Lead Systems Engineer / Developer

Lead Systems Engineer / Developer Location: Warmley, Bristol Salary: £45,000–£50,000 (depending on experience) Job Type: Permanent, Full Time About Hagerty Digital At Hagerty Digital, we're expanding our Systems & Integrations team to support a major long-term client transformation programme. This is an opportunity to join a growing agency and play a key role in delivering complex, business-critical technology projects. We're looking for either a Senior Developer ready to take the next step into a leadership position, or an experienced Lead Developer / Systems Engineer who enjoys taking ownership of technical solutions from design through to delivery.

The Role You'll lead the technical delivery of a significant systems transformation programme involving CRM implementation, systems integration, custom middleware development, and, in the near future, a large-scale ERP migration. Working closely with our internal development team, leadership, and the client, you'll help define technical architecture, guide a small team of developers, and ensure multiple business systems work seamlessly together. This is a hands-on technical role with genuine ownership and the opportunity to shape long-term solutions.

We will also be inheriting a Coollogic Android app being built on native Java in the near future as part of this project. Key Responsibilities Lead and mentor a small systems and software development team Design, build and maintain custom middleware and system integrations Work extensively with SQL-based databases and business systems Integrate CRM, telephony, accounting software and other third-party platforms using APIs Support wider full-stack development where required Collaborate with stakeholders to translate business requirements into technical solutions Help modernise and migrate legacy platforms into a newly managed environment Take technical ownership of a future ERP implementation and integration project Support Hagerty Digital's wider development team on selected client projects About You We're looking for someone with a strong technical background who enjoys solving complex integration challenges and can confidently lead technical delivery. Ideally you'll have: Strong hands-on SQL experience A solid full-stack development background Experience designing and developing APIs, integrations and middleware Experience working with CRM, ERP or other business-critical systems The ability to understand, modernise and integrate legacy platforms Good knowledge of HTML, CSS, JavaScript and modern web technologies Exposure to Magento or other ecommerce platforms (desirable, not essential) Previous experience working within an agency or other fast-paced project environment The confidence to take technical ownership and support less experienced developers Around five years' commercial development experience Why Join Us?

This role would suit someone who enjoys untangling complex technical problems, working across multiple interconnected systems, and playing a leading role in delivering large-scale digital transformation projects. You'll have the opportunity to influence architecture, work directly with senior stakeholders, and help shape the future direction of a growing Systems & Integrations function within Hagerty Digital. Working Pattern This is primarily an office-based role from our Warmley, Bristol office, with flexibility where appropriate.

Occasional travel to client or vendor sites may be required as part of project delivery.