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Senior Software Engineer (Java / Kotlin) - Allegro Ads @ Allegro

Warszawa, mazowieckie🌐 Remote💼 Full-time💰 $18,850–$25,900🗓 2026-06-17 → 2026-08-06

Core

Building robust backend systems and scalable reporting engines for the Allegro Ads platform to help users understand campaign performance through advanced statistics and dashboards.

Role type

Senior Software Engineer (Backend/Data Engineering)

Builds

High-velocity data pipelines, scalable reporting engines, and backend systems for the Advertising team.

Domain

E-commerce / Advertising / Data Engineering

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Kotlin, Scala, Spring Boot, Apache Kafka, Apache Airflow, Apache Spark, PostgreSQL, API design, React/TypeScript

Preferred skills

Frontend technologies (React/TypeScript)

Technologies

Kotlin, Scala, Spring Boot, Kafka, Airflow, Spark, PostgreSQL, React, TypeScript

Responsibilities

Code in Kotlin or Scala to build robust backend systems; manage high-velocity data pipelines and build scalable reporting engines; design database integrations via APIs; collaborate with Data Scientists and Analysts to implement complex models; build modern frontend reporting components.

Seniority

Senior, hands-on IC

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