Data Engineer (Stores/Customer Order)

Tesco Poland; Kraków; Hybrid; PLN 120,000 - 220,000; Full time

Job summary

Tesco Poland is seeking a Data Engineer to expand and refine our data and data pipeline architecture. You will optimize data flow and collection to support cross-functional teams across logistics, customer, and product analytics.

The role requires building scalable data infrastructure, collaborating with software developers, data scientists, and analysts, and ensuring data integrity and security throughout processing.

Qualifications

• Experience building data pipelines and data warehouses.
• Strong understanding of data modeling and ETL/ELT concepts.
• Familiarity with big data technologies and cloud platforms.

Responsibilities

• Design and optimize data pipelines and data lake architecture.
• Collaborate with software engineers, data scientists, and analysts to deliver data solutions.
• Ensure data quality, governance, and security across data flows.
• Build scalable data infrastructure for cross-functional teams.
• Develop analytics tools to provide actionable insights on performance and operations.
• Maintain and improve data processing workloads and workflows.
• Document data architectures and best practices.

Skills

Apache Spark

Python/Scala

HDFS/CEPH S3

Apache Yarn

Hive/Kyuubi

Airflow

Tools

Kafka

Kubernetes

CI/CD

Job description

About the role

The Data Engineering department at Tesco Technology is at the forefront of data processing within the retail and technology industry. This vital department handles a range of responsibilities, including:

• Analyzing order and delivery data to optimize logistics processes and enhance delivery efficiency.


• Managing critical data related to customer orders, suppliers, and products to ensure the seamless flow of our fulfillment operations.


• Upholding data integrity and security during the processing of order and delivery-related information.

As we continue to expand, we are actively seeking a skilled Data Engineer to join our team of analytics experts. In this role, you will take charge of expanding and refining our data and data pipeline architecture. Additionally, you will be instrumental in optimizing data flow and collection to cater to the needs of cross-functional teams.

Our ideal candidate is an experienced data pipeline builder and data enthusiast who relishes the opportunity to optimize data systems and construct them from the ground up. As a Data Engineer, you will collaborate closely with software developers, database architects, data analysts, and data scientists on various data-driven initiatives. You will play a crucial role in ensuring that the optimal data delivery architecture remains consistent across all ongoing projects.

This role calls for a high level of self-direction and the ability to effectively support the data requirements of multiple teams, systems, and products.

• Creating and maintaining optimal data pipeline architecture


• Assembling large, complex data sets that meet functional / non-functional business requirements.


• Identifying design and implementing internal process improvements: automating manual processes, optimising data delivery re-designing infrastructure for greater scalability etc.


• Building the infrastructure required for optimal extraction, transformation, and loading of data from a wide variety of data sources


• Building analytics tools that utilize the data pipeline to provide actionable insights into customer acquisition operational efficiency and other key business performance metrics.


• Working with stakeholders, including the Executive Product Data and Design teams to assist with data-related technical issues and support their data infrastructure needs.


• Keeping our data separated and secure


• Creating data tools for analytics and data scientist team members that assist them in building and optimising our product into an innovative industry leader.


• Working with data and analytics experts to strive for greater functionality in our data systems.

Mandatory skills

• Data Processing: Apache Spark - Scala or Python


• Data Storage: Apache HDFS, CEPH S3 or respective cloud alternative


• Resource Manager: Apache Yarn or respective cloud alternative


• Lakehouse: Apache Hive/Kyuubi or alternative


• Workflow Scheduler: Airflow or alternative

Nice to have skills

• Functional programming


• Apache Kafka


• Kubernetes


• Stream processing


• CI/CD

Our colleagues work with one goal in mind, helping to make every day a little better for our customers, colleagues and communities all over the world. No two customers are the same, neither are our colleagues.

At Tesco, we champion a balance that lets you thrive both in and out of work. Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely. Whether you're just kicking off your career, juggling passions, or navigating big life events, we're here to support you.

Tesco is committed to celebrating diversity and everyone is welcome at Tesco. As a Disability Confident Employer, we’re committed to providing a fully inclusive and accessible recruitment process, allowing candidates the opportunity to thrive and inform us of any reasonable adjustments they may require.

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What our colleagues like the most at Tesco:

• We develop our own products


• We make an impact; large scale of operation


• Accountability and respect are given to us


• We cooperate and support each other


• There are great colleagues who are divided into small teams here


• We can develop and learn new things

Discover how our colleagues shape Tesco’s tomorrow.