Senior Data Engineer

Holisticon Connect is a division within NEXER GROUP - a custom software development company. We started in Poland in 2017 and are now a team of over 140 people. We have the opportunity to work with world-renowned brands from Scandinavia, the UK, and Western Europe. Our goal is to grow stronger, in competence rather than in numbers. If you like what we do, check out our offer, maybe we will have the pleasure of meeting you We are looking for a Senior Data Engineer to help design, build, and maintain a unified data platform consolidating enterprise, market, and vehicle data across cloud environments. Working with tools like Databricks, AWS, and Python, you’ll play a key role in building scalable solutions that support analytics, AI/ML, and data-driven decision-making. You’ll collaborate with cross-functional teams to ensure data quality, reliability, and security within a modern lakehouse architecture.Key ResponsibilitiesDesign, implement, and maintain data ingestion and transformation pipelines.Build scalable data solutions using Python, SQL, and AWS services.Develop and orchestrate ETL/ELT workflows with tools like Airflow or Glue.Ensure data integrity, quality, and compliance across all stages.Collaborate with stakeholders to define requirements and optimize data delivery.Monitor pipeline performance, troubleshoot issues, and ensure system stability.Support CI/CD integration for automated deployment of data projects.Mentor junior engineers and contribute to overall data architecture strategy.We offer a choice of employment form: B2B or Employment Contract UoP: 20 500 – 23 500 PLN gross/monthB2B: 150 – 170 PLN net/hour + VATYou might be the perfect match if you are/have:5+ years of hands-on experience in data engineering with Python and SQL;Experience with AWS, DWH services (Redshift, Databricks etc.);Experience with data analysis work and tool for example PowerBI;Strong experience with ETL/ELT/orchestration tools (e.g., PySpark, Airflow, Glue);Experience with stream processing (e.g., Apache Kafka, Apache Flink, Spark Structured Streaming);Drive the design and implementation of data warehouse and data lakes;Proficient in code versioning (git) and building CI/CD for data projects;Experience with requirement gathering and documentation. By joining us, you gain the following: Opportunity to work on exciting, international projects in cutting-edge industries like Automotive, Biotech, IoT; Possibility to develop in cloud technologies;Becoming part of a team that believes that the next step to a promising future is to put your heart into it and make it happen; Respect for your private life so you don't have to work overtime or on weekends; Team Events budget to socialize outside of work; Company Events to celebrate smaller and bigger successes (Summer Party, Programmer's Day, and trips abroad – so far we've been in Cape Town, Are, and Barcelona). Perks and benefits: Fully remote work or in our office in Wrocław; Free benefits such as Luxmed, Multisport, and life insurance in Nationale Nederlanden; Attractive referral system (9,5k for senior, 6k for mid, 2,5k for junior); Personal Training Budget with additional paid hours; Passion Day - an extra day off for your hobby to spend as you please; Flexible working hours with no micro-management approach. Our core hours are 9-15, the rest of the working time is up to you; We provide high-quality work equipment + 2 additional monitors and accessories. If you apply for this position and match our expectations, then: 1) You will be invited to an HR Screening with our IT Recruiter. 2) You will have a technical interview. 3) You will meet with a client. Submit your application online in one easy step Apply now You will earn:B2B: 150 – 170 PLN net/hour + VAT