CareerPlan

Mid/ Senior Java Developer (ST)

Warsaw, Masovian Voivodeship, plRemoteFull-time2025-07-23 → 2026-11-10
Contractor via own company (B2B)

Core

Developing modern electronic banking systems, including a universal mobile app for Android and iOS, and backend solutions for mobile and web services.

Role type

Senior Java Developer (Backend)

Builds

Mobile applications (Android/iOS) and backend services for electronic banking

Domain

Fintech / Banking

Deliverable

production ML models | product features

Required skills

Java (5+ years), Spring Boot, Kafka, RabbitMQ, PostgreSQL, Unit & Integration Testing, Git, JUnit, Mockito

Preferred skills

Agile/Scrum methodologies

Technologies

Java, Spring Boot, Kafka, RabbitMQ, PostgreSQL, Git, JUnit, Mockito

Responsibilities

Develop backend services for mobile and web applications; Build and maintain universal mobile banking apps; Implement unit and integration tests

Seniority

Mid/Senior, hands-on IC