Backend Java Developer

Rate: 150 pln/h net + VAT, B2B

Location: Hybrid (3 days per week from office in Warsaw/Gdańsk)

Industry: banking

Summary: The primary objective of this role is to develop, enhance, and maintain Java-based applications that manage taxation, account management, and investment processing for pension and savings products.

Main Responsibilities:

• Design, develop, and maintain Java applications supporting savings and investments products.

• Build robust calculation engines to ensure compliance with current tax regulations across multiple countries.

• Develop support for complex business processes, integrating with tax authorities, and generating customer-facing reports.

• Participate in the full software development lifecycle, including requirements analysis, design, coding, testing, and deployment.

• Collaborate with financial analysts to translate requirements into technical solutions.

• Mentor other developers, act as a code reviewer, and spread practical engineering practices across the team.

• Utilize AI-assisted development and automation responsibly to improve productivity, quality, and learning.

• Exhibit strong collaboration and analytical skills.

Key Requirements:

• Strong proficiency in Java and related frameworks (Java 21, Spring Boot, Hibernate).

• Experience with relational databases and SQL (PostgreSQL).

• Knowledge of OpenAPI and AsyncAPI.

• Familiarity with version control systems (Git) and CI/CD pipelines.

• Understanding of software design patterns and object-oriented programming principles.

Nice to Have:

• Experience with messaging protocols (JMS, MQ).

• Good analytical skills and strong collaboration skills.

Other Details:

• Required Language: English