Senior SharePoint Developer

Senior SharePoint Developer

Our prestigious US law firm client is seeking a highly skilled Senior SharePoint Developer with extensive experience migrating SharePoint 2016 on-premise solutions to modern SharePoint platforms. This permanent role, based in their stunning City offices, combines hands‑on custom development, system maintenance, and intranet design.

• Salary to £100,000
• Hybrid working (3 days office / 2 days remote)
• Free lunch every Wednesday
• Generous employee contribution allowance towards lunch or other expenses

Senior SharePoint Developer Key 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

Senior SharePoint Developer Skills & 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