Senior Dynamics 365 & Integration Engineer

JCDecaux UK; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

JCDecaux UK is seeking a skilled software engineer to design, develop and continuously improve technology solutions across Microsoft Dynamics 365, Power Platform, and Azure. You’ll work closely with architects, product teams and external suppliers to deliver scalable, secure integrations, optimise performance and contribute to DevOps practices.

You will collaborate with architects and product teams to translate designs into reliable, high‑quality technical solutions, while mentoring junior

Qualifications

• Strong experience with Microsoft Dynamics 365, Power Platform and Dataverse.
• Proficient in C# and .NET for back-end and integration development.
• Experience with APIs (REST/SOAP) and authentication methods.
• Experience with CI/CD, DevOps practices, and Azure services.
• Good understanding of databases and data modelling principles.

Responsibilities

• Design, develop, and maintain customisations and extensions within Microsoft Dynamics 365 and Dataverse.
• Build and maintain C# (.NET) server-side plugins, workflows, and integration services.
• Develop integrations with external APIs (REST, SOAP, webhooks) with strong error handling and resilience.
• Work closely with architecture teams to translate designs into scalable technical solutions.
• Collaborate with third-party suppliers to ensure quality and alignment with internal standards.
• Support live operations including issue resolution, releases, and performance improvements.
• Develop and maintain CI/CD pipelines and apply DevOps best practices.
• Contribute to data modelling, integration strategies, and performance optimisation.
• Participate in code reviews, design reviews, and technical documentation.
• Troubleshoot and resolve complex technical issues across systems
• Provide input into planning, estimation, and technical risk assessment
• Mentor junior developers and promote best practice across the team

Skills

Microsoft Dynamics 365

Power Platform

Dataverse

C# / .NET

REST & SOAP APIs

CI/CD & DevOps

Azure services

Data modelling

Problem solving

Stakeholder communication

Tools

Azure DevOps

Job description

JCDecaux UK is seeking a skilled software engineer to design, develop and continuously improve technology solutions across Microsoft Dynamics 365, Power Platform, and Azure. You’ll work closely with architects, product teams and external suppliers to deliver scalable, secure integrations, optimise performance and contribute to DevOps practices.

You will collaborate with architects and product teams to translate designs into reliable, high‑quality technical solutions, while mentoring junior