Senior Java Backend Developer

Wynagrodzenie

B2B: 140 – 150 PLN / godz. netto

The consultant will be responsible for developing, enhancing and maintaining our Java-based applications that handle taxation, account management, and investment processing for our pension and savings products.

Responsibilities:

• Design, develop, and maintain Java applications supporting savings and investment products

• Build and enhance calculation engines ensuring compliance with tax regulations across multiple countries

• Develop solutions supporting complex business processes, tax authority integrations, and customer-facing reporting

• Participate in requirements analysis, solution design, development, testing, and deployment

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

• Mentor developers and act as a code reviewer and design sparring partner

• Promote practical engineering practices across the development team

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

• Contribute strong collaboration and analytical skills to solve complex technical challenges

Requirements:

• Strong experience in Java 21 and Java-based application development

• Hands-on experience with Spring Boot and related Java frameworks

• Proven experience with relational databases and PostgreSQL SQL

• Practical experience with messaging technologies such as JMS, MQ, or similar protocols

• Strong proficiency in Java frameworks including Spring and Hibernate

• Knowledge of OpenAPI and AsyncAPI for producing and consuming data

• Familiarity with Git and CI/CD pipelines

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

• Ability to collaborate effectively with cross-functional stakeholders

• Strong analytical and problem-solving skills

• Very good command of English, both spoken and written