We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3 billion in assets - and we’re just getting started.

We’ve been featured by

MoneyWeek ,

Finder

and

Forbes , and we’re growing fast with big ambitions.

About the Role
We’re looking for a

Senior Backend Engineer

to join our

Payments Team

and help us strengthen and scale a business-critical part of our platform.

You’ll work on complex backend challenges across payment flows, integrations and system reliability. You’ll contribute to architecture, improve system stability and scalability, and help evolve the technical foundations of our Payments domain.

You’ll collaborate closely with Engineering, Product, Compliance, Operations and other business teams to build reliable solutions and improve critical operational processes.

What You’ll Do

Design, develop and maintain backend services in

Python 3.11 using Django / DRF

Contribute to the architecture and long-term technical development of our Payments systems

Build and improve





RESTful APIs

and integrations

Work with complex backend and legacy systems and identify root causes of technical problems

Continuously improve system performance, reliability and scalabilityInvestigate and resolve production issues and recurring problems

Work with

MySQL

and

Redis

Participate in architectural discussions and contribute to technical decisions

Identify and reduce technical debt

Improve development processes, code quality and engineering practices

Collaborate with Product, Compliance, Operations and Business teams

Contribute to the evolution of our architecture and internal engineering tools

What We’re Looking For

4+ years of experience in backend development

Strong Python skills and deep knowledge of

Django

or similar frameworks

Solid understanding of

relational databases, caching and high-performance backend systems

Experience with

REST APIs, service design and dis

📌 Senior Backend Engineer (Madrid)
🏢 InvestEngine
📍 Madrid