Senior Fullstack Engineer
New
H
Helvetia Baloise GroupInsurance Reinsurance
Work from anywhere in PolandFull-TimeSenior
Salary20,000 - 24,000 PLN per month
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Job Details
- Languages
- Fluent English
- Experience
- Several years of experience in fullstack software development
- Required Skills
- PostgreSQLSQLHibernateJavaSpring BootAngularRESTful APIsPlaywright
Requirements
- Bachelor's degree in Computer Science or equivalent practical experience.
- Several years of fullstack software development experience in agile environments.
- Proficiency with Java 21+, Spring Boot, and Spring Data JPA/Hibernate.
- Proficiency with Angular, including standalone components and signals.
- Advanced PostgreSQL skills (schema design, indexing, JSONB, advanced SQL).
- Experience with SQL/jOOQ for complex reporting queries.
- Strong understanding of authorization and access-control models in multi-tenant environments.
- Experience with JUnit 5, Testcontainers, and Playwright.
- Strong understanding of REST APIs and OpenAPI.
- Fluent English (C1 level).
- Strong code-review skills and focus on software quality.
Responsibilities
- Design and implement vertical slices across the database, backend, and frontend.
- Develop secure and configurable authorization across multi-tenant organizations.
- Design and optimize PostgreSQL solutions including schemas, JSONB, and concurrency.
- Develop automated tests using JUnit 5, Testcontainers, and Playwright.
- Review and validate AI-assisted code and technical documentation.
- Contribute to software architecture, technical decisions, and engineering standards.
- Analyze existing applications to reproduce business behavior in the new solution.
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