Senior Software Engineer

Salary: £28,000 - 68,000 per year

Requirements:

• Strong hands-on engineering capability: current, active coding ability in Go, Node.js, React and Python, and comfort being one of the most active coders in the squad
• Automation and integration skills: experience building automation or integrations that improve business processes or connect systems reliably, including APIs and third-party platforms
• Mentoring and support for others: a track record of supporting less experienced engineers through code reviews, pairing or informal mentoring, without needing to be the formal technical authority
• Collaboration and communication: confidence working with cross-functional stakeholders, and the ability to explain technical concepts in plain, business-friendly language
• Ownership and accountability: a genuine belief in you build it, you support it, with the discipline to monitor and resolve issues in what you own

Responsibilities:

• Build and ship production code as a core hands-on contributor within a cross-functional product squad
• Design and build automation and integration solutions across internal systems and third-party platforms, reducing manual effort
• Apply sound performance and architectural judgement to keep what you build maintainable and scalable, in line with direction set by the Principal Engineer and Team Lead
• Write clean, well-tested code in Node.js, React, Python and Go, meeting our standards for performance, scalability and security
• Support junior and mid-level engineers through pairing, code reviews and technical discussion, contributing to a collaborative engineering culture

Technologies:

• Support
• LESS
• Python
• React
• Security
• NodeJS
• AI
• JavaScript

More:

We are the Services Systems Engineering team, delivering technical solutions that improve how our internal teams operate across the business. We work closely with product, platform, architecture, operations and business stakeholders to understand problems, design practical solutions, and build sustainable software that supports real business outcomes. Our solutions range from system integrations and automation through to full application development, deployment, support and ongoing improvement. This is a hands-on Senior Software Engineer role within one of our product squads, operating as part of our Product and Platform model. You will work closely with Product, the Team Lead and the Principal Engineer, with strong individual delivery and sound technical judgement. We offer a supportive, collaborative and innovative environment, with flexible working patterns including hybrid working, flexible hours, and flexibility around school pick-up and drop-offs. We also support applicants who may need adjustments during the recruitment process. The role is based in Marlow and is full time, permanent.

last updated 36 week of 2026