Senior Backend Engineer Kotlin/Python, AI-Driven Scale

Allegro; Województwo mazowieckie; Hybrid; PLN 163,000 - 232,000; Full time

Benefits offered by this job

Flexible hours

Remote work up to 30 days/year

Well-located offices

MacBook Pro or Dell laptop

Cafeteria plan perks

English classes

Training budget

Volunteer day

Social events

Job summary

Allegro in Warsaw seeks skilled backend engineers to design, build, and optimize high-availability services using Kotlin and/or Python. You will work with MongoDB databases, migrate data, and optimize performance for large-scale datasets while orchestrating AI services to support complex business logic.

The role offers hybrid work with flexible hours (4/1) and up to 30 days remote annually, with a competitive PLN salary and annual bonus based on performance.

Qualifications

• Proficient in Kotlin and/or Python for building robust backend systems.
• Experience with MongoDB including migrations and performance tuning for large datasets.
• Hands-on experience integrating and orchestrating AI services to support business logic.

Responsibilities

• Design, build, and optimize high-availability backend services.
• Migrate databases and optimize performance for large-scale datasets.
• Own microservices from design to deployment in a hybrid, agile team.

Skills

Kotlin

Python

MongoDB

AI integration

English (B2)

Tools

Kafka

Kubernetes

Job description

Allegro in Warsaw seeks skilled backend engineers to design, build, and optimize high-availability services using Kotlin and/or Python. You will work with MongoDB databases, migrate data, and optimize performance for large-scale datasets while orchestrating AI services to support complex business logic.

The role offers hybrid work with flexible hours (4/1) and up to 30 days remote annually, with a competitive PLN salary and annual bonus based on performance.