Senior Full Stack Developer

Ronald James Group; Newcastle upon Tyne; On-site; GBP 70,000 - 90,000; Full time

Job summary

Ronald James Group is seeking an experienced Senior Full Stack Software Engineer to join our growing engineering team within a financial services organisation. This hands-on role covers the full stack, building secure, scalable applications for a business-critical environment.

You will design and implement using C# and .NET, React with TypeScript, RESTful APIs, Azure, and SQL Server, contributing to architecture, CI/CD and high-quality code.

Qualifications

• Senior-level Full Stack software engineer with hands-on experience across the full stack.
• Strong knowledge of C#, .NET Core, React and modern frontend frameworks.
• Experience designing and consuming RESTful APIs and backend services.

Responsibilities

• Design, develop and maintain high-quality applications in C#/.NET.
• Build modern UIs with React and TypeScript.
• Develop and integrate RESTful APIs and backend services.
• Work with Azure to deploy and support cloud-based apps.
• Contribute to architectural decisions and engineering standards.
• Write clean, well-tested code and participate in CI/CD pipelines.

Skills

C#

NET Core

React

TypeScript

Azure

RESTful APIs

SQL Server

Entity Framework Core

Job description

We’re looking for an experienced Senior Full Stack Software Engineer to join a growing engineering team within an established financial services organisation.This is a hands-on development role where you’ll work across the full technology stack, building and enhancing secure, scalable applications used within a business-critical financial environment. You’ll have the opportunity to influence technical decisions, contribute to architecture and engineering standards, and work closely with other developers, product teams and stakeholders to deliver high-quality software.

Key Responsibilities

• Design, develop and maintain high-quality applications using C# and .NET.
• Build modern, responsive user interfaces using React and TypeScript.
• Develop and integrate RESTful APIs and backend services.
• Work with Azure to build, deploy and support cloud-based applications.
• Contribute to technical design and architectural decisions.
• Write clean, maintainable and well-tested code.
• Contribute to CI/CD pipelines and modern software delivery practices.

Technology Stack

• C#
• .NET / .NET Core
• RESTful APIs
• Entity Framework Core
• React
• Microsoft Azure
• SQL Server
• Entity Framework Core

Experience within financial services, fintech, payments, trading or other regulated environments would be advantageous, particularly where you've worked on systems requiring high levels of security, reliability and performance.