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Senior Software Engineer | C# | .NET | Azure | Phyton | Inside IR35 | £900pd | Hybrid | London

Senior Software Engineer | C# | .NET | Azure | Phyton | Inside IR35 | £900pd | Hybrid | London

On site

London, United kingdom

Senior

Freelance

15-01-2026

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Skills

Python C# CI/CD DevOps Kubernetes Azure DevOps Azure Analytics .NET CI/CD Pipelines Microservices

Job Specifications

Senior Software Engineer | C# | .NET | Azure | Phyton | Inside IR35 | £900pd | Hybrid | London

Our leading Energy Trading client is investing in setting up a new desk which is focused on algorithmic trading focused initially on power and gas, with plans to expand across oil and other commodity products.

You will play a pivotal role in designing, building and running the technology that underpins this desk — from live trading platforms to backtesting frameworks and data pipelines. This is a front office role so you will be working hand in hand with traders, quants, analysts and senior technology leaders in a collaborative environment.

Contract Details:

Inside IR35
Up to £900pd
6 months rolling contract
Liverpool St - 3 days a week onsite

Role details:

Design, develop and maintain low-latency C#/.NET trading applications
Build execution engines for automated and semi-systematic trading
Implement exchange and broker connectivity using APIs / FIX gateways
Engineer algorithmic execution logic: smart order routing, VWAP/TWAP, liquidity-seeking behaviour, hedging logic
Develop simulation and backtesting capabilities to replay market events
Analyse trading performance, P&L drivers, slippage, and TCA
Take models, signals or ideas from traders/quants and turn them into production-ready strategies
Build reusable frameworks for logging, metrics, latency profiling, and data ingestion

Tech Stack:

C# / .NET — primary development language
Python — rapid prototyping, data pipelines, metrics & analytics
Azure -Service Bus, Functions, Kubernetes, Data Lake, AKS or containerised microservices
Azure DevOps / CI/CD pipelines

If you are interested to find out more about the role. Please send your latest CV to prene@virtuetech.io OR apply to the advert with your most up to date CV!

Senior Software Engineer | C# | .NET | Azure | Phyton | Inside IR35 | £900pd | Hybrid | London

About the Company

From start-ups to unicorns, you need great people to grow, so at VirtueTech we do recruitment differently. We believe companies are defined by their people, so connecting clients and candidates through mu-tual values is key for a thriving business. With a joint brand mission being paramount for success, you need an agency aligned with that purpose. Which is precisely where we come in... At VirtueTech jobs are more than just a salary, they're a passion. So we understand and reflect our clients values, in both ourselves and... Know more