Senior Java Developer

Quick Facts

• Role: Senior Java Developer (Backend)

• Focus area: Client Connectivity solutions

• Work mode: Hybrid (2 days/week in Kraków)

• Engagement: B2B (Antal), full-time

Description

You will work with a team developing and maintaining Client Connectivity solutions. The role covers the full application lifecycle—from requirements analysis and design to development and production support. You’ll build secure, maintainable backend services and help evolve DevOps, CI/CD, and test automation.

Responsibilities

• Design and develop applications following engineering best practices

• Write high-quality, secure, maintainable code

• Collaborate with analysts, architects, and business to define and deliver solutions

• Plan and deliver work in an Agile environment

• Improve DevOps processes, CI/CD, and automate tests

• Support production environments, analyze incidents, and implement improvements

• Mentor less experienced team members

Requirements

• Minimum 6 years of software development experience

• Very good knowledge of Java, Spring Framework, and REST API

• Experience with system integrations and backend application development

• Knowledge of Oracle, MongoDB, or PostgreSQL

• Experience with CI/CD and tools such as Git, Jenkins, Jira, and Confluence

• Knowledge of JUnit or other test automation frameworks

• Communicative English

Benefits

• Global-scale projects

• Opportunity to work with experts from different countries

• Modern technical environment

• Hybrid work: 2 days/week in Kraków office

• Long-term B2B cooperation via Antal

• Real impact on the stability and development of critical banking systems