Senior Software Engineer
Job in
Southampton, Hampshire County, SO15, England, UK
Listed on 2026-09-03
Listing for:
Method Resourcing
Full Time
position Listed on 2026-09-03
Job specializations:
-
Software Development
Backend Developer, Cloud Engineer - Software, Software Engineer, Python
Job Description & How to Apply Below
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 APIsDesigning 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)
DockerREST APIsEvent-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 architecturesFIX 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 coverPension
25 days' holiday plus bank holidays
Wellness and gym membership
Excellent office facilities, including complimentary breakfasts and regular team lunchesA 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.
Position Requirements
10+ Years
work experience
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