Software Engineer

CipherTek Recruitment provided pay range This range is provided by CipherTek Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from CipherTek Recruitment Role: Expert .NET Developer – Cross Asset Trading System Location: Very Flexible. Can offer Remote with occasional travel to London City offices Contract: 12 months Rate: Up to £700/day About the Role: We are partnering with a leading investment bank on an ambitious programme to modernise and enhance their cross-asset trading systems. This is a technically challenging, hands-on role, ideal for an expert .NET developer with a strong SQL Server background and experience working in financial environments. You will be joining a highly skilled team focused on performance, reliability, and scalability, tackling complex issues in real-time, data-driven applications. This is purely a tech-heavy role—business knowledge is helpful but not required. What You’ll Be Doing: Leading initiatives on DB modernisation and performance optimisation Archiving legacy data from key tables with precision to ensure smooth migrations Redesigning and refactoring high-activity tables to improve performance and maintainability Developing frameworks and tooling for real-time monitoring of trading systems Modernising and upgrading legacy codebases, driving best practices in .NET development What We’re Looking For: Expert .NET Developer : Deep knowledge of .NET 8 and .NET 4.8 SQL Server Proficiency : Strong fundamentals in querying, table design, and ETL processing large datasets (performance tuning not required) ADO.Net Expertise : Familiarity with EntityFramework or other ORMs is a plus, but not essential Async & Multithreading Mastery : Experience in low-latency, data-driven applications Attention to Detail : Ability to spot rare, critical issues before they reach production Previous experience in the finance industry , ideally in trading systems Why This Role Is Exciting: Work remotely while tackling cutting-edge technical challenges Collaborate with a high-performing team on a strategic, high-impact programme Influence system design, architecture, and long-term performance improvements Competitive daily rates up to £700 If you’re a highly skilled .NET developer who thrives in challenging, high-stakes environments and loves working with complex, real-time systems, this is the perfect opportunity to make an impact. Seniority level Seniority level Mid-Senior level Employment type Employment type Contract Job function Job function Engineering, Consulting, and Information Technology Industries Investment Banking and Technology, Information and Media Referrals increase your chances of interviewing at CipherTek Recruitment by 2x Get notified about new Software Engineer jobs in United Kingdom .

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