Lead Software Engineer | Golang | FinTech

Lead Software Engineer (Golang) – Real Time Data Platform

This is a hands‑on Lead role focused on designing and building distributed backend systems that ingest, process and serve high‑throughput data, for a well established Fin Tech.

The platform is already live, but there’s a clear need to evolve parts of the architecture to improve scalability, performance and reliability. This is where the role comes in.

You’ll join a small, experienced engineering group and take ownership of critical backend services, with a particular focus on Golang.

You’ll work on:

• Processing and distributing high volumes of real‑time data
• Improving performance and reducing latency across services
• Evolving existing architecture toward more efficient patterns

• Strong experience building backend systems in Golang
• Solid understanding of distributed systems and event‑driven architectures
• Experience working with high‑throughput / low‑latency systems
• Comfortable owning services end‑to‑end, from design through to production
• Ability to identify problems in existing systems and drive improvements

• Legacy backend stack is mainly in Node, which they are transitioning to Go
• Event‑driven architecture, messaging systems and cloud‑based infrastructure, currently migrating to GCP
• A pragmatic engineering culture focused on delivery and ownership

• This is an in‑office role (London)
• You’ll be working closely with senior engineers and leadership on critical platform components
• Strong compensation package including base, bonus and meaningful equity that is liquid