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≈ $65k – $149k per year (Estimated)
Location
Hybrid (London, United Kingdom)
Employment
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Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 7, 2026. G MASS Consultancy scores A on the Alion truth index.

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Founded in 2023 as part of the Goodman Masson group, G MASS Consulting is a specialist resource augmentation and consulting firm headquartered in London, United Kingdom. The company specializes in delivering targeted technical expertise and skills-mapping solutions for the financial services industry. Utilizing its proprietary Talent Analytics Engine, G MASS provides specialized services spanning operational resilience, regulatory compliance remediation, digital asset product launches, cross-border expansion support, and enterprise change and transformation management.

G MASS Consulting are supporting a leading Lloyd's of London managing agency based in the City. We're looking for a SQL Server Developer to join their BI team on a 12-month fixed-term contract, covering a period of maternity leave. In this role, you'll create new and maintain existing SQL Server objects supporting an in-house developed data warehouse. You'll work closely with business users, internal clients and the wider BI team to analyse requirements and deliver technical solutions.

This role offers hybrid working, with 2-3 days per week in the office. Hours are flexible, based on a 7-hour working day with a start time between 8am and 10am. The role is available to start as soon as possible.

Responsibilities:

  • Develop SSRS reports, maintain SQL Server database objects and SSIS packages, and provide ad hoc data extracts
  • Work with clients, business users and the BI team to analyse requirements and recommend technical solutions
  • Troubleshoot issues and carry out business-as-usual tasks supporting clients and employees
  • Manage all changes in line with release procedures, including source control, peer reviews and full testing cycles
  • Provide technical support to SharePoint and web developers, including cover during absences
  • Help develop the business's API and cloud computing capabilities
  • Support the onboarding of new clients, working accurately to tight deadlines

Requirements

  • Minimum of five years' experience working as a developer
  • Strong T-SQL knowledge and a good understanding of the SQL Server stack, including SSRS and SSIS; SQL Azure preferred
  • C#, SharePoint, web development or API experience is an advantage
  • Strong analytical and documentation skills, with keen attention to detail
  • Excellent Microsoft Office skills, particularly Excel
  • Confident communicator, able to liaise with colleagues, clients and external companies
  • Able to prioritise multiple tasks and work accurately under pressure
  • Degree in a mathematical or IT discipline desirable, though relevant SQL Server experience will be considered
  • Insurance or Financial Services experience is a plus but not a requirement; experience in a live environment is desirable

Benefits

Length: 12-month fixed-term contract (maternity cover)

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