellent at communication up, down and across, and you turn ambiguity into clear direction.

Architecture and governance

Responsibilities: Define target architecture, standards and patterns; ensure decisions are captured via ADRs; steward security, privacy and compliance guardrails

Accountabilities: Architectural integrity, reduced complexity over time, safe migration with controlled risk, clear decision trail

Delivery enablement

Responsibilities: Enable parallel team delivery through well‑designed interfaces and migration patterns; unblock teams with timely guidance and reviews

Accountabilities: On‑time cross‑team delivery of strategic outcomes; fewer blockers; consistent adherence to standards

Developer experience and reliability

Responsibilities: Partner with Platform to uplift CI/CD, observability, SLOs and incident learning; advocate for fitness functions and paved roads

Accountabilities: Improved flow and stability metrics; faster, safer releases; measurable DX improvements

People leadership

Responsibilities: Mentor Staff/Senior engineers; run architecture reviews and forums; translate architecture into business impact for executives

Accountabilities: Higher engineering leverage, clearer alignment, stronger technical decision quality across the org

Listing Details

Posted: March 13, 2026
First seen: March 26, 2026
Last seen: April 24, 2026

Posting Health

Days active: 29
Repost count: 0
Trust Level: 33%
Scored at: April 24, 2026

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Moo

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MOO is a leading online print and design company specializing in high-quality business and promotional print products, committed to innovation and sustainability.

Employees

350

Founded

2004

Domain

Jobs

External application · ~5 min on Moo's site

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