SQL Server Performance Engineer

ASB Bank; Auckland; On-site; NZD 90,000 - 130,000; Full time

Job summary

ASB Bank in Auckland is seeking a SQL-focused Database Developer who thrives on solving complex data problems and keeping critical systems running smoothly. You’ll own SQL Server environments, optimize performance, and support data pipelines behind key platforms.

You’ll work with T-SQL, address production issues, and ensure reliable data flows across systems. You’ll collaborate with engineers and data teams to understand how your work fits into the bigger picture and contributes to overall

Qualifications

• Strong hands-on experience with SQL Server and T-SQL.
• Ability to design and optimise complex queries and data structures.
• Experience supporting production environments and resolving performance issues.
• Experience with ETL/ELT or backend data pipelines.

Responsibilities

• Own and support SQL Server databases in production environments.
• Design and improve queries, stored procedures, functions, and data structures.
• Tune performance and resolve production issues.
• Support and enhance backend data pipelines and integrations.
• Collaborate with engineers and data teams to keep systems running smoothly.

Skills

SQL Server

T-SQL

Query optimisation

Data modelling

ETL/ELT pipelines

Production support

Backend data pipelines

Tools

CI/CD tooling

Git

Job description

ASB Bank in Auckland is seeking a SQL-focused Database Developer who thrives on solving complex data problems and keeping critical systems running smoothly. You’ll own SQL Server environments, optimize performance, and support data pipelines behind key platforms.

You’ll work with T-SQL, address production issues, and ensure reliable data flows across systems. You’ll collaborate with engineers and data teams to understand how your work fits into the bigger picture and contributes to overall