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Year established

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150 +

Professionals on board

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Projects delivered

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Technologies mastered

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50 +

Certifications achieved

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Clients served


We are an IT consulting company specializing in data engineering, data science & advanced analytics, cloud computing consulting services and data pipeline automation.We were established in 2017, are headquartered in Warsaw and have over 100 professionals on board. Our main differentiation is a flexible approach to constantly changing business requirements and needs. Our highly qualified engineers and data scientists provide insightful expertise which help us deliver real added-value to our clients.

DS Stream is certified to ISO/IEC 27001:2013 Certification for Exceptional System Compliance.


  • We don’t want to change people. We want to support them in developing their strengths.
  • We stand for equality. We believe that all people should be treated the same.
  • We communicate in a simple way. We value honest and open communication.
  • We are transparent. We strive to make our business model and company plans publicly available.
  • We count on skills. We hire and promote people based solely on their merit and capabilities, regardless of personal feelings.
  • We build long-term relations. We maintain meaningful, respectful and healthy relationships with our employees and customers.
  • We empower people and give them responsibility. Everyone can co-shape the company.
  • We listen and value being listened to. All opinions and views of employees or coworkers are important to us, we provide space to express them.
  • We are professional. We use our expertise and experience to deliver the highest quality.
  • We strive for improvement. We are constantly looking for ways to grow and be the best experts in our fields.
  • We focus on innovation. We use advanced technology solutions that add value to the business.
  • We care. We spend our profits on what is important to us and support charity institutions. 
  • We generate fun. Our goal is to make work as enjoyable and rewarding as possible.
  • We are passionate. It is important to us that everyone is fulfilled in their work as far as possible.
Our Data Engineers and Data Scientists have an experience and excellent track record of helping clients create a data-driven culture that increased their business performance.


A full scope of Data Engineering services to help transform the disparate data into valuable knowledge you need to make better-informed business decisions in your company.

Learn more about Data Engineering

With our in-depth experience and the most innovative solutions you will get the real profit by having a complete insight into your company’s data.

Learn more about Data Science & Advanced Analytics

Streamline your business processes by moving them to the cloud and gain the access to fast and reliable solutions anywhere and anytime.

Learn more about Cloud Solutions

Make your data transformation easier with process workflow automation and workload optimization.

Learn more about Data Pipelines Automation

We understand the diversity of today's markets and we can tailor requirements to solutions in various industries






Technologies & tools

Google Cloud
Microsoft Azure
Apache Spark
Apache Airflow
Power BI


Our client’s locations

Our team of qualified and experienced professionals share the same values and goals to build our clients' success together.

Meet our team

Jan Maciejewicz


Monika Jankowska


Artur Kołazda

Business Delivery Senior Leader

Krzysztof Kacprzak

Chief Technology Advisor

Dominik Radwański

Service Delivery Partner

Marta Chiberska-Krasulak

Client Experience Leader

Daniel Miłosz

Data Analytics Senior Leader

Jakub Dubowik

Data Science Analytics Senior Leader

Paulina Dubowik

Programmatic Senior Leader

Jakub Mlącki

Big Data Senior Leader

Marcin Kozłowski

Front-end Development Senior Leader

Marcin Miazga

Kubernetes Senior Leader

Błażej Płusa

Back-end Development Senior Leader

Maciej Hampel

Programmatic Leader

Paweł Wojtkiewicz

Data Science Analytics Leader

Paweł Lenda

Front-end Development Leader

Natalia Kraszewska

Kubernetes Leader

Paweł Zając

Data Analytics Leader

Tomasz Zięba

Back-end Development Leader

Get in touch with us

Contact us to see how we can help you.
We’ll get back to you within 4 hours on working days (Mon – Fri, 9am – 5pm).

Dominik Radwański

Service Delivery Partner


DS Stream sp. z o.o.
Grochowska 306/308
03-840 Warsaw, Poland

United States of America
DS Stream LLC
1209 Orange St,
Wilmington, DE 19801

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