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December 17, 2025

Data Engineer

Mid β€’ Remote

$14,000 - $25,000/

Warsaw, Poland

We’re looking for a Data Engineer ready to push boundaries and grow with us. Datumo specializes in providing Data Engineering and Cloud Computing consulting services to clients from all over the world, primarily in Western Europe, Poland and the USA. Core industries we support include e-commerce πŸ›’, telecommunications πŸ“‘ and life sciences 🧬. Our team consists of exceptional people whose commitment allows us to conduct highly demanding projects.


Our team members tend to stick around for more than 3 years, and when a project wraps up, we don't let them go - we embark on a journey to discover exciting new challenges for them. It's not just a workplace; it's a community that grows together!


Must-have:

βœ… at least 3 years of commercial experience in programming

βœ… proven record with a selected cloud provider GCP (preferred), Azure or AWS

βœ… good knowledge of JVM languages (Scala or Java or Kotlin), Python, SQL

βœ… experience in one of data warehousing solutions: BigQuery/Snowflake/Databricks or similar

βœ… in-depth understanding of big data aspects like data storage, modeling, processing, scheduling etc.

βœ… data modeling and data storage experience

βœ… ensuring solution quality through automatic tests, CI/CD and code review

βœ… proven collaboration with businesses

βœ… English proficiency at B2 level, communicative in Polish


Nice to have:

🌟 knowledge of dbt, Docker and Kubernetes, Apache Kafka

🌟 familiarity with Apache Airflow or similar pipeline orchestrator

🌟 another JVM (Java/Scala/Kotlin) programming language

🌟 experience in Machine Learning projects

🌟 understanding of Apache Spark or similar distributed data processing framework

🌟 familiarity with one of BI tools: Power BI/Looker/Tableau

🌟 willingness to share knowledge (conferences, articles, open-source projects)


What’s on offer:

πŸ”₯ 100% remote work, with workation opportunity

πŸ”₯ 20 free days

πŸ”₯ onboarding with a dedicated mentor

πŸ”₯ project switching possible after a certain period

πŸ”₯ individual budget for training and conferences

πŸ”₯ benefits: Medicover Private Medical Care, co-financing of the Medicover Sport card

πŸ”₯ opportunity to learn English with a native speaker

πŸ”₯ regular company trips and informal get-togethers


Development opportunities in Datumo:

πŸš€ participation in industry conferences

πŸš€ establishing Datumo's online brand presence

πŸš€ support in obtaining certifications (e.g. GCP, Azure, Snowflake)

πŸš€ involvement in internal initiatives, like building technological roadmaps

πŸš€ training budget

πŸš€ access to internal technological training repositories


Discover our exemplary project:


πŸ”Œ IoT data ingestion to cloud

The project integrates data from edge devices into the cloud using Azure services. The platform supports data streaming via either the IoT Edge environment with Java or Python modules, or direct connection using Kafka protocol to Event Hubs. It also facilitates batch data transmission to ADLS. Data transformation from raw telemetry to structured tables is done through Spark jobs in Databricks or data connections and update policies in Azure Data Explorer.


☁️ Petabyte-scale data platform migration to Google Cloud

The goal of the project is to improve scalability and performance of the data platform by transitioning over a thousand active pipelines to GCP. The main focus is on rearchitecting existing Spark applications to either Cloud Dataproc or Cloud BigQuery SQL, depending on the Client’s requirements and automate it using Cloud Composer.


πŸ“ˆ Data analytics platform for investing company

The project centers on developing and overseeing a data platform for an asset management company focused on ESG investing. Databricks is the central component. The platform, built on Azure cloud, integrates various Azure services for diverse functionalities. The primary task involves implementing and extending complex ETL processes that enrich investment data, using Spark jobs in Scala. Integrations with external data providers, as well as solutions for improving data quality and optimizing cloud resources, have been implemented.


πŸ›’ Realtime Consumer Data Platform

The initiative involves constructing a consumer data platform (CDP) for a major Polish retail company. Datumo actively participates from the project’s start, contributing to planning the platform’s architecture. The CDP is built on Google Cloud Platform (GCP), utilizing services like Pub/Sub, Dataflow and BigQuery. Open-source tools, including a Kubernetes cluster with Apache Kafka, Apache Airflow and Apache Flink, are used to meet specific requirements. This combination offers significant possibilities for the platform.


Recruitment process:

1️⃣Quiz - 15 minutes

2️⃣Soft skills interview - 30 minutes

3️⃣Technical interview - 60 minutes


Find out more by visiting our website - https://www.datumo.io

If you like what we do and you dream about creating this world with us - don’t wait, apply now!