Salary: £60,000 - 65,000 per year Requirements: Strong experience as an Application Support Developer or in a support-led development role Comfortable working on bugs, tickets, and small fixes rather than large feature builds Experience supporting live production systems Confidence debugging legacy code and mixed technology stacks Strong SQL skills for investigation and fixes Calm, methodical approach to problem solving Responsibilities: Debugging and fixing production issues Making small targeted code changes Supporting and maintaining multiple applications Investigating data and reporting issues Collaborating closely with support teams and other developers Managing tickets raised through 1st, 2nd, and 3rd line support in a Kanban-style environment Technologies: Support Kanban SQL ASP.NET C# Java SSIS More: We are recruiting a Senior Application Support Developer to join our technology team responsible for maintaining and supporting a large, business-critical application estate. This role offers a base salary of £65,000 plus a £6,000 car allowance and up to a 10% bonus. We value problem-solving skills and a methodical approach, and you will work in a hybrid pattern with 2 days per week onsite in West Yorkshire. last updated 8 week of 2026