IT & Software

SQL Developer – FinTech

Quant Capital

London · England · United Kingdom

Overview

In this SQL-focused role, you will support a data migration team within a fintech data environment, shaping data cleansing and import processes for the core product. You’ll work alongside a data team to improve performance and scalability of mission-critical data services. You’ll apply your SQL expertise to optimize big data queries, manage indexes, and contribute to a fast-moving, technically advanced shop. This is a hands-on opportunity to influence migration speed and data reliability in a cutting-edge fintech setting.

Responsibilities

  • Own and promote SQL coding standards across the team
  • Develop and optimize complex SQL queries on large data sets
  • Extract, cleanse, and load data into the core product
  • Re-engineer and streamline the data migration process
  • Review and implement scalable technologies and change scripts
  • Improve migration performance by identifying and rewriting long-running/high-frequency queries
  • Create, merge, and drop indexes to boost overall system performance
  • Support MS SQL AlwaysOn and maintain data servers for optimal performance
  • Maintain monitoring tools and resolve issues in collaboration with operations
  • Collaborate with developers to enhance query performance through indexing and tuning
  • On-call troubleshooting and incident response for production SQL Server environments
  • Ensure data environment is correctly configured and up-to-date

Key requirements
  • MS SQL development experience on enterprise transactional systems with high throughput
  • Windows Server 2012r2/2016/2019 experience
  • MS SQL Server 2014 +, PostgreSQL 9+ ( familiarity)
  • On-call production SQL Server troubleshooting experience
  • Experience working with developers to improve query performance and indexing
  • T-SQL query tuning and performance optimization
  • strong communication skills
  • team collaboration
  • ability to work in a dynamic, disruption-prone environment
  • MS SQL Server
  • MS SQL AlwaysOn
  • T-SQL

Reference: WJ-799_20868239

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