Senior Backend Engineer – Python / Microservices

JR United Kingdom; London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

A fast-scaling global fintech is seeking a Backend Engineer to innovate backend systems and lead development at a mission-critical platform. This role offers the chance to work with cutting-edge technology, flexible hybrid working, and equity options, while collaborating with a high-calibre team dedicated to changing global finance.

Benefits

Equity options

Flexible hybrid work

Opportunities to lead and mentor

Direct access to leadership

Qualifications

• 5+ years’ experience in backend development, ideally in fintech or SaaS.
• Advanced Python skills and deep experience in microservices architecture.
• Hands-on experience with Docker and Kubernetes.

Responsibilities

• Designing and building backend microservices in Python.
• Writing clean, robust, production-grade code using TDD.
• Deploying and maintaining services using Docker and Kubernetes.

Skills

Python

Test-Driven Development (TDD)

microservices architecture

message queues

NoSQL

Docker

Kubernetes

solid communication

Tools

RabbitMQ

MongoDB

Microsoft-based infrastructure

Azure

OpenShift

Job description

Social network you want to login/join with:

col-narrow-left

Client:

DATAHEAD

Location:

west london, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Views:

1

Posted:

04.06.2025

Expiry Date:

19.07.2025

col-wide

Job Description:

Location: London - Hybrid/flexible working

Salary: £90,000 – £120,000 + Equity Options

Type: Full-time, Permanent

Join a Fintech Revolution - Newly created role - As the first in this role, you’ll play a key role in defining how backend engineering evolves within a fast-scaling global fintech – with full support from leadership and autonomy to innovate.

DATAHEAD has been exclusively retained by a fast-scaling global fintech that’s disrupting the banking space through automation, AI, and cloud-native engineering. Their platform is used by major financial institutions to streamline and digitize complex document processing and they’re now growing their world-class engineering team in London.

This is an opportunity to take ownership of robust, scalable backend systems at a business that's solving real-world problems at a global scale.

What You’ll Be Doing

• Designing and building backend microservices in Python
• Writing clean, robust, production-grade code using Test-Driven Development (TDD)
• Developing asynchronous, event-driven systems using RabbitMQ
• Working with MongoDB and other NoSQL databases
• Deploying and maintaining services using Docker and Kubernetes
• Shipping services within a Microsoft ecosystem (Azure/OpenShift)
• Collaborating with engineers, product managers, and leadership to scale the platform

What We’re Looking For

• 5+ years’ experience in backend development, ideally in fintech or SaaS environments
• Advanced Python skills and deep experience with microservices architecture
• Strong understanding of TDD, CI/CD, and production-quality standards
• Experience with message queues (RabbitMQ preferred)
• Solid NoSQL knowledge, particularly MongoDB
• Hands-on with Docker and container orchestration using Kubernetes
• Exposure to Microsoft-based infrastructure (Azure/OpenShift preferred)
• Strong communication, ownership mentality, and a drive to build from scratch

Why consider?

• Work on a mission-critical platform changing global finance
• Join a high-calibre team backed by top-tier clients
• Flexible hybrid work and equity options on the table
• Flat structure and direct access to leadership
• Opportunities to lead, mentor, and grow as we scale