SQL Performance Engineer

We're currently hiring a Performance Engineer for our technology-driven client, who are at the forefront of financial data management, to help ensure their platform remains fast, scalable, and resilient as they continue to grow.

This is a fantastic opportunity to work on cutting-edge solutions that streamline and automate complex, high-volume data processes for some of the biggest names in financial services.

What You'll Do

As a Performance Engineer, you'll play a key role in optimising the performance of data processing pipelines and core systems. You'll collaborate with engineering, DevOps, and product teams to:

• Analyse and tune complex SQL queries to reduce runtime and eliminate bottlenecks

• Develop tooling for performance diagnostics and deployment risk management

• Automate performance testing and benchmarking across deployments

• Improve code efficiency and system throughput

• Contribute to deployment strategies for high-risk releases

• Strong experience in SQL performance tuning and query optimisation

• Ability to build tooling for diagnostics and risk management

• Familiarity with performance testing tools and observability platforms

• Collaborative mindset and problem-solving skills

• Ability to develop and consume MI for evidence-based decision making

Desirable Skills:

• Experience in financial services or data-heavy environments

• Knowledge of reconciliation or financial data processing systems

• Exposure to containerised environments (Docker/Kubernetes)

• Experience with Delta Lake and Microsoft Fabric

Tech Stack

SQL | Python | PowerShell | .NET | C#

Azure Data Lake | Azure Blob Storage | Delta Lake

Performance Testing: JMeter, k6

Monitoring: Azure Monitor, Application Insights, Grafana

Infrastructure: Azure, Kubernetes, Docker

CI/CD: Azure DevOps, GitHub Actions

• Competitive salary + bonus

• Private healthcare for you and your family

• 26 days annual leave + birthday off

• Pension scheme and option to buy extra holidays

• Regular team events and professional development opportunities

• Discounts, cashback schemes, and cycle-to-work benefits