Senior Software Engineer (Java / Kotlin)

Allegro

18900-25900 PLN miesięcznie (Umowa o pracę)

Czym będziesz się zajmować?

  • Massive Scale: Design, build, and optimize systems that handle thousands of requests per minute. This is high-availability, high-performance engineering in practice.
  • Modern Tech Stack: Work with a world-class, cloud-native environment. Our core technologies include Kotlin, Spring, Kafka, and Kubernetes.
  • True Ownership & Autonomy: Live by a 'you build it, you run it' philosophy. Join an agile, autonomous team with full ownership of your microservices, from design to deployment.
  • Complex Challenges: Tackle distributed systems, data streaming and algorithmic optimization to power a massive, real-time marketplace.
  • End-to-End ML Systems: Build infrastructure using BigQuery and Apache Spark for offline data processing. Integrate these components with our microservices architecture to create a sophisticated advertising system that powers a personalized user experience.
  • Join the Advertising team to build Allegro Ads - one of the most visible products on the platform.

Kogo poszukujemy?

Key requirements:
  • Code in Kotlin or Scala with experience in Spring Boot and Kafka to build robust backend systems
  • Hands-on experience with Apache Airflow and Spark for managing high-velocity data pipelines and building scalable reporting engines
  • Proficient in PostgreSQL with experience in database migrations and designing integrations via APIs
  • Enjoy close collaboration with Data Scientists and Analysts to implement complex models and turn raw data into actionable insights
  • Enthusiastic about AI and want to stay at the forefront of technical innovation
  • Want to build impactful tools for a diverse range of users, helping them understand campaign performance through advanced statistics and dashboards
  • Know English at at least B2 level
Nice to have:
  • Experience with frontend technologies (React/TypeScript) to help build modern frontend reporting components

Czego wymagamy?

Znajomości:

Mile widziane:

Języki:

  • Angielski

Jakie warunki i benefity otrzymasz?

  • 18850-25900 PLN miesięcznie (Umowa o pracę)
  • Umowa o pracę - Elastyczne godziny pracy (100%)
  • Praca zdalna: Hybrydowo
  • Budżet szkoleniowy, Klasy językowe
  • Pakiet medyczny, Ubezpieczenie, Pakiet sportowy
  • Zimne napoje, Obiady
  • Parking rowerowy

Gdzie będziesz pracował?

Centrum, Warszawa lub hybrydowo

Kim jesteśmy? – 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.

Key Platform Metrics

  • Reach: 22 million customers visit our platform each month, which is equivalent to almost 80% of all Internet users in Poland.
  • Assortment: Over 250 million offers across all key categories including Automotive, Fashion, Home&Garden, Electronics, Books and Collectibles, Kids, and Health & Beauty.
  • Convenience: Fast and free deliveries under the Allegro Smart! programme.
  • Ecosystem: Modern financial services (Allegro Pay) and Poland’s widest pickup network of 50,000 points.

Our Journey

  • 1999: Founded as an auction site for private individuals looking for a modern alternative to local flea markets.
  • 2019: Celebrated the 20th anniversary of Allegro in Poland.
  • Present: A vibrant international marketplace platform for professional sellers and a must-have sales channel for top international brands and retailers.

Strona firmy: Allegro