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Senior Engineer – Data Platform Team | C#/.NET, Kafka, Event Driven / Streaming | Up to £120,000 + Bonus + Benefits | Hybrid | FX Trading Firm | London
I’m currently working with a London-based trading technology team that’s looking to bring in a Senior Engineer within their Data Platform team to help scale a real-time platform powering high-volume trading systems.
This isn’t a typical backend role. It sits at the intersection of high-performance backend engineering and data platform architecture, focused on building distributed systems that process and stream huge volumes of trading data in real time.
⚡ When markets become volatile, trade and order volumes can surge instantly, so the platform needs to remain extremely fast, resilient, and fault-tolerant under significant load.
The team is looking for engineers who enjoy working on complex systems where scalability, concurrency, and performance really matter, particularly within event-driven and streaming architectures.
It’s the kind of environment where you’re solving real engineering problems at scale, rather than just building standard application features.
💻 Tech Stack
Key technologies include:
• C# / .NET (currently .NET 8 / .NET 10)
• Kafka or similar event-streaming technologies (RabbitMQ, Kinesis, Azure Service Bus etc.)
• PostgreSQL and large relational data systems
• Real-time data pipelines and distributed systems
🧠 What You’ll Be Doing
• Designing and scaling real-time data ingestion pipelines
• Building and improving event-driven platform services
• Handling large volumes of streaming market data
• Working with product owners to translate requirements into production-ready systems
💰 Package
💰 Salary: £120K
📍 Location: London (Hybrid – 3 days per week)
Work arrangement
No
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