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Senior Product Engineer (.NET/C#/Claude Code) @ ION

Sir Bobby Robson Way, Newcastle upon TyneOnsiteFull-time
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About this role

Salary: £50,000 - 60,000 per year

Requirements: Several years of professional software development experienceComfortable independently delivering production softwareExperience with C# and .NET, or strong experience in another modern backend ecosystemExperience with TypeScript and modern JavaScriptExperience with Next.js or similar modern frontend frameworksExperience with modern web application developmentExperience with relational databases and data modellingExperience with APIs and integrationsExperience testing and debugging production applicationsExperience with Git and collaborative software developmentExperience with cloud infrastructure and application deploymentExperience reviewing code and making architectural decisions Responsibilities: Design, build and ship financial technology productsWork across the development lifecycle from understanding the problem through to getting software into productionExplore existing systems and codebases to understand product problemsTurn product requirements into implementation plansUse AI to accelerate implementation, review output, test it and ship it responsiblyWrite, refactor and review codeGenerate tests and investigate bugsResearch unfamiliar technologies and produce documentationAutomate repetitive engineering workTake ownership of problems and contribute to better software design and architecture Technologies: AIBackendC#CloudFrontendGitJavaScriptTypeScriptWebASP.NETAzureBlazorClaude CodeCopilotCursorGitHubLESSMachine LearningSageSecurity More:

We are ION, the UKs leading provider of financial infrastructure in the education sector. Our mission is to enable education providers to achieve financial sustainability through technology, innovation and data-driven insights. We help CFOs and finance teams in education work smarter and faster using modern cloud technology, and we are the UKs No. 1 cloud accounting technology provider for education and Sages No. 1 education partner. Our development team builds the technology behind our existing products as well as the next generation of software we believe the sector needs. We use modern AI development tools across our engineering workflow and encourage experimentation with new ways of building software. This role is a hybrid position based in our Great Park office, with 3 days in the office and 2 days at home, and includes benefits such as a company share option scheme, 25 days annual leave, birthday off, flexible working hours, pension, free onsite parking, casual dress, sick pay and modern AI development tooling.

last updated 38 week of 2026

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