Senior Data Engineer/ Tech lead (AWS)

Requirements:

•  5+ years of experience in data engineering;
•  Experience in AWS;
•  Experience handling real-time and batch data flow and data warehousing with tools and technologies like Airflow, Dagster, Kafka, Apache Druid, Spark, dbt, etc.;
•  Proficiency in programming languages relevant to data engineering, such as Python and SQL;
•  Proficiency with Infrastructure as Code (IaC) technologies like Terraform or AWS CloudFormation;
•  Experience in building scalable APIs;
•  Familiarity with Data Governance aspects like Quality, Discovery, Lineage, Security, Business Glossary, Modeling, Master Data, and Cost Optimization;
•  Upper-Intermediate or higher English skills;
•  Ability to take ownership, solve problems proactively, and collaborate effectively in dynamic settings.

Nice to Have:

• Experience with Cloud Data Platforms (e.g., Snowflake, Databricks);
• Experience in building Generative AI Applications (e.g., chatbots, RAG systems);
• Relevant AWS, GCP, Azure, Databricks certifications;
• Knowledge of BI Tools (Power BI, QuickSight, Looker, Tableau, etc.);
• Experience in building Data Solutions in a Data Mesh architecture.

Responsibilities:

• Collaborate closely with clients to deeply understand their existing IT environments, applications, business requirements, and digital transformation goals;
•  Collect and manage large volumes of varied data sets;
•  Work directly with ML Engineers to create robust and resilient data pipelines that feed Data Products;
•  Define data models that integrate disparate data across the organization;
•  Design, implement, and maintain ETL/ELT data pipelines;
•  Perform data transformations using tools such as Spark, Trino, and AWS Athena to handle large volumes of data efficiently;
•  Develop, continuously test, and deploy Data API Products with Python and frameworks like Flask or FastAPI.

What you'll get:

• Long-term B2B collaboration;
• Hybrid setup with access to our Wroclaw office;
• Paid vacations and sick leaves;
• Public holidays;
• Medical insurance or sports coverage;
• External and Internal educational opportunities and AWS certifications;
• A collaborative local team and international project exposure.