Founding backend Engineer

This role is for one of the Weekday's clients

Min Experience: 4 years

Location: London

JobType: full-time

We are looking for a Founding Backend Engineer to help build and scale core product capabilities from the ground up. This role offers end-to-end ownership, close collaboration with customers, and the opportunity to shape foundational architecture while moving quickly in a fast-paced environment.

Requirements

Key Responsibilities

• Design, build, and ship core backend and platform features using Python, TypeScript, cloud infrastructure, and event-driven architectures
• Own features end to end—from understanding customer needs and scoping solutions to delivery and iteration
• Balance rapid experimentation with long-term scalability, knowing when to prototype quickly and when to engineer for durability
• Establish and uphold best practices for testing, documentation, rel...