Full job descriptionSenior 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.