Java/Kotlin Developer (SEO Apps)

Warszawa / Zdalniemid

OtherKotlin Developer

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Quick Summary

Key Responsibilities

Backend microservices development - designing and maintaining Kotlin/JVM microservices supporting SEO functionalities on a marketplace platform (listings, offer pages, search results,

Requirements Summary

Must have: Kotlin (JVM) + Java 17 - ability to work independently in the JVM ecosystem MongoDB Scala + Spark GCP (Google Cloud Platform) Production issue diagnosis - monitoring analysis,

Technical Tools

OtherKotlin Developer

What you work on today shapes where you’ll be tomorrow.

Looking for your next challenge as a Java/Kotlin Developer? We may have the right opportunity for you.

At B3, we start with people and their experience. We match projects to your skills and professional growth path. Our consultants work across a wide range of industries and technologies, delivering IT projects both in Poland and internationally. This allows you to build your career in a deliberate way - not by chance.

We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we operate with full autonomy. We choose our technologies, processes, and ways of working while maintaining the highest professional standards.

Join us today.

What We Offer

~1 min read

✓Work in a Scandinavian culture built on logic, trust, and open dialogue.

✓Health and sports benefits tailored to your needs.

✓Speed Coaching – short sessions designed to provide new perspectives and solutions.

✓Sports training, an internal team, and opportunities to take part in competitions.

Requirements

~1 min read

Kotlin (JVM) + Java 17 - ability to work independently in the JVM ecosystem
MongoDB
Scala + Spark
GCP (Google Cloud Platform)
Production issue diagnosis - monitoring analysis, identifying bottlenecks and their root causes
Collaboration with business stakeholders - active participation in requirements gathering, daily communication
Polish (native) + English (B2+)
Ability to perform work in Poland (citizenship, residence permit, visa, etc.)