SQL Developer

SC Cleared - SQL Developer/DBA Location: Hybrid - 3 days per week in Stratford Rate: £400-£500/day - OUTSIDE IR35 Duration: 3 months (initial) Start: ASAP Security Clearance: Active SC required (non‑negotiable) We're working with a leading consultancy on a critical public sector programme, and are looking for an experienced SQL Developer / Database Specialist to join on an initial 3‑month contract. This is a hands-on role focused on high‑performance SQL development and database optimisation within a complex, enterprise-scale data environment. You'll play a key role in ensuring performance, scalability, and reliability across critical systems. Key Responsibilities Tuning and optimising complex SQL queries at scale Designing and maintaining robust database architectures (OLTP / OLAP) Supporting a multi-layered ecosystem including SQL Server, IIS, and Elasticsearch Building and maintaining ETL pipelines and data integration processes Ensuring data integrity, security, and performance across systemsExperience Required Strong background in SQL Development / Database Engineering / DBA roles Deep expertise in Microsoft SQL Server (T-SQL) Advanced SQL skills including CTEs, joins, subqueries, and performance tuning Experience working with at least one additional RDBMS (e.g. PostgreSQL or MySQL) Proven ability to hit the ground running in fast-paced, delivery-focused environmentsNice to Have Elasticsearch Familiarity with performance tuning tools (e.g. Execution Plans, Profiler, Query Store)This is a fast-moving hiring process, and we're looking for someone who can start quickly. If you hold active SC clearance and are interested, please apply with your CV and we'll be in touch