Senior Scala Engineer

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Senior Scala Engineer in Others new

Allegro
Full time
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11/01/2026
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Warsaw, Poland

Responsibilities

Build highly scalable and fault-tolerant data ingestion systems for millions of customers.
Process clickstream data from Allegro websites and mobile applications at up to 150,000 events per second.
Design and work with distributed systems, data storage, and data processing frameworks.
Develop and maintain software using clean code, code review, TDD, and CI/CD practices.
Work efficiently within Unix/Linux systems and collaborate with experienced engineering teams.

Requirements

Strong programming experience with Scala or Java and Python.
Strong understanding of distributed systems, data storage, and processing frameworks such as dbt, Spark, or Apache Beam.
Knowledge of GCP, especially Dataflow and Composer, or other public cloud environments such as Azure or AWS.
Familiarity with clean code, code review, TDD, and CI/CD practices.
Ability to work with Unix/Linux systems.
English proficiency at B2 level.
Positive attitude, teamwork skills, and commitment to continuous learning.

Benefits

Flexible working hours with a hybrid 4/1 work model and 30 days of occasional remote work.
Long-term discretionary incentive plan based on Allegro.eu restricted stock units and an annual performance and company-results bonus.
Well-located offices with equipped kitchens, bicycle parking, terraces, and ergonomic work equipment.
Choice of a 16-inch or 14-inch MacBook Pro or equivalent Dell computer with accessories.
Cafeteria benefits including medical, sports, lunch, insurance, and purchase-voucher packages.
Employer-paid English classes, training budget, inter-team tourism, hackathons, and an internal learning platform.
Additional volunteering day off and company social events.

Allegro

Allegro is the most popular shopping platform in Poland and the largest e-commerce platform of European origin. We operate a marketplace model which means that customers can buy whatever they need from over 135,000 merchants, who can list an unlimited number of offers on our platform. We offer p...

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