Backend Engineer at fast-growing fintech SaaS

Jack & Jill/External ATS; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A fast-growing fintech company in London is seeking a Backend Engineer to join their high-performing engineering team. In this role, you will design and maintain robust backend services and distributed systems, ensuring high availability and performance. Candidates should have proven experience with scalable backend solutions and strong skills in languages like Go, Python, or Java, along with a thorough understanding of distributed systems and cloud infrastructure. This position offers an exciting opportunity for growth and impact within the fintech sector.

Qualifications

• Proven experience building scalable backend systems in a fast-paced environment.
• Strong proficiency in languages such as Go, Python, or Java.
• Deep understanding of distributed systems and cloud infrastructure.

Responsibilities

• Design, develop, and maintain scalable backend services and distributed systems.
• Implement secure and efficient APIs for seamless customer experiences.
• Optimize system performance and troubleshoot complex technical challenges.

Skills

Go

Python

Java

Database management

Distributed systems

Cloud infrastructure

Job description

This is a job that we are recruiting for on behalf of one of our customers.

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.

Backend Engineer

Company Description:

fast-growing fintech SaaS

Job Description:

As a Backend Engineer, you will join a high-performing engineering team to build and scale robust financial services infrastructure. You will be responsible for designing secure APIs, optimizing database performance, and ensuring the reliability of core systems that process significant transaction volumes while collaborating with cross-functional teams to deliver high-impact features.

Location:

London, UK

Why this role is remarkable:

• Work on mission-critical financial infrastructure using a modern and high-performance tech stack.

• Join a well-funded organization backed by top-tier VCs with significant market traction.

• Benefit from a high-growth environment offering clear paths for technical leadership and professional development.

What you will do:

• Design, develop, and maintain scalable backend services and distributed systems.

• Implement secure and efficient APIs to support seamless customer experiences.

• Optimize system performance and troubleshoot complex technical challenges in production.

The ideal candidate:

• Proven experience building scalable backend systems in a fast-paced environment.

• Strong proficiency in languages such as Go, Python, or Java and database management.

• Deep understanding of distributed systems, cloud infrastructure, and software engineering best practices.

How to Apply:

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