Lead Data Engineer

About the role

WNS (Holdings) Limited, a Business Process Management company serving clients across 10 industries, is hiring a Lead Data Engineer in Central London. This is a full-time role with a 4-day office presence in Central London and 1 day working from home.

Key responsibilities

• Feature development, issue resolution and daily monitoring on a cloud delta lakehouse data platform.
• Work as part of an agile technical team, taking part in daily stand-ups and backlog refinement sessions.
• Lead architectural decisions, mentor junior engineers and help set engineering standards, documentation and reusable frameworks.

Required profile

• Over 10 years of experience in data engineering, including at least five years in a data warehouse landscape.
• Proven track record of leading complex data initiatives and driving architectural decisions.
• Experience with agile delivery, ideally Scrum/Kanban, and ownership of data issues with root cause analysis and remediation through code and data changes.
• Bachelor's or master's degree in computer science, data management, information systems or an industry-approved qualification; relevant certifications such as Microsoft or Databricks are also valued.

Required skills

• Data warehouse testing strategies and quality assurance processes.
• Git branching strategies and code management.
• Azure DevOps release management.
• Tech stack: SQL Server, SSIS, T-SQL, ADF, ADLS, Azure SQL Database, PySpark, Spark SQL, Databricks, Delta Lake.