Lead Data Engineer
WNS Global Services Open · verified Oct 24, 2026 At a glance
Senior Data Engineering role at WNS Global Services. London · full-time · no salary stated · we estimate £86,250–£114,500.
WNS Global Services has not published a salary for this role. The figure below is our estimate, not theirs.
dataroles summary, based on the employer's posting.
What you'll do
- Build features, fix faults and monitor the cloud-based Delta Lakehouse platform each day
- Join agile ceremonies, including daily stand-ups and sessions to refine the backlog
- Set technical architecture, coach junior engineers and establish shared standards, documentation and reusable frameworks
- Investigate data problems, find root causes and apply fixes in code or data
What you bring
- At least ten years in data engineering, including five or more years in data warehouse environments
- A bachelor's or master's degree in computer science, data management or information systems, or a relevant data qualification
- A track record leading complex data work and making architecture decisions
- You can investigate data issues through to root cause and deliver remediation
Who this fits
This is a senior technical lead role, with architectural ownership and mentoring alongside hands-on platform work. You’ll work from Central London four days a week and from home one day a week.
From the employer
WNS (Holdings) Limited (NYSE: WNS), is a leading Business Process Management (BPM) company. We combine our deep industry knowledge with technology and analytics expertise to co-create innovative, digital-led transformational solutions with clients across 10 industries. We enable businesses in Travel, Insurance, Banking and Financial Services, Manufacturing, Retail and Consumer Packaged Goods, Shipping and Logistics, Healthcare, and Utilities to re-imagine their digital future and transform their outcomes with operational excellence. We deliver an entire spectrum of BPM services in finance and accounting, procurement, customer interaction services and human resources leveraging collaborative models that are tailored to address the unique business challenges of each client. We co-create and execute the future vision of 400+ clients with the help of our 66,000+ employees.
Please Note that this is a 4 Day Work from Office Role in Central London & 1 Day work from Home
Key Responsibilities
- Feature development, issue resolution, and daily monitoring on cloud delta lakehouse data platform.
- Operate as part of an agile technical team participating in all agile team ceremonies such as daily stand up meetings and backlog refinement sessions.
- Lead Architectural decisions, mentor junior engineers and contribute to establishing engineering standards, documentation, and reusable frameworks.
Experience
- Overall 10+yrs experience in data engineering.
- At least five years of experience working in a data warehouse solution landscape.
- Proven ability to lead complex data initiatives and drive architectural decisions.
- Experienced with agile delivery methodologies, ideally SCRUM/Kanban.
- Be able to assume ownership of data issues, perform investigation and root cause analysis, and implement remediation through code and data changes.
- Understanding of data warehouse testing strategies and quality assurance processes.
- Good understanding of git branching strategies and code management.
- Good understanding of technical release management processes in Azure DevOps.
- Confident and concise communication skills, with the ability to drive alignment, collaboration, and efficiency within teams.
- A bachelor's or master's degree in computer science, data management, information systems industry approved; relevant data solutions development qualifications (e.g. Microsoft certification; Databricks Certification; data apprenticeship qualifications)
Tech Stack
- SQL Server, SSIS, T-SQL
- ADF, ADLS, Azure SQL Database, PySpark, Spark SQL, Databricks, Delta lake
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