Senior Software Engineer

Senior Python Software Engineer

Up to £120,000

London | Python | Java | Cloud | Real-Time Distributed Systems | Bonus & Excellent Benefits

Are you an experienced backend engineer who enjoys solving complex technical challenges in high-performance, real-time environments?

We're partnering with an innovative technology business that's investing heavily in its engineering capability as it continues to scale. They're looking for a Senior Software Engineer to join a collaborative team developing highly available, cloud-native platforms that process large volumes of real-time data.

This is an opportunity to work on technically challenging systems where performance, scalability and reliability are critical. You'll have the chance to influence architecture, contribute to technical decision-making and work alongside talented engineers in a fast-paced environment.

The Role

You'll play a key role in designing and developing modern backend systems that process live data, integrate with external platforms and support business-critical applications.

Responsibilities include

Designing and developing scalable backend services using Python and Java

Building cloud-native, event-driven applications

Developing integrations with third-party platforms and APIs

Designing and optimising real-time data processing pipelines

Improving application performance, resilience and scalability

Working closely with technical stakeholders to deliver high-quality software

Contributing to infrastructure, deployment and continuous improvement initiatives

Technology

You'll be working with a modern engineering stack including

Python

Java

Google Cloud Platform (GCP)

Docker

REST APIs

Event-driven architecture

Streaming data

Distributed systems

Real-time data processing

About You

We're looking for engineers with experience in

Commercial Python development

Java development

Cloud platforms (GCP preferred, although AWS or Azure experience is also valuable)

Docker and containerised applications

REST API development

Event-driven or distributed systems

Real-time or high-performance backend applications

Designing scalable data pipelines

Desirable Experience

Experience working within high-performance, highly transactional environments would be advantageous, including:

Financial services or electronic trading platforms

Sports betting, iGaming or wagering technology

Trading or market data systems

Low-latency applications and streaming architectures

FIX Protocol or electronic trading integrations (particularly for candidates from financial services)

What's on Offer?

Competitive salary based on experience (Up to £120,000)

Annual performance bonus

Private healthcare and dental cover

Pension

25 days' holiday plus bank holidays

Wellness and gym membership

Excellent office facilities, including complimentary breakfasts and regular team lunches

A collaborative, engineering-led culture where you'll have genuine ownership and the opportunity to make a real impact

If you're looking for an opportunity to work on complex backend systems in a modern engineering environment, we'd love to hear from you.

Apply now or get in touch for a confidential discussion.

RSG Plc is acting as an Employment Agency in relation to this vacancy.