Senior Data Engineer - Freelance

Netguru; Poland; On-site; PLN 178,000 - 297,000; Full time

Job summary

Netguru is a trusted partner in digital commerce, offering data engineering work in the EU as a freelancer on a B2B basis. The role requires 4+ years in data engineering with deep AWS experience (Glue, DMS, Redshift, S3) and strong Python/Scala/Bash skills. Start ASAP for long-term collaboration with Netguru’s team.

Location is within the European Union, with rate flexibility of 30–50 EUR/hour. This is a full-time, freelance B2B engagement designed for experienced professionals seeking ongoing

Qualifications

• 4+ years of commercial working experience as a Data Engineer.
• Deep expertise in the AWS tech stack (Glue, DMS, Redshift, S3).
• Strong proficiency in Python, Scala, and Bash; Scala for production data transformation and CDC.

Skills

Data Engineer

AWS

Python

Scala

Bash

English (C1+)

Tools

AWS Glue

AWS DMS

Amazon Redshift

Amazon S3

Job description

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a Netguru Freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.

We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

• Location: European Union
• Contract type: Full-time, freelance B2B
• Rate: €30-50/h (flexible, depending on experience)
• Start: ASAP
• Duration: long-term

Requirements:

• 4+ years of commercial working experience as a Data Engineer.
• Deep expertise in the AWS tech stack (Glue, DMS, Redshift, S3) proven by experience in previous commercial projects.
• Strong proficiency in Python, Scala, and Bash is required. Specifically, our client uses Scala for production data transformation and CDC, and Bash for CI/CD operations.
• Capability of traversing the "AWS universe" and managing data lifecycles, not just a Database Administrator type of experience.
• Reliability & Performance: understanding how to build crash-resistant, idempotent pipelines and optimize Spark jobs via partitioning, columnar formats (Parquet), and broadcast joins.
• Attention to detail, creative problem-solving abilities and a passion for data.
• Excellent command of written and spoken English (C1+).

What's in it for you? Becoming a Netguru Freelancer means:

• work with an experienced team of developers and continuous development of your hard and soft skills;
• long-term collaboration on challenging products.

Curious to learn more about working as a Netguru freelancer? All the information you need is here: Netguru Talent Marketplace.

Looking for a full-time job? Check out our Career Page and find out more about our open recruitment processes.

At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!