Intern Java Backend Developer, Circle K

Intern Java Backend Developer

Circle K

Location:

Poland, Warszawa

Category:

IT - Software Development

Contract Type:

Employment contract

Salary:

Not provided

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Job Description:

We are looking for a Java Back-End Developer Intern to join our dynamic engineering team. As an intern, you will contribute to the development and enhancement of our retail and fuel platforms and management systems, working on microservices architecture, cloud integration, and API development. You will gain hands-on experience in enterprise-level application development while collaborating with senior developers, architects, product managers and other roles involved in SDLC.

Job Responsibility:

Assist in developing and maintaining RESTful APIs using Java and Spring Boot for eMobility services
Work with databases (PostgreSQL, MySQL) to store and process EV charging and mobility data
Write clean code and follow best practices and participate in code reviews
Collaborate with senior developers to debug, optimize, and enhance backend services
Participate in Agile development processes, including daily stand-ups and code reviews

Requirements:

Understanding of Java programming fundamentals
Understanding of basic OOP principles
Basic understanding of algorithms and data structures
Basic understanding of SQL and database management
Basic understanding of RESTful APIs
Familiarity with Git
Exposure to testing frameworks
Exposure to frameworks like Spring or Hibernate (optional)
Willingness to learn with open mindset
Good communication skills and open for other people
Team collaboration
Basic problem-solving
English level B1+ (written and spoken)

Nice to have:

Exposure to frameworks like Spring or Hibernate

What we offer:

Hands-on experience with modern backend technologies in the eMobility market
Hands-on experience with SCRUM and SAFe
Exposure to industry-leading EV charging and smart mobility projects
Mentorship from experienced developers and domain experts
Potential for a full-time offer upon completion of the internship

Additional Information:

Job Posted:

March 22, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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