The Role
Design, develop, and optimize complex SQL Server solutions and T-SQL code. Diagnose and resolve performance bottlenecks, implement indexing and partitioning strategies, design normalized OLTP and analytical models, support ETL/ELT pipelines, enforce database standards, lead code reviews, and mentor junior developers.
Summary Generated by Built In
Location: Cape Town | Work Type: Hybrid | Job ID: J107208
About our client:
Our client is a global investment advisory firm focusing on long-term value creation through investment strategies. They work with a diverse group of institutional partners and pride themselves on their collaborative, sustainable, inclusive culture and performance. You are welcome to go into the office daily or to take advantage of their hybrid in-office / remote benefit. This company places significant investment in employee wellness, their benefits which are on top of generous basic salaries, are industry leading in their generosity. Our client is large, offering fantastic career development opportunities but also very dynamic, they track as many metrics as possible in order to continuously improve - they spare no expense on the tools to do so. Automation, AI and R&D are pillars of their business framework which ensures you should never be at risk of falling behind or getting stuck working with old legacy software. Culturally they are very cosmopolitan and diverse, you will be working with the best globally.
What you will be doing:
- Design, develop, and optimize complex SQL Server database solutions. Write highly efficient, scalable, and maintainable T-SQL code, including advanced stored procedures, views, functions, and triggers.
- Deeply analyse execution plans, troubleshoot complex performance issues, and implement advanced indexing, partitioning, and query refactoring strategies to resolve critical bottlenecks in high-volume workloads.
- Design robust, scalable relational data models (OLTP/3NF) and analytical structures optimised for data integrity, low-latency data access, and seamless reporting.
- Ensure solutions reduce impact on transactional systems by optimising data access patterns and separating operational and reporting workloads.
- Define and enforce strict standards for naming conventions, database design, and documentation; lead code reviews and champion SQL development best practices.
- Mentor junior developers and engineers on advanced SQL optimization and relational modelling practices. Work closely with backend application developers, BI teams, and business analysts to support data requirements.
- Assist with and maintain existing data ingestion processes, providing SQL support for ETL/ELT pipelines and integrations where necessary.
What our client is looking for:
- 6+ years of deep, hands-on experience in complex T-SQL query development, advanced stored procedures, views, user-defined functions, and execution plan analysis.
- Proven track record of diagnosing and resolving severe performance bottlenecks related to locking, blocking, deadlocks, and IO/memory optimization in large-scale SQL Server environments.
- Mastery of indexing strategies (clustered, non-clustered, columnstore, filtered) and table partitioning to optimize massive datasets.
- Deep expertise in designing highly normalised relational models (3NF/OLTP), with a strong understanding of dimensional modelling (star/snowflake schemas) as a secondary benefit.
- Experience with ETL/ELT processes and data pipeline tools (e.g., SSIS, Azure Data Factory, dbt) is highly advantageous but considered a secondary requirement to core database development.
- Familiarity with Azure SQL, Git, Azure DevOps, CI/CD pipelines for databases, or BI tools like Power BI/Tableau is a plus.
For a more comprehensive list of opportunities that we have on offer, do visit our website - https://www.parvana.co.uk/careers
Requirements
Data Engineering / Science, Azure Data Factory (ADF), ETL/ELT, Data Pipelines, SQL Queries, SQL Server, Data Modelling, BI Teams, Investment Advisory
Skills Required
- 6+ years hands-on experience in complex T-SQL query development, advanced stored procedures, views, and user-defined functions
- Proven track record diagnosing and resolving severe performance issues (locking, blocking, deadlocks, IO/memory) in large SQL Server environments
- Mastery of indexing strategies (clustered, non-clustered, columnstore, filtered) and table partitioning for massive datasets
- Deep expertise designing highly normalized relational models (3NF/OLTP); familiarity with dimensional modelling (star/snowflake) is beneficial
- Experience with ETL/ELT processes and data pipeline tools (e.g., SSIS, Azure Data Factory, dbt)
- Familiarity with Azure SQL, Git, Azure DevOps, database CI/CD pipelines, and BI tools (Power BI/Tableau)
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The Company
What We Do
Parvana is an IT recruitment agency specializing in connecting top tech talent with leading companies in South Africa and the UK, focusing on software development, finance, and telecommunications.
