Location
London

Hours
Contract - Full Time

About the Role
AND Digital is a tech company focused on accelerating digital delivery and closing the digital skills gap. Since 2014, we have helped organisations build better digital products and stronger digital teams through our regional offices, known as 'Clubs', fostering close partnerships and prioritised support. We have grown organically to over 1,300 people across the UK, Europe, and the USA, with plans for global expansion.

We are seeking an experienced Senior Sitecore Engineer to join an established engineering team supporting a large-scale digital platform for Macmillan. This hands-on senior engineering role involves providing technical leadership within an existing squad to raise engineering standards, improve delivery pace, and enable greater team autonomy.

The Engineering Manager is currently heavily involved in day-to-day technical delivery. Your role will be to become a trusted senior technical presence, allowing the Engineering Manager to focus on strategic leadership, people management, and engineering capability across multiple teams. This is an excellent opportunity for someone who enjoys mentoring others, driving technical excellence, and leading by example while remaining close to the code.

What You'll Be Doing
- Act as the senior technical engineer within an established Sitecore delivery team
- Provide hands-on development across the Sitecore platform and wider .NET ecosystem
- Support the squad in delivering high-quality, scalable, and maintainable solutions
- Coach and mentor engineers, raising the overall technical capability of the team
- Drive engineering best practices including code quality, testing, security, and performance
- Review architecture and technical designs, providing guidance where needed
- Help unblock technical challenges and reduce delivery bottlenecks
- Work closely with Product Managers, Delivery Leads, and the Engineering Manager to ensure smooth delivery
- Encourage knowledge sharing and foster a collaborative engineering culture
- Champion continuous improvement across development processes, tooling, and ways of working
- Enable the team to become increasingly self-sufficient, reducing reliance on day-to-day Engineering Manager involvement

Experience
- Extensive commercial experience developing enterprise applications using Sitecore
- Strong experience with C# and the .NET ecosystem
- Experience working with modern Sitecore implementations, including Sitecore XP/XM (Headless experience desirable)
- Strong understanding of object-oriented design principles and software engineering best practices
- Experience working with REST APIs and system integrations
- Solid understanding of Azure-hosted applications and cloud-native development
- Experience working with Git and modern CI/CD pipelines
- Strong debugging and problem-solving skills
- Experience working within Agile delivery teams
- Comfortable mentoring engineers and providing technical leadership without direct line management responsibilities

Desirable Experience
- Sitecore Headless or JSS
- Experience with Azure DevOps
- Infrastructure as Code (Terraform/Bicep)
- Docker and containerisation
- Front-end technologies such as React, Next.js or Angular
- Experience improving engineering standards across established teams
- Experience working within consultancy or complex enterprise environments

About You
You are a proactive and collaborative senior engineer who enjoys mentoring others and driving technical excellence. You thrive in a fast-paced environment and are passionate about continuous improvement and delivering high-quality software solutions. You value teamwork and are eager to foster a culture of knowledge sharing and autonomy within your squad.

Qualifications
No specific formal qualifications are required, but extensive hands-on experience with Sitecore and the .NET ecosystem is essential.