Fullstack Developer (m/f/n), Luxembourg

Creos Luxembourg S.A. is the operator of electricity and natural gas networks in Luxembourg. Nearly 900 employees currently serve the company.

Creos is responsible for the planning, construction, maintenance, and operation of high, medium, and low voltage electricity networks, as well as high, medium, and low pressure natural gas pipelines that it owns or has been entrusted to manage. The networks managed by Creos include more than 12,000 km of electricity lines and approximately 2,200 km of natural gas pipelines, serving over 317,000 electricity customers and around 50,000 natural gas customers.

Your tasks

• You design, develop, and maintain Java-based microservices and Svelte web applications for our national energy data platform
• You implement RESTful APIs to enable seamless data integration and communication between services
• You implement responsive and accessible user interfaces across all platforms
• You support the maintenance of a consistent design language across product interfaces by following established UI standards
• You collaborate with product managers, architects, and other developers to understand requirements and deliver robust software solutions
• You ensure the performance, quality, and responsiveness of applications
• You write clean, maintainable, and efficient code following best practices and industry standards
• You participate in code reviews, providing constructive feedback to peers
• You debug and resolve technical issues, ensuring system reliability and stability
• You contribute to the continuous improvement of development processes and tools
• You stay up to date with emerging technologies and industry trends to enhance our platform

Your profil

• You hold a Bachelor’s degree in Computer Science, Software Engineering, or a related field
• You have at least 4 years of experience in software development
• Strong proficiency in Java development, including frameworks such as Spring Boot
• Agile mindset, strong communication skills and team player mentality, as well as enjoy building knowledge and developing talent
• You are result-oriented, have excellent problem-solving skills and a keen eye for details
• You are able to work independently and as part of a team in a fast-paced, agile environment
• You have experience with RESTful API design and development, and you demonstrate proficiency in Typescript and UI frameworks (e.g. Svelte, React, Angular or Vue)
• Knowledge of database systems (SQL and NoSQL) and data modelling
• Understanding of version control systems (e.g., Git) and CI/CD pipelines
• Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes)
• Highly effective verbal and written communication skills in English. The knowledge of German and/or French is considered an asset

What we offer

• The opportunity to join a Group that actively shapes the energy transition in Luxembourg and the Greater Region
• A multicultural and international working environment that encourages diversity and inclusion
• A competitive salary with many additional benefits (e.g. pension plan, additional health insurance, free parking, company restaurant, etc.)
• Continuous learning and development career path adapted to the needs of each employee
• Hybrid working mode with the possibility to work from home and 34 days off per year