Founding Senior Backend Engineer, AI Platform

Lumora Solutions; United Kingdom; On-site; GBP 90,000 - 120,000; Full time

Job summary

Lumora Solutions is seeking a Senior Backend Engineer to join its AI Platform Engineering Team in the United Kingdom. You will help shape the platform from the ground up, building core services, APIs, and data integrations while establishing testing frameworks and guardrails for enterprise AI solutions.

You will own services end-to-end, collaborating with product teams and customers to validate solutions, measure impact and deliver value through iterative development.

Qualifications

• Experience building production backend or distributed systems.
• Ownership across design, testing, deployment and operational reliability.
• Ability to explain architectural decisions and trade-offs.
• Strong communication with engineers, product teams and customers.
• Pragmatic, value-driven mindset focused on outcomes.
• Proficiency in C#/.NET or Python; Go is a bonus.
• Nice to have: multi-tenant SaaS, production LLM-powered services, AI coding assistants.

Responsibilities

• Design, build and maintain core backend services, including APIs, orchestration and access controls.
• Develop secure, scalable multi-tenant SaaS services and reliable data integrations.
• Take end-to-end ownership from architecture to deployment and production support.
• Collaborate with product teams and customers to validate solutions and measure impact.
• Help shape engineering standards, mentor peers and contribute to a high-performing AI platform team.

Skills

Backend development

Distributed systems

C#/.NET

Python

Go

Multi-tenant SaaS

LLM-powered services

AI platform

Job description

Lumora Solutions is seeking a Senior Backend Engineer to join its AI Platform Engineering Team in the United Kingdom. You will help shape the platform from the ground up, building core services, APIs, and data integrations while establishing testing frameworks and guardrails for enterprise AI solutions.

You will own services end-to-end, collaborating with product teams and customers to validate solutions, measure impact and deliver value through iterative development.