> Markdown version of [/jobs/ext/3909527-application-developer-microsoft-dynamics-365-finance](https://www.wearedevelopers.com/jobs/ext/3909527-application-developer-microsoft-dynamics-365-finance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Developer - Microsoft Dynamics 365 Finance - **Company:** Hays plc - **Location:** London, UK (Remote available) - **Salary:** £104,000.0 - **Contract:** Temporary contract - **Skills:** Application Performance Management, Software Quality, Systems Integration, X++ (Programming Language), Microsoft Dynamics 365 Finance & Operations - **Published:** October 26, 2026 - **Apply:** https://www.reed.co.uk/jobs/application-developer-microsoft-dynamics-365-finance/57492068 ## About the Role What you'll need to succeedEssential skills and experience * Strong hands-on Microsoft Dynamics 365 Finance & Operations experience. * Advanced X++ development skills. * Experience delivering complex D365 integrations. * Experience with third-party payment connectors and sales order integrations. * Batch job configuration, monitoring and optimisation. * Environment management covering LCS, deployments and pipelines. * Strong technical troubleshooting and root cause analysis capability. * Experience designing scalable and maintainable technical solutions. * Knowledge of retail processes including POS, order lifecycle, payments and inventory. * Strong focus on code quality and performance. What you'll get in return * £400 per day * Remote working How to applyIf you're interested in this opportunity, apply with your latest CV, availability and preferred location. If this role isn't quite right for you, please get in touch for a confidential discussion about similar opportunities. ## Description Your new companyYou'll be working on a contract assignment with IBM, supporting a Microsoft Dynamics 365 Finance & Operations environment within the ERP space. Your new roleAs a Microsoft Dynamics 365 Finance & Operations Application Developer, you'll provide hands-on technical development across D365 F&O, with a particular focus on X++, complex integrations, retail processes, performance and technical troubleshooting. Key responsibilities * Develop and maintain solutions within Microsoft Dynamics 365 Finance & Operations. * Deliver advanced development using X++. * Build and support complex D365 integrations. * Work with third-party payment connectors and sales order integrations. * Configure, monitor and optimise batch jobs. * Manage environments, including LCS, deployments and pipelines. * Perform deep technical troubleshooting and root cause analysis. * Design scalable, maintainable technical solutions. * Support retail processes covering POS, order lifecycle, payments and inventory. * Maintain a strong focus on code quality and application performance.