Full Stack Developer / Java Developer

Technologies we use

Expected

• Java
• Spring Framework
• Oracle
• MongoDB
• PostgreSQL
• Git
• GitHub
• Confluence
• Jira
• SonarQube
• JUnit
• MuleSoft

Optional

• Spring Cloud
• MuleSoft
• Seeburger BIS
• Kafka
• RabbitMQ
• Redis
• Docker

Operating system

• Linux

About the project

Do you have strong expertise in Java, Spring Framework, and database integration? Are you passionate about building scalable, high-quality solutions in global banking technology? Our client is looking for an experienced Full Stack Developer to join the client's team, delivering enterprise-level solutions in a dynamic Agile environment.

Sounds like your kind of challenge?

This is how we organize our work

This is how we work

• at the client's site
• agile
• kanban

Your responsibilities

• Build, design, and implement full-stack solutions aligned with client’s architecture and controls.
• Participate in all phases of development: analysis, design, coding, testing, UAT support, production deployment, and operations.
• Take ownership of technical direction, code quality, and performance optimizations across systems.
• Collaborate with business SMEs and Solution Architects to understand requirements and shape roadmaps.
• Develop high-quality, secure, and maintainable code with strong adherence to engineering best practices.
• Support DevOps practices, including CI/CD pipelines, automated testing, observability, and operational readiness for smooth releases.
• Mentor junior engineers, conduct code reviews and knowledge sharing, and improve engineering standards.
• Contribute to incident management and root-cause analysis when required.
• Note: Detailed project information will be shared during the recruitment process.

Our requirements

• 6+ years of experience in enterprise software development, including Agile and Waterfall environments.
• Strong Java development and Spring Framework expertise (including RESTful API development).
• Experience with system integrations and migration projects; exposure to full-stack approaches is a plus.
• Familiarity with DevOps practices and Agile frameworks (e.g., DAD, Agile Control Framework).
• Strong knowledge of databases: Oracle, MongoDB, PostgreSQL.
• Experience with CI/CD pipelines and build automation tools (Jenkins, Ansible).
• Proficiency with Git/GitHub, Confluence, Jira, and SonarQube or equivalents.
• Testing practices: JUnit, automated testing frameworks.
• Comfortable providing production support and improving system reliability.

Optional

• Experience with Spring Cloud, MuleSoft, or Seeburger BIS integrations.
• Knowledge of Kafka, RabbitMQ, Redis, or containerization (Docker).
• Understanding of EDI workflows, microservices architecture, and API management.
• Hands-on with test automation and monitoring tools.

What we offer

• Flexible cooperation model
• Hybrid work setup – 8 days per month in the office in Kraków - remote days available depending on the client’s arrangements
• Collaborative team culture – work alongside experienced professionals eager to share knowledge
• Continuous development – access to training platforms and growth opportunities
• Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
• High quality equipment – laptop and essential software provided

This is how we work on a project

• Continuous Deployment
• Continuous Integration

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.

Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.