Senior SharePoint Developer

Salary: £45,000 - 85,000 per year

Requirements

• Law firm experience highly advantageous
• Extensive experience developing and administering SharePoint Subscription Edition (SE) and SharePoint Online, including migration from SharePoint 2016 on-premise
• Strong expertise in SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3)
• Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET
• Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting
• Experience with Business Connectivity Services (BCS), External Content Types (ECTs), and SQL Server design and optimisation

Responsibilities

• Design, develop, and support custom solutions across SharePoint Subscription Edition (SE) and SharePoint Online
• Lead migration of SharePoint 2016 on-premise solutions to SE and Online
• Build SPFx web parts, extensions, and integrations using TypeScript, JavaScript, React, and REST APIs
• Manage updates, patches, and service packs to ensure stability, security, and compliance
• Administer service and web applications, site collections, permissions, authentication, and governance
• Provide technical leadership and mentor junior team members
• Collaborate with project managers, business analysts, and stakeholders to deliver solutions aligned to requirements
• Recommend improvements to development standards, governance, and platform architecture

Technologies

• C#
• HTML5
• Support
• JavaScript
• REST
• React
• SQL
• Security
• SharePoint
• TypeScript
• Web
• ASP.NET

More

We are a prestigious US law firm seeking a highly skilled Senior SharePoint Developer to join our team in our stunning City offices. This permanent role combines hands-on custom development, system maintenance, and intranet design. We offer a competitive salary of up to £100,000, hybrid working arrangements (4 days in the office and 1 day remote), and benefits such as free lunch every Wednesday and a £100 monthly employee contribution towards lunch or other expenses.

last updated 24 week of 2026