Senior Data Engineer - Data Science Platform

ASOS; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Employee discount

Private medical care

Discretionary bonus

25 days annual leave

Employee sample sales

Job summary

ASOS is seeking a Senior Data Engineer to design and implement scalable data pipelines, reusable templates, and standards across data platforms. You will collaborate with Data Scientists, Analysts, and product teams to enable reliable, secure, and high-quality data solutions across the organisation.

Responsibilities include building pipelines in Python/Scala with Spark on Azure (ADF and Databricks), driving standardisation, and enabling teams with guidance and tooling.

Qualifications

• Strong experience as a Data Engineer building scalable data platforms.
• Deep expertise in Azure (ADF, ADLS, Databricks).
• Proficiency in Python and/or Scala (PySpark/Spark) for large-scale data processing.
• Hands-on experience with Databricks and Delta Lake.
• Understanding of end-to-end data lifecycle (ingestion, transformation, serving).
• Experience with dbt for transformations and Terraform for infrastructure as code.
• Familiarity with CI/CD pipelines and modern data engineering practices.
• Strong grounding in data modelling, quality, and testing.
• Experience with monitoring, observability, and performance optimisation.
• Focus on automation, standardisation, and improving developer experience.

Responsibilities

• Designing, building, and maintaining scalable data pipelines.
• Developing reusable data engineering templates and tooling.
• Promoting standardisation across ingestion, transformation, and serving layers.
• Providing guidance and hands-on support to data teams.
• Implementing CI/CD, data quality checks, testing, and observability.
• Collaborating with Platform, ML, and Security teams on Azure infra.
• Optimising data workflows for performance and cost efficiency.

Skills

Data engineering

Azure

Python

Scala

Spark

Databricks

Data modelling

Tools

Azure Data Factory

Databricks

Delta Lake

dbt

Terraform

CI/CD

Job description

Company Description

We’re ASOS, the online retailer for fashion lovers all around the world. We exist to give our customers the confidence to be whoever they want to be, and that goes for our people too.

Please make sure you read the following details carefully before making any applications.

At ASOS, you’re free to be your true self without judgement, and channel your creativity into a platform used by millions. But how are we showing up? We’re proud members of Inclusive Companies, are Disability Confident Committed and have signed the Business in the Community Race at Work Charter and we placed 8th in the Inclusive Top 50 Companies Employer list. Everyone needs some help showing up as their best self.

Let our Talent team know if you need any adjustments throughout the process in whatever way works best for you.

Job Description

As a Senior Data Engineer, you’ll focus on designing and implementing scalable, reusable data pipelines, platform components, and data engineering standards that enable reliable, secure, and high-quality data solutions across the organisation. You’ll work closely with Data Scientists, Analysts, and Engineers embedded in product teams such as Forecasting, Recommendations, Marketing, Customer, and Pricing—helping them accelerate delivery and improve the quality and accessibility of data by providing a robust and standardised data platform experience.

What you’ll be doing

• Designing, building, and maintaining scalable data pipelines using Python and Scala, leveraging Spark and PySpark within an Azure ecosystem (including Azure Data Factory and Databricks).
• Developing and maintaining reusable data engineering templates, frameworks, and tooling to support data teams across ASOS.
• Driving standardisation and best practices across data ingestion, transformation, and serving layers to ensure consistency across diverse product domains.
• Enabling teams to deliver high-quality, production-ready datasets by providing guidance, patterns, and hands‑on technical support.
• Implementing and promoting modern data engineering practices — including CI/CD for data pipelines, data quality validation, testing, observability, and metadata management.
• Collaborating with stakeholders to understand data requirements and evolving the data platform to meet business needs.
• Partnering with Platform Engineering, ML Engineering, and Security teams to ensure scalable, cost-efficient, and secure data infrastructure on Azure.
• Optimising data workflows and pipelines for performance, reliability, and cost efficiency.

We believe being together in person helps us move faster, connect more deeply, and achieve more as a team.

That’s why our approach to working together includes spending at least 2 days a week in the office.

It’s a rhythm that speeds up decision‑making, helps ASOSers learn from each other more quickly, and builds the kind of culture where people can grow, create, and succeed.

Qualifications

• Strong experience as a Data Engineer building scalable data platforms
• Deep expertise in Azure (ADF, ADLS, Databricks)
• Proficiency in Python and/or Scala(PySpark/Spark) for large-scale data processing
• Hands‑on experience with Databricks and Delta Lake
• Solid understanding of the end-to-end data lifecycle (ingestion transformation serving)
• Experience with dbt for transformations and Terraform for infrastructure as code
• Familiarity with CI/CD pipelines and modern data engineering best practices
• Strong grounding in data modelling, quality, and testing
• Experience with monitoring, observability, and performance optimisation
• Focus on automation, standardisation, and improving developer experience

Additional Information

BeneFITS’Employee discount (hello ASOS discount!) Opportunity for personalised learning and in-the-moment experiences that enable you to thrive and excel in your role Flexible benefits allowance

• which you can choose to take as extra cash, or use towards other benefits
• Private medical care scheme
• Discretionary bonus scheme
• 25 days paid annual leave + an extra celebration day for a special moment
• Employee sample sales
• SummaryType: Full-timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Retail