Full Stack Engineer

Full Stack Engineer
London / Hybrid 4 Days Onsite
FTC £70,000 - £85,000

Harrington Starr has partnered with a leading financial services firm who are undergoing a major transformation of its internal technology landscape, modernising a suite of business-critical applications used across front office, compliance and operations teams.

They are now looking for an experiencedFull Stack Engineerto join their Technology function and play a key role in migrating legacy SharePoint systems into a modern application portal built with contemporary web technologies. This is a high-impact role working closely with both technical teams and senior business stakeholders.

• Design and build full stack applications usingC#, SQL Server and React
• Support and maintain live SharePoint applications during the transition phase
• Work within agile sprint cycles to deliver high-quality solutions
• Collaborate with business users to translate requirements into technical designs
• Ensure compliance with cyber security, data protection and regulatory standards
• Act as a technical escalation point within the Technology team
• Produce clear documentation and support knowledge transfer to BAU teams
• Work with third-party vendors where required

• 3+ years' experience building applications withC#, SQL and React
• 2+ years' experience developing or supportingSharePointsystems
• Strong front end skills (HTML, CSS, JavaScript)
• Experience working in agile delivery environments
• Exposure to regulated industries (financial services preferred)
• Strong communication skills and stakeholder management ability

• Work on a large-scale modernisation programme with real business impact
• High level of autonomy and technical ownership
• Exposure to multiple areas of financial services
• Hybrid working with flexibility
• Opportunity to shape long-term internal platforms

This is an excellent opportunity for a hands onFull Stack Software Engineerto join a highly visible programme of work within a regulated financial environment. You'll be responsible for redesigning and rebuilding core internal applications, ensuring they are scalable, secure and aligned with long term business needs.

You'll be involved across the full lifecycle - from requirements gathering and system design through to development, deployment and handover into support.

Please apply via the link provided or reach out for a confidential conversation