Senior SharePoint Developer

Larbey Evans Ltd; Greater London; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Free lunch Wednesdays

Lunch subsidy toward expenses

Job summary

Confidential law firm client in the City is seeking a Senior SharePoint Developer with extensive experience migrating SharePoint 2016 on-premise to SE/Online. The role is permanent and hybrid, based in their City offices, combining hands-on development, maintenance, and intranet design.

Design, develop, and support custom solutions across SharePoint SE and Online; lead migration; build SPFx web parts and REST integrations; manage updates and governance; provide technical leadership and mentor

Qualifications

• Extensive experience migrating SharePoint 2016 on-premise to SE/Online.
• Strong SPFx development skills and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3).
• Experience integrating solutions via REST APIs, Microsoft Graph, C# and .NET.
• Hands-on management of on-prem SharePoint environments including patches and upgrades.
• Law firm experience is advantageous.

Responsibilities

• Design, develop, and support custom solutions across SharePoint SE and SharePoint Online.
• Lead migration of SharePoint 2016 on-premise 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.

Skills

SharePoint development

Front-end technologies

Team leadership

Tools

SPFx development

SharePoint SE

SharePoint Online

REST APIs

C#/.NET

Job description

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