Senior SharePoint Developer and Administrator - #2093873

Senior SharePoint Developer & Administrator

We are partnering with a leading global law firm, known for working with high-profile international clients on complex and business-critical matters. With a strong presence across key financial centres, the firm offers a collaborative, forward-thinking environment where technology plays a central role in driving innovation and efficiency.

They are now seeking an experienced Senior SharePoint Developer & Administrator to join their London team.

The Role

This is a senior, hands-on position combining SharePoint development, modernisation, and platform administration across both SharePoint Subscription Edition (on-prem) and SharePoint Online.

You will play a key role in transforming legacy environments, delivering modern intranet experiences, and ensuring the ongoing stability, performance, and security of enterprise SharePoint platforms.

Key Responsibilities

Development & Modernisation

• Design and deliver custom SharePoint solutions across SharePoint SE and SharePoint Online
• Lead migration of SharePoint 2016 environments to modern platforms
• Redevelop legacy web parts using SPFx (SharePoint Framework)
• Build custom components using TypeScript, JavaScript, React, and REST APIs
• Develop and enhance enterprise intranet platforms (architecture, navigation, branding)
• Integrate SharePoint with internal systems and third-party applications via Microsoft Graph and APIs

Administration & Operations

• Administer SharePoint environments (on-prem and cloud)
• Perform patching, upgrades, and ongoing maintenance
• Monitor performance, availability, and system health
• Manage permissions, authentication, governance, and compliance
• Support backup, disaster recovery, and troubleshooting

Integration & Data Connectivity

• Configure and manage Business Connectivity Services (BCS)
• Develop integrations with external data sources (e.g., SQL Server, web services)
• Ensure secure, scalable, and well-governed data connectivity

Leadership & Collaboration

• Provide technical leadership and mentor junior team members
• Work closely with stakeholders to deliver solutions aligned to business needs
• Maintain clear documentation (architecture, runbooks, and processes)
• Recommend improvements to platform architecture and development standards

About You

• Extensive experience with SharePoint Online and SharePoint Subscription Edition (SE)
• Proven track record of migrating SharePoint 2016 environments
• Strong expertise in SPFx development and modern front-end technologies
• Proficiency in TypeScript, JavaScript, React, HTML5, CSS3
• Experience integrating systems using REST APIs and Microsoft Graph
• Solid background in C#, .NET, and SQL Server
• Strong understanding of SharePoint governance, security, and authentication models
• Excellent troubleshooting, analytical, and communication skills

Desirable Experience

• Large-scale intranet design and delivery
• Microsoft Power Platform (Power Apps, Power Automate)
• Azure services (Azure AD, Functions, App Services)
• Relevant Microsoft or SharePoint certifications

What's on Offer

• Opportunity to lead complex SharePoint transformation projects
• Exposure to enterprise-scale, global systems
• Collaborative and high-performing technology team
• Hybrid working model (3 days in-office)
• Competitive salary and benefits package

Due to the high volume of applications, we are not able to respond to all enquiries. If you have not received a response within 72 hours, please assume you have not been shortlisted at this stage, however thank you for taking the time to apply.

Ryder Reid Legal is a recruitment specialist. For over thirty years we've been connecting legal talent with many of the leading law firms in London and internationally. Follow our LinkedIn page for the latest vacancies.