SQL Developer

Greater London
£400 - £500 per day + OIR35
Contract

Posted on Tue Jun 2026

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 systems

Experience 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 environments

Nice 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.

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    Advertised By:
    Sam Wilks

    Sam joined TRIA Recruitment three years ago after an extensive career in project management, bringing a strategic approach to recruitment that enhances client deliverables. His background in project management provides him with a unique perspective on the importance of aligning recruitment strategies with business objectives.

    Actions speak louder than words when it comes to ED&I and we’re proud to let ours do the talking for us. TRIA have a majority female workforce from director level down and to keep building on this, we embody a commitment to keep TRIA a safe, prejudice-free environment.

    TRIA Consulting is dedicated to delivering end-to-end services that unlock potential and maximise value. Unlike traditional recruitment, we focus on providing comprehensive consultancy solutions tailored to your organisation's unique objectives.

    TEL 0117 332 7000 | POST 14th Floor, Colston Tower, Colston St, Bristol BS1 4XE