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:

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• Designing and developing scalable backend services using Python and Java
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• Building cloud-native, event-driven applications
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• Developing integrations with third-party platforms and APIs
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• Designing and optimising real-time data processing pipelines
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• Improving application performance, resilience and scalability
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• Working closely with technical stakeholders to deliver high-quality software
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• Contributing to infrastructure, deployment and continuous improvement initiatives
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Technology

You'll be working with a modern engineering stack including:

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• Python
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• Java
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• Google Cloud Platform (GCP)
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• Docker
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• REST APIs
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• Event-driven architecture
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• Streaming data
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• Distributed systems
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• Real-time data processing
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About You

We're looking for engineers with experience in:

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• Commercial Python development
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• Java development
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• Cloud platforms (GCP preferred, although AWS or Azure experience is also valuable)
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• Docker and containerised applications
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• REST API development
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• Event-driven or distributed systems
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• Real-time or high-performance backend applications
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• Designing scalable data pipelines
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Desirable Experience

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

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• Financial services or electronic trading platforms
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• Sports betting, iGaming or wagering technology
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• Trading or market data systems
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• Low-latency applications and streaming architectures
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• FIX Protocol or electronic trading integrations (particularly for candidates from financial services)
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What's on Offer?

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• Competitive salary based on experience (Up to £120,000)
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• Annual performance bonus
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• Private healthcare and dental cover
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• Pension
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• 25 days' holiday plus bank holidays
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• Wellness and gym membership
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• Excellent office facilities, including complimentary breakfasts and regular team lunches
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• A collaborative, engineering-led culture where you'll have genuine ownership and the opportunity to make a real impact
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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.