Senior Scala Engineer (Data & AI)

Location: Hybrid 4/1 in Warszawa or Kraków, Poland; flexible start between 7:00 and 10:00, with 30 days of occasional remote work.

Company

hirify.global is a large e-commerce technology company with a Data & AI area of more than 150 engineers developing search, recommendations, machine learning, and large-scale data platforms.

What you will do

• Build highly scalable and fault-tolerant data ingestion for millions of hirify.global customers.
• Process clickstream data from hirify.global websites and mobile applications at up to 150,000 events per second and 5 billion events per day.
• Develop and operate hybrid on-premise and Google Cloud Platform data solutions.
• Work with technologies including Spark, Kafka, Beam, BigQuery, Pub/Sub, and Dataflow.
• Collaborate with experienced engineers in the Data & AI area and contribute to reliable production services.

Requirements

• Professional programming experience with Scala or Java; Python is also used.
• Strong understanding of distributed systems, data storage, and data-processing frameworks such as dbt, Spark, or Apache Beam.
• Knowledge of Google Cloud Platform, especially Dataflow and Composer, or other public clouds such as Azure or AWS.
• Good engineering practices, including clean code, code review, TDD, and CI/CD.
• Efficient use of Unix/Linux systems.
• English at B2 level.
• Positive attitude, teamwork skills, and commitment to continuous learning.

Culture & Benefits

• Employment in a hybrid model with flexible working hours and offices in Warszawa and Kraków.
• Long-term discretionary incentive plan based on hirify.global.eu shares and an annual performance- and results-based bonus.
• MacBook Pro or equivalent Dell equipment, accessories, and well-equipped offices.
• Cafeteria benefits including medical, sports, lunch, insurance, and purchase voucher packages.
• Paid job-related English classes, training budget, hackathons, internal learning platform, and inter-team tourism.
• Additional volunteering day, social events, knowledge sharing, autonomy, and access to modern developer tools and AI tools.