Application Developer

Company: Proactive Appointments
Apply for the Application Developer
Location: London
Job Description:

Application Developer

London | Hybrid – 3 days on-site per week | Market Salary – Dependent on Experience | Permanent

Our London-based client is seeking an Applications Developer with 3-5 years’ experience to join their team on a permanent basis. You’ll become part of a collaborative IT function that is embracing modern technologies while maintaining a strong service-focused culture. As part of the Applications & Development team, you’ll play a key role in developing, enhancing, and supporting business-critical applications, helping to deliver secure, efficient, and innovative technology solutions across the organisation. Working alongside a well-established IT department, you’ll contribute to the ongoing modernisation of systems and processes while ensuring applications continue to meet the evolving needs of the business.

Key responsibilities

  • Developing and maintaining .NET applications.
  • Designing and building new software solutions.
  • Supporting and improving existing systems.
  • Working closely with colleagues and stakeholders to understand requirements.
  • Troubleshooting and resolving application issues.
  • Producing technical documentation.
  • Keeping systems secure, up to date, and following development best practice.
  • Staying up to date with new technologies, including Azure, AI, and the Microsoft Power Platform.

Experience Required

  • C#/.NET, ASP.NET and .NET Core.
  • SQL Server.
  • JavaScript, HTML and CSS.
  • REST APIs.
  • Microsoft Azure.
  • Azure DevOps and Git.
  • SharePoint Online.
  • Power Automate (Microsoft Power Platform).
  • Strong communication and problem‑solving skills.

Desirable Experience

  • Power BI or SSRS reporting.
  • Microsoft Office development (VBA/.NET).
  • ITIL environments.
  • AI services within Microsoft Azure.

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Posted: July 21st, 2026