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Data Engineer

Reward
London
3 days ago
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At Reward, data is at the core of everything we do — from powering real-time insights to driving smarter customer loyalty. As we scale globally, we’re on the lookout for a curious, driven Data Engineer to help us shape the future of our data platform.
What you’ll be doing:
Building and optimising data pipelines in a cloud-first environment (AWS)
Collaborating with business stakeholders (tech & non-tech) to deliver smart, scalable reporting and data solutions
Migrating and modernising ETL processes and data warehouses for reporting and monetisation
Creating well-documented, efficient code in SQL and Python
Implementing QA processes and supporting the business with both regular and ad hoc data deliverables
Tech you’ll work with:
SQL Server (SSIS, SSRS, SSAS)
Python
AWS stack – Glue, Lambda, S3, EC2, Jupyter
Excel (PowerPivot, VBA, lookups, advanced formulas)
You’ll also:
Collaborate closely with our Data Engineers and Product Owner
Own your solutions end-to-end, from design through deployment
Help ensure clean, scalable, and well-tested code
Drive automation that saves time and cost across the business
Contribute to a data culture where quality, collaboration, and impact come first
What you bring:
2+ years of hands-on experience with large relational databases (500K+ customers)
Deep knowledge of relational database concepts and performance optimisation
Strong SQL and Python skills
Experience designing in cloud environments — ideally AWS
A collaborative mindset and the ability to translate business needs into technical specs
Bonus: knowledge of BI tools, domain experience in retail/marketing/loyalty, or a background in a quantitative discipline
You’ll join a high-growth, high-impact environment where your work directly supports strategic decision-making and product innovation. We believe in clean code, open collaboration, and building best-in-class data infrastructure that scales with us.
Must have the right to work in the UK
We’re a friendly team with strong values and plenty of team socials!
Ready to join a team where data drives everything? Apply now or message us for more details.
Seniority level Seniority level Mid-Senior level
Employment type Employment type Full-time
Job function Job function Information Technology
Industries Advertising Services, IT System Data Services, and Data Infrastructure and Analytics
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