JAVA Developer (Freelance possible)

Role Overview:

• Ensure continuity and support for critical backend systems by stepping in as an experienced Java Developer.
• This role contributes to the strategic objective of reducing dependency on external service providers by securing in-house expertise.

Key Responsibilities:

• Develop and maintain robust backend components using Java.
• Design, implement, and maintain reusable and secure RESTful APIs.
• Apply object-oriented programming principles, manage collections and streams, and handle exceptions effectively.
• Utilize frameworks and tools such as Spring Boot, JPA/Hibernate, Maven/Gradle.
• Conduct unit and integration testing to ensure software quality and reliability.
• Participate in code reviews and maintain coding standards.
• Support deployment processes, including cutover and hypercare phases.
• Address and resolve technical defects and provide support as needed.
• Maintain and update technical documentation.

Technical Skills Required:

• Strong core Java proficiency.
• Extensive experience with:
  • Spring Framework (minimum 5 years)
  • Microservices architecture (minimum 5 years)
  • REST API design and integration
  • Integration with SaaS solutions
• Familiarity with testing frameworks and tools.
• Strong adherence to software quality and security best practices.

Conformity Criteria:

• At least 10 years of professional experience as a Java developer.
• Minimum 5 years working in a microservices-based architecture.
• Proven experience integrating Java applications with SaaS platforms.
• Minimum 5 years working with Spring ecosystem.
• At least 5 years experience in a public transportation context.
• Proficiency in English at C1 level or equivalent, both spoken and written.