Senior Java Developer

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About the project

This is how we organize our work

This is how we work

Your responsibilities

• Designing, developing, and maintaining Java applications supporting savings and investment products.
• Building robust calculation engines that ensure compliance with current tax regulations across multiple countries.
• Developing support for complex business processes, integrating with tax authorities, and generating customer-facing reports.
• Participating in the full software development lifecycle, including requirements analysis, design, coding, testing, and deployment.
• Collaborating with financial analysts to translate business requirements into technical solutions.
• Mentoring other developers, acting as a code reviewer or design sparring partner, and spreading practical engineering practices across the team.
• Responsibly utilizing AI-assisted development and automation tools to improve productivity, quality, and continuous learning.

Our requirements

• Strong proficiency in Java (especially Java 21) and related frameworks (Spring, Spring Boot, Hibernate).
• Experience with relational databases and SQL (e.g., PostgreSQL).
• Knowledge of messaging protocols such as JMS, MQ, etc.
• Knowledge of OpenAPI and AsyncAPI for producing and consuming data.
• Familiarity with version control systems (Git) and CI/CD pipelines.
• Solid understanding of software design patterns and Object-Oriented Programming (OOP) principles.
• Advanced English proficiency, allowing for smooth communication in an international environment.

What we offer

• A transparent B2B contract signed directly with Optiveum as your contracting party.
• Attractive hourly rate up to 150 PLN/h net + VAT.
• Ongoing operational support from Optiveum throughout the entire duration of our cooperation.
• The opportunity to work in a collaborative, international environment strongly influenced by a supportive Swedish organizational culture.
• A flexible hybrid working model.

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Benefits