Senior Data Engineer (Fulfillment)

Tesco Technology

Kraków

Hybrid

PLN 290,000 - 379,000

Full time

14 days+

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Benefits offered by this job

Up to 20% yearly bonus

Permanent contract

Private healthcare (LuxMed)

Cafeteria & Multisport

4 extra days of paid leave

Udemy learning platform

Job summary

Tesco Technology’s Data Engineering team in Kraków leads data processing for retail and technology. The Senior Data Engineer will drive the evolution of our data platform and pipeline architecture, designing scalable, reliable, high-performing data solutions.

You will influence architectural decisions and establish engineering best practices across the organization. You will mentor engineers, collaborate with software, analytics, and product teams, and balance hands-on work with architectural

Qualifications

Experience building scalable data pipelines and platforms.
Strong knowledge of data governance, security, and quality.
Ability to mentor engineers and influence technical decisions.

Responsibilities

Lead design and evolution of scalable data pipelines and architectures.
Build and optimize large-scale data solutions meeting performance and operational needs.
Drive platform improvements via automation and modernization.
Design robust ingestion, transformation, and delivery frameworks.
Collaborate with Product, Engineering, Analytics, and Business teams.
Champion data quality, observability, and security across the platform.
Mentor engineers and contribute to long-term technical strategy.

Skills

Data processing with Spark (Scala/Py)

HDFS/CEPH S3 storage

Yarn / cloud resource mgr

Hive/Kyuubi lakehouse

Airflow workflow scheduling

Education

Bachelor or higher in CS/SE/data engineering

Tools

Apache Spark

Apache Hive

Kafka

Job description

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.

About the role

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 Senior Data Engineer to join our team of analytics experts. In this role, you will lead the evolution of our data platform and data pipeline architecture, driving the design of scalable, reliable, and high-performing data solutions. Beyond implementation, you will influence architectural decisions, establish engineering best practices, and help shape the technical direction of our data ecosystem. You will also play a key role in optimizing data flow, accessibility, and governance to meet the growing needs of cross-functional teams across the organization.

Our ideal candidate is an experienced data engineering professional who thrives on solving complex technical challenges and building robust data systems at scale. As a Senior Data Engineer, you will work closely with software engineers, database architects, data analysts, data scientists, and product teams to deliver impactful data-driven solutions. You will provide technical leadership across initiatives, mentor fellow engineers, and ensure that our data architecture remains scalable, resilient, and aligned with business objectives. You will be expected to balance hands‑on engineering with architectural ownership, driving consistency and engineering excellence across multiple projects and teams.

You will be responsible for

Leading the design, development, and evolution of scalable, reliable, and secure data pipeline architectures.
Building and optimizing large-scale data solutions that meet business, performance, and operational requirements.
Driving platform improvements through automation, infrastructure modernization, and continuous optimization.
Designing and maintaining robust data ingestion, transformation, and delivery frameworks across diverse data sources.
Partnering with Product, Engineering, Analytics, and Business stakeholders to deliver scalable data solutions and influence technical direction.
Championing data quality, security, observability, and operational excellence across the data platform.
Building data products and self‑service capabilities that empower analysts and data scientists.
Mentoring engineers, promoting best practices, and contributing to the long‑term technical strategy of the data platform.

You will need

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

Whats in it for you?

Salary UoP

26 000 - 34 000 PLN gross/month

Hybrid working

We know life looks a little different for each of us. That’s why at Tesco, we always welcome chats about different flexible working options. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life-changing moments like becoming a carer, adapting to parenthood, or something else. So, talk to us throughout your application about how we can support.

This role requires you to be based in or near Kraków, as you will spend 60% (3 days) of your week collaborating with colleagues at our office locations or local sites and the rest remotely.

Our benefits

Tesco is a diverse and exciting employer, dedicated to being #aplacetogeton, providing career-defining opportunities to all of our colleagues. If you choose to join our business, we will provide you with:

Up to 20% yearly salary bonus – based on both individual and business performance
Permanent contract from the go – as a sign of our trust in your abilities
Tax-deductible expenses (IP)
Private healthcare (LuxMed)
Cafeteria & Multisport
Additional 4 days of paid leave to support your well-being and family life
Increase in annual leave (from 20 to 25 days) for those not yet eligible for the full holiday entitlement
Learning opportunities – certified technical training and a learning platform (Udemy)
Back-to-school day – 1 day off for parents of primary school children
Fertility leave – up to 2 weeks of paid leave for IVF treatment
Sports activities with a personal trainer in the office
Referral bonus
MacBook as your work tool

About Us

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.

Want to get to know us better? Watch our team talk about our culture – YouTube

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