Senior Software Engineer Enterprise Payroll & Financial Systems (2 Roles) Our client is undertaking a strategic 18-month investment programme to strengthen and modernise their enterprise Payroll & Billing technology landscape.
They are seeking two senior contract engineers to take hands-on ownership of a complex, high-volume financial ecosystem and materially improve its resilience, performance, and architectural clarity.
This is a high-impact contract role with executive sponsorship and a clear mandate.
The Opportunity The successful candidates will: Own production-critical payroll and billing systems Optimise SQL-heavy financial workflows Resolve deep-rooted performance and reliability issues Strengthen architectural foundations Reduce operational and integration risk Prepare the environment for future transformation This role combines production ownership with structured technical improvement.
It is not maintenance it is system strengthening within a live enterprise environment.
Technical Environment C# / .
NET (legacy and modern components) SQL Server (stored procedureheavy architecture) Azure-based infrastructure Middleware and file-based integrations Business-critical, tightly integrated systems Candidates must be comfortable operating in complex, mature enterprise environments.
Required Profile 8+ years commercial engineering experience Deep C# / .
NET expertise Advanced SQL Server performance tuning experience Experience in financial, payroll, billing, or high-volume transactional systems Proven ability to stabilise and improve live production systems Comfortable working autonomously in loosely documented environments Contract Details 18-month contract Hybrid model (2 days onsite preferred) Immediate start preferred #LI-JM2 Skills: .
net SQL C#