Senior Developer (Microsoft Dynamics & Integration)

This role supports the design, development, and continuous improvement of our technology solutions across Microsoft Dynamics 365, Power Platform, and Azure environments. You’ll work closely with architects, product teams, and external suppliers to deliver scalable, secure, and high-quality technical solutions. Along the way, you’ll contribute to transformation initiatives, strengthen integration capabilities, and help improve system performance and reliability. Reports to: Enterprise & Solution Architect What you'll be doing... What you’ll be doing…

• 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
• Create and enhance front-end components using JavaScript/TypeScript, HTML, and CSS
• 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 A little about you…
• Strong experience with Microsoft Dynamics 365, Power Platform, and Dataverse
• Proficient in C# and .NET for back-end and integration development
• Experience working with APIs (REST/SOAP) and authentication methods
• Strong knowledge of JavaScript/TypeScript and modern web technologies
• Experience with CI/CD, DevOps practices, and Azure services
• Good understanding of databases and data modelling principles
• Strong problem-solving skills and ability to manage complex technical issues
• Excellent communication skills with both technical and non-technical stakeholders
• Collaborative mindset and experience working with multiple stakeholders
• Proactive approach with a focus on continuous improvement A little bit about you... n/a A little bit more about us... We believe in building a diverse and inclusive culture and positive employee experience. We are One Team, more than just ourselves. We are customer first, we understand, and help solve our customers’ problems. We Test & Learn, we are empowered to learn and grow, unafraid of change. We choose to care, we are committed to doing the right thing, the right way. It’s really important to us that we give as much to our colleagues as they give to us. Our latest Belonging Survey showed that our colleagues feel valued and listened to as we continue to build an environment where everyone can thrive, grow, belong and be their authentic selves. We believe that diversity of thought, experience and background provides the platform for great creativity, We are committed to equal employment opportunities regardless of race, colour, ancestry, religion, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Many of our Colleagues work flexibly in many different ways. Please talk to us at interview about the flexibility you need. We can’t promise to give you exactly what you want, but we do promise not to judge you for asking. About our recruitment process…. 1. You find or get sent this job advert, read it, and feel like you’re you’d be a great addition to the JCD family. 2. You send in your application to let us know you’re interested. 3. We see your application, get excited, and give you a call. 4. You’ll meet us twice, depending on the role prepare a presentation and we’ll get to know each other. 5. You’ll begin your journey with us, we're excited to support and develop you throughout your career. We’re JCDecaux, the world’s largest Digital Out-of-Home media business. You’ll have used or seen our products, services and communication channels, even if you didn’t realise it was us, because they’re at the heart of communities on high streets and major roads and in transport hubs, shopping malls and supermarkets across the country in more than 80 countries worldwide. Our communication channels help businesses grow and thrive, and help non-commercial organisations reach the widest possible audience for their important messages. Our talented team make all this happen, working in a wide variety of roles to connect brands and communities. We’re really proud that 50p in every £1 of revenue is reinvested into the communities we serve, so we can provide innovative, environmentally-responsible infrastructure and services designed to make cities better for everyone. This principle has been at the heart of our business from the beginning. If you join us, you will make a real difference.