3700 IT & Software Developer jobs in the UK

Senior Outlook Add-in Developer
£132,000 - 143,000
Oscar Associates Limited
Silver Street 12, Yorkshire And The Humber
£132,000 - 143,000
Requirements
Must:
- Experience delivering Outlook add-ins within enterprise environments
- Strong hands-on skills with Office.js, JavaScript or TypeScript, HTML, and CSS
- Deep understanding of Microsoft 365, Exchange Online, and behavioral differences between Outlook clients
- Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth / Azure AD)
- Exposure to CI/CD pipelines, Git-based version control, and automated testing practices (nice to have)
- Experience with Azure services such as App Services, Functions, Storage, or Key Vault (nice to have)
Responsibilities
- Architect, develop, and enhance Outlook add-ins using modern Microsoft frameworks and tools
- Ensure add-ins deliver a consistent experience across all Outlook clients, including desktop, browser, and mobile
- Connect add-ins to backend systems, APIs, and identity services such as Microsoft Graph and Azure Active Directory
- Collaborate closely with product owners, architects, QA, and operations
- Maintain compatibility across Exchange on-premises and Exchange Online deployments
- Produce and maintain technical documentation, design guidelines, and development standards
Description
We are seeking an experienced Senior Outlook Add-in Developer to join our team on a 10-month contract, paying between £500-£550 per day. This hybrid role is based in South Yorkshire, requiring 2-3 days in the office each week. You will support add-in solutions within enterprise-scale messaging environments, focusing on building robust, cross-platform Outlook add-ins that perform across various clients. We are committed to equal opportunities and welcome applications from diverse backgrounds.
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The company with most openings is Experis as they are hiring for 94 different DevOps jobs in the UK. They are probably quite committed to find good DevOps.