Salary: 1280 - 1440 PLN/MD + VAT (B2B)
Remote: flexible hybrid from Gdańsk / Kraków / Warszawa (1 x week)
Why choose this offer?
- You will have the opportunity to develop and improve a software tool which helps provide customers all over the world with tailor-made heating and cooling solutions
- Your work will help create more sustainable, cost-efficient and environment friendly heating and cooling solutions
- The Jit community will bring you a nice time during regular integration meetings
Project
We are looking for an experienced Senior Data Engineer to join a team developing modern software solutions for the energy and smart building industry. You will be part of a team building cloud-native, data-intensive platforms responsible for ingesting, processing, and serving large volumes of real-time and historical data. Your work will focus on designing and operating reliable data pipelines, stream processing solutions, and time-series data platforms that support analytics, machine learning, and operational insights.
Expected competences and knowledge
- Minimum 4 years of commercial experience building and operating production data pipelines in Python
- Strong practical knowledge of SQL
- Hands-on experience with workflow orchestration tools such as Airflow, Dagster, or Mage, including backfills, historical reprocessing, retries, dependency management, and monitoring
- Experience with stream processing technologies such as Kafka, Faust, Flink, NATS, or similar
- Experience working with time-series data and production time-series databases such as TimescaleDB, GreptimeDB, or InfluxDB
- Understanding of common time-series data challenges, including missing data, sensor drift, clock skew, late-arriving events, and inconsistent units
- Experience implementing data quality checks as part of production data pipelines
- Hands-on experience with Docker, Git, and CI/CD
- English proficiency at a minimum B2 level
- Ability to work independently and collaborate effectively within a cross-functional engineering team
- Nice to have:
- Experience with Azure (preferred) or GCP
- Knowledge of Redis and Kubernetes
- Experience ingesting weather forecast or electricity market data
- Background in Energy, Utilities, Industrial IoT, or OT/SCADA
- Experience building data platforms for Data Science teams, with an understanding of reproducibility and train/serve consistency
Technologies you'll work with
- Python
- Apache Kafka
- Apache Airflow / Mage
- SQL
- Redis
- Docker
- Git
- CI/CD
- Azure Cloud / Google Cloud Platform
- Kubernetes
- Event-driven data pipelines
Client – why choose this particular client from the Jit portfolio?
Our Client engineers technologies that enable the world of tomorrow to do more with less. They meet the growing need for infrastructure, food supply, energy efficiency and climate-friendly solutions. Their products and services are used in areas such as refrigeration, air conditioning, heating, motor control and mobile machinery. They are also active in the field of renewable energy as well as district heating infrastructure for cities and urban communities. Their innovative engineering dates back to 1933 and today our Client is a world-leader, employing more than 27,000 employees and serving customers in more than 100 countries. They are still privately held by the founding family.
About Jit Team
The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.
Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.