Senior Backend Java/Kotlin Engineer — E-commerce, Remote

ZEN; Kraków; Remote; PLN 45,000 - 65,000; Full time

Benefits offered by this job

High autonomy and ownership

Hands-on AI learning opportunities

Supportive team culture

Job summary

A growing fintech company is seeking a Senior Backend Java/Kotlin Engineer to develop innovative e-commerce solutions. The ideal candidate will have over 4 years of experience in e-commerce projects, be fluent in Spring and Java/Kotlin, and possess a strong understanding of e-commerce processes. This role offers a supportive environment, focused on creating user-centric software, and encourages experimentation with AI technologies. It provides high autonomy and the opportunity to work remotely from Poland.

Qualifications

• 4+ years working on e-commerce projects.
• Understanding of challenges around e-commerce processes.
• Experience with AI in systems and tools.

Responsibilities

• Build components of a service-oriented ecosystem.
• Design processes that connect key parts of the system.
• Work on AI flows that automate data processing.

Skills

E-commerce project experience

Fluency in Spring

Fluency in Java/Kotlin

Understanding of e-commerce challenges

Tools

REST APIs

AI technologies

NoSQL / MongoDB / Elasticsearch

Python 3.12+

Job description

A growing fintech company is seeking a Senior Backend Java/Kotlin Engineer to develop innovative e-commerce solutions. The ideal candidate will have over 4 years of experience in e-commerce projects, be fluent in Spring and Java/Kotlin, and possess a strong understanding of e-commerce processes. This role offers a supportive environment, focused on creating user-centric software, and encourages experimentation with AI technologies. It provides high autonomy and the opportunity to work remotely from Poland.