Hybrid .NET & React Software Engineer (SaaS)

Company: Addition Solutions Ltd
Apply for the Hybrid .NET & React Software Engineer (SaaS)
Location: Leeds
Job Description:

Addition Solutions Ltd is seeking a Mid-Level Software Engineer in Leeds to join a growing Cyber Security SaaS business. You will split time 60% backend (.NET) and 40% frontend (React), building features for a cloud-based platform and using AI-assisted development tools to improve efficiency.

We’re looking for a candidate with 2+ years in software engineering, experience in .NET and React, and familiarity with AWS and relational databases. Hybrid work and a competitive salary are offered.

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Posted: September 15th, 2026