Junior Kotlin/Java Backend Engineer — Flexible Hybrid

Allegro Ltd.; Poznań; Hybrid; PLN 125,000 - 170,000; Full time

Benefits offered by this job

Hybrid model

Flexible hours

Occasional remote work

Laptop provided

Job summary

Allegro Ltd. is hiring a Software Engineer 1 (Java / Kotlin) in Poznań to join the Delivery Experience team. You will develop backend services and data pipelines that help sellers dispatch orders on time, calculate shipment performance, and connect tracking numbers to orders.

You’ll also contribute to front-end components using React. You’ll work across Kotlin/JVM services, Scala/Spark data processing, and BigQuery reports, learning from experienced engineers.

Qualifications

• Proficient in Kotlin or Java with production experience.
• Willingness to work across backend, data, and frontend areas.

Responsibilities

• Own well-scoped tasks across backend, data, and frontend systems.
• Turn product needs into tested, maintainable software.
• Contribute to code reviews and testing to ensure reliability.
• Learn and use Kotlin/JVM, Spark, BigQuery in projects.

Skills

Kotlin

Java

React

English (B2)

Microservices

Tools

Kubernetes

Docker

GitHub Actions

BigQuery

Spark

Scala

Job description

Allegro Ltd. is hiring a Software Engineer 1 (Java / Kotlin) in Poznań to join the Delivery Experience team. You will develop backend services and data pipelines that help sellers dispatch orders on time, calculate shipment performance, and connect tracking numbers to orders.

You’ll also contribute to front-end components using React. You’ll work across Kotlin/JVM services, Scala/Spark data processing, and BigQuery reports, learning from experienced engineers.