Principal Engineer: AI-Driven Greenfield Platform Lead

Maxwell Bond; St Helens; Hybrid; GBP 120,000 - 160,000; Full time

Job summary

Maxwell Bond is seeking a Principal Developer in the St Helens/Warrington area for a hybrid role. You will own the architecture, guide a team of backend and data engineers, and drive a greenfield platform using AI tools like Claude Code and GitHub Copilot.

The role focuses on scalable, data‑intensive systems within distributed microservices. The ideal candidate has deep C#, .NET and Azure experience, plus leadership in architectural decisions and exposure to AI coding agents.

Qualifications

• Proven track record leading technical decisions and teams.
• Experience designing scalable, data‑intensive systems.
• Strong background in C#, .NET and Azure architecture.

Responsibilities

• Own the architecture and technical direction for a greenfield platform.
• Lead and mentor backend and data engineers; shape software design.
• Use AI coding agents to accelerate development and code quality.
• Collaborate across domains to deliver real‑time, data‑driven solutions.

Skills

C#

.NET

Azure

Scalable systems

Microservices

Distributed systems

Event-driven architecture

Python

Data engineering

Technical leadership

AI coding agents

AWS

Streaming data

Machine learning

Job description

Maxwell Bond is seeking a Principal Developer in the St Helens/Warrington area for a hybrid role. You will own the architecture, guide a team of backend and data engineers, and drive a greenfield platform using AI tools like Claude Code and GitHub Copilot.

The role focuses on scalable, data‑intensive systems within distributed microservices. The ideal candidate has deep C#, .NET and Azure experience, plus leadership in architectural decisions and exposure to AI coding agents.