Senior Software Engineer

Ryft; Sheffield; On-site; GBP 55,000 - 75,000; Full time

Job summary

A fintech start-up in Sheffield is seeking a Senior Software Engineer with at least 5 years of experience in backend development. The ideal candidate should have strong expertise in the C# .NET ecosystem and a preference for AWS experience. This position involves developing high-quality backend applications, contributing to architectural decisions, and collaborating with cross-functional teams to enhance platform features. Ideal for a problem solver eager to work on innovative projects without legacy constraints.

Qualifications

• Minimum of 5 years of experience in backend development.
• Strong background in C# .NET ecosystem.
• Experience with AWS is preferred.

Responsibilities

• Develop and test backend applications.
• Analyse and maintain existing software.
• Design highly scalable, testable code.
• Identify and resolve programming bugs.
• Contribute to architectural and technical decisions.
• Collaborate with cross-functional teams.

Skills

C# .NET

Testing software

NoSQL databases

AWS experience

CI/CD tools

Tools

Github

Docker

Kubernetes

React

Job description

About the Job

This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS.

Are you ready for a challenge? We’re looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won’t be bogged down by legacy code—you’ll have the opportunity to build innovative, greenfield projects. You’ll be responsible for developing high-quality applications across our platform, as well as designing and implementing testable, scalable code. The ideal candidate is a problem solver, eager to dive into new technologies, and ready to contribute to architectural decisions as we scale.

Responsibilities

• Develop and test backend applications
• Analyse and maintain existing software
• Design highly scalable, testable code
• Identify and resolve programming bugs
• Contribute to architectural and technical decisions
• Collaborate with cross-functional teams to define and refine platform features

Technical Skills Required

• Proficiency in C# .NET
• Experience in testing software and version control
• Familiarity with NoSQL databases
• AWS experience
• Experience with CI/CD tools (e.g., Github)

Nice to Have

• Experience with microservices architecture
• Familiarity with RESTful APIs
• Exposure to Docker or Kubernetes
• Experience with React or Native App development

If you’re excited about working in a fast-paced, collaborative environment and want to be part of a team that’s shaping the future of fintech, we’d love to hear from you!