Job Title: Lead Software Engineer Location: HQ – Harrogate /Hybrid Salary: Circa £80k Reporting to: CPTO (Chief Product & Technology Officer Employment Type: [Full-Time / Permanent About the Role: Our client is looking for a Lead Software Engineer to join the growing team and take a pivotal role in the ongoing development of their platform. You will architect and build a scalable web application, collaborating closely with the CPTO and wider team to shape the technical direction and deliver high-impact solutions. As Lead Engineer, you will take technical ownership of your work, influence architectural decisions, and help drive best practices across the engineering function. Key Responsibilities: * Design, build, and maintain scalable web applications using Ruby on Rails * Collaborate with cross-functional teams to define, design, and implement new features * Own and optimise relational database structures (PostgreSQL) * Troubleshoot, debug, and enhance application performance * Work with customer success teams to resolve complex technical issues * Contribute to a culture of testing and clean code through TDD and code reviews Required Skills & Experience: * 3+ years' commercial experience with Ruby on Rails * Strong experience with PostgreSQL * Solid understanding of API design and development * Proficiency in front-end technologies: HTML, CSS, JavaScript, jQuery ...