Senior Backend Engineer

About the role

Commencis, an experience design, software engineering and cloud technology company with more than two decades of expertise, is looking for a Senior Backend Engineer. You will contribute throughout the development lifecycle of products across several domains in a fast-paced team environment.

Key responsibilities

• Design, develop and maintain scalable, high-performance backend systems using Java and the Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security)
• Contribute to system architecture decisions and lead the design of monolithic and microservices-based solutions
• Build and maintain Backend-for-Frontend (BFF) layers and core backend services
• Build and maintain RESTful APIs and ensure high availability and performance
• Collaborate with product, design and QA teams; review code and write unit and integration tests
• Troubleshoot, debug and optimize existing systems, and participate in CI/CD and deployment activities
• Mentor junior developers and stay up to date with emerging technologies

Required profile

• BSc/MSc/PhD in Computer Science or a related field, or equivalent practical experience
• At least 5 years of professional backend development experience with Java
• Experience with microservices, distributed systems and relational and non-relational databases
• Interest in AI technologies and AI-assisted development
• Experience or domain knowledge in banking and financial services is a plus

Required skills

• Java and Spring Framework (Spring Boot, Spring MVC, Spring Data, Spring Security)
• OOP, design patterns, DDD, TDD and layered architecture
• Databases such as PostgreSQL, MySQL, MongoDB, Redis; message brokers such as Kafka and RabbitMQ (a plus)
• Git, basic front-end knowledge (JavaScript, HTML5, CSS3), CI/CD pipelines (a plus)

What we offer

• Competitive salary, private health insurance, pension and retirement plans, meal card, commute compensation and work-from-home support
• Flexible working hours and remote working option
• Learning and development programs and access to online e-learning platforms
• Social activities such as happy hours, workshops, parties and a summer festival
• Flat organizational structure with open communication