SQL Developer

Tria; Stratford-upon-Avon; Hybrid; GBP 16,974,000 - 21,218,000; Full time

Job summary

Tria in Stratford-upon-Avon is seeking an experienced SQL Developer/DBA for a fast-paced public sector programme. The hybrid role requires three days on-site with ASAP start.

You will tune complex SQL queries, design robust database architectures across OLTP and OLAP, and support SQL Server, IIS, and Elasticsearch. Experience with PostgreSQL or MySQL and active SC clearance are essential.

Qualifications

• Active SC clearance is required.
• Deep expertise in Microsoft SQL Server and T-SQL.
• Experience with PostgreSQL or MySQL.
• Strong SQL performance tuning and query optimization.
• Hybrid role located in Stratford-upon-Avon.

Responsibilities

• Tune and optimise complex SQL queries at scale.
• Design and maintain robust database architectures across OLTP and OLAP.
• Support a multi-layered ecosystem including SQL Server, IIS, and Elasticsearch.
• Build and maintain ETL pipelines and data integration processes.
• Ensure data integrity, security, and performance.
• Contribute to a critical public sector programme on a 3-month contract.
• Hands-on role focused on high-performance SQL development and database optimisation.

Tools

SQL Server

T-SQL

PostgreSQL

MySQL

Elasticsearch

Execution Plans

Profiler

Query Store

Job description

Salary: £? - ? per year

Requirements:

• We require active SC clearance, which is non-negotiable.
• We are looking for an experienced SQL Developer, Database Specialist, Database Engineer, or DBA.
• We require deep expertise in Microsoft SQL Server and T-SQL.
• We need advanced SQL skills, including CTEs, joins, subqueries, and performance tuning.
• We require experience with at least one additional RDBMS, such as PostgreSQL or MySQL.
• We are looking for someone who can hit the ground running in a fast-paced, delivery-focused environment.
• We would prefer experience with Elasticsearch.
• We would prefer familiarity with performance tuning tools such as Execution Plans, Profiler, and Query Store.

Responsibilities:

• We will expect you to tune and optimise complex SQL queries at scale.
• We will expect you to design and maintain robust database architectures across OLTP and OLAP environments.
• We will expect you to support a multi-layered ecosystem including SQL Server, IIS, and Elasticsearch.
• We will expect you to build and maintain ETL pipelines and data integration processes.
• We will expect you to ensure data integrity, security, and performance across our systems.
• We will expect you to contribute to a critical public sector programme on an initial 3-month contract.
• We will expect you to work in a hands-on role focused on high-performance SQL development and database optimisation.

Technologies:

• ETL
• ElasticSearch
• Support
• MySQL
• PostgreSQL
• SQL
• Security

More:

We are a leading consultancy working on a critical public sector programme and seeking an experienced SQL Developer / DBA for an initial 3-month contract. This is a hybrid role based in Stratford, with three days per week onsite, offered at £400-£500 per day outside IR35. The start is ASAP, and we are moving quickly with the hiring process for someone who can begin promptly and has active SC clearance.

last updated 36 week of 2026