Lead Node.js Engineer

Lead Backend Engineer (Node.js)

Location: London, West End (5 days in office)

Salary: Circa £120,000 base

We are partnered with a high-performance FinTech working on large-scale distributed systems and real-time data platforms. The business operates at significant scale where system reliability, performance, and strong backend architecture are critical.

As part of continued growth, they are looking to hire a Lead Node.js Engineer to strengthen backend expertise, improve service architecture, and help elevate engineering standards across the organisation.

The Role

This is a hands-on Lead engineering position focused on improving and evolving a predominantly Node.js backend ecosystem.

You will play a key role in addressing technical debt, improving service design, and raising the bar for engineering quality across multiple teams working on core backend systems.

The environment is fast-moving and pragmatic. The expectation is that senior engineers identify problems and improve them rather than simply maintaining existing systems.

Technical Environment

• Node.js (core backend stack)
• Gradual movement toward Golang
• Distributed backend services
• Systems focused on data ingestion, indexing and API connectivity
• Large-scale, real-time data infrastructure

Technical profile

• Strong hands-on backend Node.js experience
• Deep understanding of service architecture and scalable backend design
• Comfortable improving existing patterns and addressing technical debt
• Experience working in distributed systems environments

Seniority

• Clear Lead-level engineer
• Comfortable influencing engineering standards across teams
• Able to operate independently and raise the technical bar

Compensation

• Base salary around £120,000 + Bonus

If you are a strong Node.js specialist who enjoys improving real systems and raising engineering standards, this is a genuinely high-impact Lead role within a high-performing engineering environment.