Salary: £45,000 - 70,000 per year Requirements: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns Expertise in C# .NET Core, REST APIs, and microservices-based development Experience with data pipelines and analytics (Python - pyspark is a plus) Familiarity with developing dashboards and data models using Power BI Knowledge of microservices, API design, and event-driven architectures Experience with Azure DevOps, GitLab, GitHub Actions, or similar tools Proficient in Azure or AWS (Azure preferred) Strong skills in SQL Server, PostgreSQL, or other relational databases Experience with Docker and Kubernetes Responsibilities: Create and maintain full stack applications using React JS and C#.NET Core Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns Work closely with business stakeholders and domain experts in Risk, Regulatory Reporting, and Finance Utilize Power BI knowledge to develop dashboards and analytical reports Collaborate with DevSecOps to optimize CI/CD pipelines, ensuring automated testing and deployment Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team Technologies: API AWS Azure Backend C# CI/CD DevSecOps DevOps Docker GitHub GitLab JavaScript Kafka PostgreSQL Power BI Python PySpark REST React Redux SQL TypeScript microservices UX UI Design ASP.NET Cloud Support Kubernetes Fullstack More: We are seeking a Senior Full Stack Developer to join our dynamic team in London. In this role, youll leverage your expertise in React JS and C# .NET Core to build scalable applications within the financial sector. Our environment is collaborative and innovative, allowing you to work on cutting-edge projects alongside a talented team. We offer a competitive daily rate and flexible working arrangements, with an emphasis on creating a supportive and inclusive workplace. last updated 17 week of 2026