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Senior Data Engineer
  • Kórnik
Senior Data Engineer
Kórnik, Kórnik, Greater Poland Voivodeship, Polska
STX Next S.A.
9. 1. 2025
Informacje o stanowisku

Senior Data Engineer

Miejsce pracy: Poznań

Technologies we use

Expected

  • MySQL
  • PostgreSQL
  • SQL
  • DynamoDB
  • MongoDB
  • Snowflake Data Cloud
  • Python

Optional

  • AWS
  • Elasticsearch
  • Kafka

About the project

At STX Next, Data Engineers are creative problem-solvers who thrive at the intersection of data, innovation, and technology. Our approach to challenges is both collaborative and inventive, driven by the belief that every obstacle has a solution. You’ll join a dedicated team that transforms data into valuable systems, addressing clients needs and elevating the experience for end users.

As a Data Engineer, you’ll work closely with international clients, providing both consultancy and technical architecture to shape reliable, high-performance data solutions. You’ll handle everything from large data sets to distributed systems, setting a high bar for data quality. If you’re excited by complex problems and want to contribute to a collaborative culture of craftsmanship, STX Next offers the platform to bring your ideas to life.

Your responsibilities

  • Develop innovative solutions for complex data challenges, using creativity and technology.
  • Design and build data systems that fulfill client requirements and optimize user experience.
  • Collaborate across teams to integrate unique approaches and out-of-the-box thinking into problem-solving.
  • Serve as a trusted consultant and architect for customized data solutions for global clients.
  • Handle large-scale data processing and manage distributed systems to ensure reliability and performance.
  • Uphold high standards of data quality and refine approaches to align with best practices.
  • Foster a culture of collaboration, craftsmanship, and continuous improvement.

Our requirements

  • Solid experience in designing scalable data processing systems (including pipelines, advanced ETL processes, data warehouses, and lakes).
  • Proficiency in at least one major cloud platform (a strong preference for Azure, alternatively AWS or GCP) and its data solutions.
  • Strong SQL skills and experience with relational databases (MySQL, PostgreSQL).
  • Familiarity with NoSQL databases (e.g., HBase, DynamoDB, MongoDB).
  • Familiarity with data warehousing solutions (e.g., Snowflake, Databricks, BigQuery, Redshift).
  • Understanding of distributed data processing systems (e.g., Apache Spark, Apache Flink).
  • Proficiency in Python 3.x or Scala, with knowledge of advanced Python constructs (e.g., lambda functions, generators, list comprehensions).
  • Core understanding of object-oriented programming principles.
  • Experience with threading and multi-process computation.
  • Familiarity with Git for version control and Docker for containerization.
  • Good communication skills in English (minimum B2).
  • A passion for continuous learning and embracing new technologies.
  • Strong problem-solving skills and analytical thinking.

Optional

  • Knowledge of message broker systems (e.g., Apache Kafka, AWS Kinesis).
  • Experience with orchestration tools (e.g., Apache Airflow, Dagster).
  • Familiarity with search systems (e.g., Elasticsearch, Solr).
  • Experience with CI/CD tools (e.g., GitHub Actions).
  • Hands-on experience with big data frameworks (e.g., Hadoop, Hive, Presto).
  • Understanding of machine learning or statistical methods.
  • Development skills in REST API or GraphQL.
  • Experience with web scraping techniques.

This is how we organize our work

This is how we work

  • at the clients site

Development opportunities we offer

  • assistance in preparation to public speeches
  • conferences in Poland
  • intracompany training
  • soft skills training
  • substantive support from technological leaders
  • support of IT events
  • technical knowledge exchange within the company

What we offer

  • Work-life balance: We are open to discussing individual needs. Set up working hours and limited remote work scheduled with your team and manager, in a way that works for both sides.
  • Reimbursed private medical care (Medicover) and Multisport: We care about the health and well-being of our colleagues. Choose a sports card and dedicated medical care for yourself and your relatives.
  • Leader’s support: Work with true enthusiasts and professionals who will support you along the way. You can count on leaders and experts who are willing to share their knowledge so that you too can join their ranks someday.
  • Technology focus: Python and JavaScript are not our only strengths, we are also very good at React Native, IoT, Machine Learning, .Net, DevOps and Blockchain.
  • Growth review: Junior, Regular or Senior? Every year we have a chance to discuss acquired skills and prepare a development plan for upcoming months.
  • Events: Attend exciting internal webinars, celebrate special days with us, and join us at conferences and meetups as a listener or speaker!
  • Workation: Team trips where you have a chance as a team not only to work together, but also integrate f2f.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time
  • integration events
  • computer available for private use
  • corporate library
  • no dress code
  • video games at work
  • coffee / tea
  • drinks
  • parking space for employees
  • leisure zone

STX Next S.A.

Hi there!

We are STX Next, a global IT consulting company specializing in customer-focused software services. Join a group of 500 professionals dedicated to helping customers build outstanding products. Leveraging the latest advancements in the field, and a passion for innovation, were shaping the future of technology one project at a time.

Are you the NEXT one?

“The Controller of your personal data is STX Next spółka akcyjna with its registered office in Poznań (61-854), ul. Mostowa 38, KRS [company registration number: 0000967074. Personal data will be processed in order to carry out recruitment process, and if you have given your consent, for the purposes of future recruitment processes. You have the right to access the data, rectify the data, erase the data, restrict the processing of the data, data portability and to withdraw your consent at any time without affecting the lawfulness of processing carried out on the basis of consent before its withdrawal. For more information on the processing of your personal data, please see our Privacy policy https://career.stxnext.com/polityka-prywatnosci.
If your job application for the needs of current recruitment process at STX Next S.A. includes personal data that is not required by law or by the Controller, clicking the Send button to submit the application constitutes your consent to the processing of this data in order to conduct the recruitment process by STX Next S.A.I agree to receive marketing content from STX Next S.A. via electronic means to the email address provided by me.I agree to the processing of my personal data included in my job application for the needs of future recruitment processes at STX Next S.A.”

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