Senior Backend Integration Engineer - Java

Integration Engineer (Middleware)

We are looking for an experienced Integration Engineer (Middleware) to design, develop, and support enterprise integration solutions across the Public Group ecosystem. The ideal candidate will build and maintain scalable microservices and middleware components to ensure secure, reliable, and efficient data exchange between internal systems and external applications.

Responsibilities:

• Design, develop, and maintain middleware solutions and microservices to enable seamless integration between Public Group systems and third-party applications.
• Participate in the full system integration lifecycle, including requirements analysis, solution design, development, testing, deployment, and ongoing support.
• Develop and manage APIs, message queues, and event-driven services to ensure reliable and secure data exchange across platforms.
• Collaborate closely with Public Group business and technical teams to gather integration requirements and translate them into scalable technical solutions.
• Monitor, troubleshoot, and optimize integration workflows to ensure high availability, performance, and data integrity.
• Contribute to architecture discussions and promote best practices in microservices, DevOps, and integration standards.

Requirements:

• 5+ years of related experience, experience in integration projects
• University degree in Computer Science, Engineering, or related scientific field preferred
• Experience with Java 8/11/17+ and Spring Boot Framework
• Good knowledge of Architecture and Design principles and their applications
• Experience with SQL Databases
• Familiar with NoSQL Databases
• Should have strong exposure of hibernate, JPA, J2EE, SQL or NoSQL queries
• Familiar integrating with Rest API's and WebServices
• Perform code reviews to ensure code quality and adherence to coding standards
• Experience with GIT for version control and code collaboration
• Capable of problem identification and resolution
• Experience in solving technical issues with thorough research and investigation
• Team work and great communication skills
• Excellent command of the English language

Desirable Qualifications:

• Familiar with Integration/Unit Testing
• Knowledge of Openshift or Kubernetes
• Familiar with MongoDB
• Familiar with asynchronous communication using technologies such as ActiveMQ/RabbitMq
• Passionate for good results, dynamic and enthusiastic
• High sense of responsibility
• Participation in Agile teams (Scrum or Kanban)
• Experience with JIRA

What we offer:

• Competitive compensation & benefits package
• Performance-based bonus scheme
• Comprehensive life & health insurance
• Flexible hybrid working model – to support your work-life balance
• Psychological support via a professional helpline for you and your family
• Career growth opportunities in a role that evolves with you
• Valuable experience in a well-known and fast-growing organization
• Continuous learning and upskilling through tailored programs
• Employee Wellness Program – office Pilates & sports teams (padel, football, volleyball & more)
• Alternative transportation with company shuttle buses to our offices
• Exclusive access to our employee app, OrangeGen, packed with tools, news & perks

What Does OrangeGen Offer? Connect: Engage with your colleagues and management seamlessly, ensuring you're always in the loop and part of our dynamic community. Recognize: Celebrate achievements and milestones with a culture of recognition that boosts morale and fosters a positive work environment. Custom Rewards: Enjoy personalized rewards and kudos, tailored to recognize your unique contributions and achievements. Are you ready to be the next #OrangeGen maker? Orange Gen, is our team of 2.200 people who are committed to cultivating an innovative retailtainment environment, supporting continuous development, and embracing flexibility—all while placing customer centricity at the forefront. We believe in fostering a culture that values your contributions, boosts your ambitions, and supports personal and professional growth. "Joy at Public" is our main motto which lies in creating a workplace where every individual is empowered to excel and evolve, always keeping the customer at the heart of our endeavors. All applications will be treated with the strictest confidentiality.