Backend Engineer: AI/ML & Large-Scale Search

Allegro; Warszawa; Hybrid; PLN 163,000 - 232,000; Full time

Benefits offered by this job

Flexible hours

Hybrid model

30 days remote

MacBook Pro / Dell

Cafeteria plan benefits

English classes

Training budget

Volunteering day off

Social events

Job summary

Allegro in Warsaw is seeking a backend engineer to work at the heart of search relevance, bridging Java/Kotlin/Python services with modern ML pipelines. You will collaborate with research and data science teams to deploy ranking models and explore Generative AI features in a scalable environment.

We value clean architecture, code quality, and a strong analytical mindset. The role offers hybrid work with generous benefits across a comprehensive cafeteria plan and learning opportunities.

Qualifications

• Strong backend engineering with Java/Kotlin/Python.
• Experience with ranking models, ML pipelines is beneficial.
• Familiarity with ML concepts, data pipelines (GCP) and English communication (B2+).

Responsibilities

• Deploy ranking models and evaluation pipelines.
• Experiment with Generative AI and semantic search features.
• Collaborate with research and data science teams to deploy models.
• Build scalable backend services on JVM and AI-enabled pipelines.

Skills

Java

Kotlin

Python

Backend engineering

Clean architecture

English (B2+)

Tools

Airflow

GCP

Kubernetes

Docker

GitHub Actions

Job description

Allegro in Warsaw is seeking a backend engineer to work at the heart of search relevance, bridging Java/Kotlin/Python services with modern ML pipelines. You will collaborate with research and data science teams to deploy ranking models and explore Generative AI features in a scalable environment.

We value clean architecture, code quality, and a strong analytical mindset. The role offers hybrid work with generous benefits across a comprehensive cafeteria plan and learning opportunities.