Senior Software Engineer

Company Our client is a fast-growing fin-tech with base in Newcastle city centre. The business has range of solutions to support real-time trading of complex financial products, with a customers based in major financial centres worldwide. They are a highly innovative business, demonstrating engineering excellence to build high-performance solutions that underpin millions of transactions every day.Role

We’re seeking a Senior Software Engineer with strong expertise in C#/.NET and modern JavaScript frameworks (React, TypeScript) to join our product engineering team. You’ll design and implement scalable, secure, and high-performance systems for a global trading platform, collaborating closely with product, operations, and QA teams.

Key responsibilities include:

• Building and optimising real-time client/server architectures.
• Driving innovation through automation and best practices.
• Mentoring junior developers and conducting code reviews.
• Contributing to agile processes and CI/CD pipelines.
• Responding to critical technical issues and ensuring system reliability.

This is a full-time, hybrid role requiring 3 days per week in our Newcastle city centre office, so locally based candidates are preferred. 

Person

Candidates will need;

• Excellent development skills, preferably 5+ years in C#/.net (including multithreading), and experience in React/TypeScript.
• Experience in capital markets/ derivatives trading or similar would be highly beneficial.
• More generally exposure to the investment/banking sector, gambling or crypto would all be of interest. 
• Strong problem-solving skills and attention to detail. You'll be taking a lead role in the design and build of new features, understanding the requirements and making decisions to ensure the solution meets customer demands.
• Excellent communication skills. The client are a small business and you'll work closely with product teams. An ability to translate user-tech and tech-user speak is essential.
• A passion for software development and emerging technologies.

We offer a competitive salary, performance bonus, private medical insurance, pension scheme, and other benefits.