Java Developer

Quick Facts

• Role: Java Developer

• Collaboration model: Hybrid (office 1–2 days/week)

• Location: Warsaw

• Rate: 90–110 PLN/h net + VAT for B2B

Description

Join a banking-sector project to develop and maintain applications that support payments, payment cards, and ATMs. You will implement business logic, develop and maintain APIs, optimize performance, and contribute to code reviews. The role also includes creating automated tests to ensure software quality.

Responsibilities

• Implement business logic and develop APIs

• Optimize the performance of developed solutions

• Participate in code reviews and maintain high code quality

• Develop and maintain applications in a banking environment

• Create automated tests and ensure software quality

Requirements

• Practical knowledge of Java and Spring Boot 4.x

• Experience with Spring, Maven, and Lombok

• Experience designing and implementing APIs, RESTful Web Services, and OpenAPI 3

• Ability to optimize application performance

• Knowledge of relational databases and SQL, especially PostgreSQL

• Experience with Flyway and jOOQ

• Experience coding in Java 17–21

• Experience with automated tests using Spock and Groovy

• Knowledge of software development tooling: IntelliJ IDEA, GitLab, Jenkins, Artifactory, and ELK

• Knowledge of containerization and deployment automation with Docker, Ansible, and OpenShift