> Markdown version of [/jobs/ext/2838638-lead-c-developer-net-core-fintech](https://www.wearedevelopers.com/jobs/ext/2838638-lead-c-developer-net-core-fintech). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead C# Developer .NET Core - Fintech - **Company:** Client Server - **Location:** Newcastle upon Tyne, UK - **Experience:** Expert - **Salary:** £120,000.0 - £150,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, Java (Programming Language), Application Programming Interfaces (APIs), C Sharp (Programming Language), C++ (Programming Language), Code Review, Data Structures, Software Design Patterns, Distributed Systems, Python (Programming Language), Object-Oriented Software Development, Software Construction, Software Engineering, Data Processing, .NET Core, Backend, Information Technology, Integration Frameworks, Microservices - **Published:** September 11, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5878311042 ## About the Role * I require you to have achieved a minimum 2.1 BSc in Computer Science or a similar technical discipline from a top-tier/Russell Group university, backed by A's at A-level. * You should possess strong technical leadership skills. * Expertise in modern C# .Net Core is essential; Python skills would also be beneficial. I will also consider candidates with experience in other object-oriented languages, such as C++ or Java. * A strong knowledge of modern software engineering best practices along with experience across the full software development lifecycle is expected. * You should be a technologist who enjoys collaboration and problem-solving, particularly with complex, distributed systems. * A thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, and Algorithms is required. * I need you to be excited about joining a scaling company with a role that you can shape and influence. ## Description * As a Lead C# Developer / Backend Software Engineer, you will design and implement the logic behind core applications. * You will build APIs and microservices that handle data processing, business rules, and third-party integrations. * I expect you to oversee the configuration and upkeep of secure, reliable server environments. * You will work closely with internal teams and customers to gather detailed requirements through meetings and workshops. * Shape the product vision and roadmap by providing technical insight and feasibility guidance, remaining hands-on with architecture and design. * As a technical leader, you will instill best practices, conduct code reviews, mentor team members, and collaboratively address problems to help remove blockers and deliver high-quality software. Technologies: * Backend * C# * Java * OOP * Python * microservices * ASP.NET ## Related Videos - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [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) - [Functions Triggers using Azure Event Grids in Azure Blob Storage](https://www.wearedevelopers.com/videos/47-functions-triggers-using-azure-event-grids-in-azure-blob-storage) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Architectures that we can use with .NET](https://www.wearedevelopers.com/videos/935-architectures-that-we-can-use-with-net) - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)