Middle Full Stack Java Developer (Spring / JPA / PostgreSQL) Sequel $$$
Madfish
Software Engineering
Ukraine · Europe
Posted on May 10, 2026
Responsibilities
- Design and develop full-stack web applications
- Build and maintain backend services using Java & Spring (Boot, MVC)
- Architect and optimize database solutions (PostgreSQL)
- Work with JPA / Hibernate for efficient data handling
- Implement secure authentication and authorization (Spring Security)
- Develop and maintain frontend using HTML / CSS / JavaScript / jQuery / Bootstrap
- Design and integrate REST APIs
- Improve system performance, scalability, and reliability
- Participate in architectural decisions and code reviews
- Mentor junior developers
Requirements
- 2+ years of commercial experience with Java & Spring
- Solid understanding of OOP, SOLID principles
- Hands-on experience with JPA / Hibernate
- Experience with PostgreSQL
- Understanding of REST API design
- Good knowledge of frontend stack (HTML / CSS / JS / jQuery / Bootstrap)
- Experience with Spring Security
- Ability to work independently on features
Nice to Have
- Experience with Docker and containerized environments
- Familiarity with message brokers (e.g., RabbitMQ)
- Experience with microservices architecture
- CI/CD experience
- Experience working on high-load systems
What We Offer
- Real impact on product and architecture decisions
- Flexible working conditions
- Competitive compensation (based on experience)
- Growth opportunities and technical challenges
- Supportive and pragmatic engineering culture