Senior Back End Developer
Senior DotNet Backend Developer – WealthTech SaaS Platform – London, UK – 6 Month Contract (Outside IR35) - Immediate start
A global wealth management technology provider is seeking multiple DotNet Backend Developers to contribute to its core enterprise SaaS platform used by private banks and wealth management firms.
We’re looking for developers who are passionate about software development, with strong back-end skills using .NET Core / C# and proven experience building and supporting cloud-based SaaS platforms on Microsoft Azure.
You must have a background in financial services, FinTech or wealth management.
Backed Development
- Work across the full software development lifecycle (SDLC), from requirement gathering to testing and deployment
- Design and develop robust backend services using .NET Core / C#
- Build and maintain scalable RESTful APIs and collaborate with front-end developers on UI integration
- Develop and maintain Azure-native services supporting a multi-tenant SaaS platform
- Work with asynchronous and event-driven processing (e.g. messaging, background services)
- Troubleshoot, refactor, and optimise code for performance, security and maintainability
- Participate in design reviews and contribute to technical architecture discussions
- Develop new features and maintain functionality on an existing enterprise software product
- Coordinate workflows with analysts, developers, and DevOps engineers
- Implement data audit trails, archiving processes, batch workflows and system recovery
- Integrate external APIs and manage secure data flow with SQL Server and related tools
What You Bring
- Minimum of 5 years of hands-on experience with .NET backend development
- Experience in financial services, FinTech or wealth management environments
- Strong proficiency in .NET Core / C#, SQL, Web API and RESTful services
- Proven experience working on SaaS platforms
- Strong experience using Microsoft Azure in production environments
- Good understanding of backend architecture, performance optimisation and security
- Experience working with system integrations and external APIs
Nice to Have
- Familiarity with Microsoft Dynamics CRM or similar systems
- Exposure to Azure services: Service Bus, Key Vault, Storage, App Services
- Experience with ETL, batch processing, or data pipelines
We welcome all qualified persons to apply regardless of race, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.