Remote Kotlin Backend Engineer | Microservices & Dashboards

Appunite; Poznań; Hybrid; PLN 179,000 - 246,000; Full time

Benefits offered by this job

Remote work

Office access in Poznań/Warsaw

Job summary

Appunite is part of the biggest e-commerce platform in Poland and one of Europe’s most recognizable, with almost 200 mln MAU and over 20 years of presence.

You will design, build, and maintain Kotlin/Java microservices across the full development lifecycle, pull data for KPIs, and turn numbers into clear business insights for stakeholders.

The role supports remote work with office access in Poznań, Warsaw, Kraków and Toruń, with quarterly on-site visits to Poznań or Warsaw.

Qualifications

• Solid commercial experience coding in Kotlin or Java.
• Build scalable microservices and RESTful APIs with Spring Boot.
• Write advanced SQL and work with BigQuery (GCP knowledge a plus).
• Create dashboards and present results with clear metrics.
• Communicate effectively in Polish and English (B2+).

Responsibilities

• Design, build, and maintain Kotlin/Java microservices across the full lifecycle, from development through production support.
• Pull the data behind project KPIs such as GMV, transactions, and returns.
• Build dashboards at the end of a project that show its real impact.
• Turn numbers into a business story for stakeholders across teams.
• Collaborate with analysts and other product teams as the roadmap grows.

Skills

Kotlin

Java

Spring Boot

SQL

BigQuery

GCP

Dashboards

REST APIs

Tools

Kotlin

Java

Spring Boot

BigQuery

GCP

Job description

Appunite is part of the biggest e-commerce platform in Poland and one of Europe’s most recognizable, with almost 200 mln MAU and over 20 years of presence.

You will design, build, and maintain Kotlin/Java microservices across the full development lifecycle, pull data for KPIs, and turn numbers into clear business insights for stakeholders.

The role supports remote work with office access in Poznań, Warsaw, Kraków and Toruń, with quarterly on-site visits to Poznań or Warsaw.