CareerPlan

Senior Java Developer

PB_Cen_Warszawa (ul. Puławska 2), PLFull-timePLN 192k–PLN 240k2026-10-21 → 2026-11-12
Based in Poland

Core

Designing and developing Java applications for ING's banking platform that deliver personalized marketing and sales communications to business clients via web and mobile channels.

Role type

Senior Java Developer (Backend)

Builds

Personalized messaging solutions for ING's internet and mobile banking

Domain

Banking / Financial Services

Deliverable

production ML models | product features

Required skills

Java 17+, Spring Framework, Spring Boot, RESTful API design, Microservices architecture, SQL, Apache Kafka, Redis, Design Patterns, Clean Code, SOLID, Performance tuning, Unit testing

Preferred skills

Apache Spark, Apache Airflow, Data Warehousing, Kubernetes, Docker, Agile/Scrum, Application Monitoring (Prometheus, Grafana)

Responsibilities

Design and develop applications adhering to performance and security standards; Test code; Participate in code reviews; Create technical documentation; Write deployment automation scripts; Support production and fix bugs

Seniority

Senior, hands-on IC