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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Trading Systems Developer | C# | London, Hybrid - **Company:** SGI - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Algorithmic Trading, Amazon Web Services, Business Analytics Applications, Microsoft Azure, Big Data, C Sharp (Programming Language), Databases, Continuous Integration, DevOps, Reference Data, Standard Sql, Software Engineering, Data Streaming, Information Technology, Stream Analytics, Data Pipelines - **Published:** October 3, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2999059585-2 ## About the Role * A Degree in Computer Science, Software Engineering, Mathematics, Financial Engineering, Physics, Engineering or a related quantitative discipline is highly desirable. * 5+ years' commercial C#/.NET development experience, ideally within financial markets, investment management, trading technology, FX, derivatives or a similarly data-intensive environment. * Strong understanding of FX products, trading workflows and investment-data flows. * Experience building or significantly enhancing trading systems, investment platforms, risk systems, analytics platforms or trade lifecycle applications. * Ability to understand the full trade lifecycle, not just one isolated area of a platform. * Strong understanding of how trading and investment data is ingested, enriched, validated, processed, stored, consumed and reported. * Experience working with market data, trade data, position data, reference data, pricing inputs and/or risk metrics. * Strong SQL and database experience, including working with complex datasets and performance-sensitive queries. * Ability to work closely with business users including traders, portfolio/investment teams, risk, operations and technology stakeholders. * Strong problem-solving skills, attention to detail and ability to build practical solutions in complex environments. Useful experience * Azure/AWS cloud infrastructure; CI/CD and DevOps practices * Real-time analytics, data pipelines or trade support systems * Pricing, execution, position management, portfolio analytics or risk platforms. * Exposure to multi-asset environments, FX, fixed income, equities or derivatives. * Experience contributing to platform architecture, greenfield builds or major system modernisation programmes. ## Description * Design, build and enhance C#/.NET applications across FX trading, investment technology, risk, analytics and reporting. * Help develop trading platform capability from the ground up, including core services, data flows, workflow tooling and business-facing applications. * Work across the full FX trade lifecycle, from pricing and execution through to booking, position management, risk, P&L and downstream reporting. * Understand how data moves through the platform - where it comes from, why it is needed, how it is transformed, who consumes it and where it ultimately ends up. * Integrate market data, trade data, position data, reference data, pricing inputs and risk metrics into scalable, reliable systems. * Build real-time tools, services and dashboards used by trading, investment and operational teams. * Improve workflow automation, data quality, execution efficiency, platform resilience and operational transparency. * Partner directly with traders, portfolio/investment teams, risk and operations stakeholders to turn complex trading and investment requirements into robust technical solutions. * Contribute to architectural decisions around platform design, data modelling, integration patterns and long-term scalability. ## Related Videos - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Shifting Stress to Progress— Understanding DevOps to do DevOps Better](https://www.wearedevelopers.com/videos/268-shifting-stress-to-progress-understanding-devops-to-do-devops-better) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)