Backend Software Engineer (all genders)

About us

Are you passionate about building powerful backend systems that drive the future of renewable energy? Join our innovative mc Cloud product development team, and further develop our central management platform, which allows access to our full range of products and services, account management, as well as user management and billing.

Your mission:

As a Senior Backend Developer, you will: 

• Service Architecture: Design and develop scalable microservices for the mc Cloud platform using Kotlin and Spring Boot, 
• API Development: Build robust RESTful APIs that power frontend applications and integrations, 
• Containerization: Create containerized applications to ensure portable software,
• Database Optimization:Optimize MongoDB and Postgresql databases, to improve performance and scalability,
• System Analysis: Continuous analysis, further development, and optimization of the system in terms of usability and new technologies,
• Performance Engineering: Ensure backend services meet demanding performance and reliability requirements, 
• Security Implementation: Build secure services with proper authentication, authorization, and data protection, utilizing current IdP technologies,
• Technical Collaboration: Work closely with frontend developers and the Full Stack team lead, to deliver cohesive features, 
• Code Quality: Deliver high quality software solutions by exhibiting a strong understanding of software development principles and best practices.

You want to save the world with us?

Ready to power the future? Join Romania's thriving tech hub, and work from our modern office in Cluj-Napoca. Collaborate with international colleagues while building backend systems that power the renewable energy revolution. If you're excited about building robust, scalable backend systems, that make a real impact on renewable energy management, we want to hear from you! Apply now and join a team that's creating the technological foundation for a sustainable future.

Your profile:

• Education: Bachelor's/Master's in Computer Science, Software Engineering, or related field,
• Experience: 3+ years in backend development with enterprise applications,
• Kotlin/Java Expertise: Expert-level proficiency with Spring ecosystem,
• API Design: Strong experience with RESTful services, API design principles, and documentation,
• Database Skills: Advanced MongoDB and Postgresql knowledge, including performance optimization,
• Microservices: Experience with distributed systems and microservices patterns,
• Cloud Knowledge: Hands-on experience with Kubernetes cluster management and orchestration in cloud-native environments,
• Message Queuing: Experience with RabbitMQ or similar event streaming platforms,
• Testing Mindset: Practical experience with version control, test-driven development, and software testing best practices,
• DevOps Skills: Experience with containerization and CI/CD pipelines,
• Communication: Excellent English skills (mandatory), German is a plus but not required,
• Growth mindset: Life-long learner with the ability to quickly adapt to new challenges.

Das hast du im Gepäck

Your Tech Stack: 

• Core: Kotlin, Java, Spring Boot, Spring Security,
• APIs: REST, OpenAPI/Swagger,
• Databases: MongoDB, Redis, Postgresql,
• Messaging: RabbitMQ, event-driven architecture,
• Cloud & DevOps: Docker, Kubernetes, CI/CD, Gitlab,
• Monitoring: Prometheus, Grafana,
• Testing: JUnit, Mockito,TestContainers,
• Tools: Git, Gradle, Maven, IntelliJ IDEA,
• Security and Identity: OpenId Connect, Keycloak, OAuth 2.0, Entra.

You can look forward to:

• Technical Excellence: Focus on backend development with cutting-edge technologies,
• Hybrid Working Model: Flexibility between office and remote work,
• International Environment: Collaborate with teams across twelve locations worldwide,
• Modern Tech Stack: Work with Kotlin, Spring Boot, MongoDB, RabbitMQ, and cloud platforms,
• Professional Development: Continuous learning opportunities in backend technologies and cloud architecture,
• Meaningful Impact: Develop and improve our central management platform which allows access to our products, account management, user management, and billing,
• Performance at Scale: Contribute to systems handling thousands of users and requests.

What we offer you

• A wide range of benefits to make your employee experience worthwhile: Meal vouchers, cultural vouchers, vacation vouchers, and much more,
• A comprehensive medical insurance: To ensure the wellbeing of all our employees.

Your Contact Person