DWH Developer (m/f/n), Luxembourg

tasks

• You design, develop, and maintain data pipelines and integrations for our national energy data platform using Python, Java, Kafka, and TimescaleDB
• You collaborate with product managers, data architects, and other developers to understand data requirements and deliver efficient solutions
• You develop and optimize data models and schemas for performance, scalability, and reliability
• You write and maintain complex SQL queries to support analytics, reporting, and data transformations
• You implement and maintain APIs and data services to ensure seamless data integration and accessibility
• You ensure the reliability, performance, and efficiency of data workflows and systems
• You write clean, maintainable, and well-documented code following best practices and standards
• You participate in code reviews and provide constructive feedback to ensure code quality and consistency
• You debug, troubleshoot, and resolve data and system issues to maintain stability and reliability
• You contribute to the improvement of data engineering practices, tools, and workflows
• You stay up to date with advancements in data technologies, tools, and industry trends to enhance our platform's capabilities

profile

• You hold a Bachelor’s degree in Computer Science, Software Engineering, or a related field
• You have at least 4 years of experience in data engineering or backend software development, with a focus on data pipelines, integration, and microservices architecture.
• Strong proficiency in Python and Java, including experience with frameworks such as Spring Boot and data processing libraries
• Hands-on experience with event-driven architectures and tools such as Kafka
• You demonstrate expertise in database systems (SQL and NoSQL), data modelling, and query optimization
• You are familiar with time-series databases, such as Timescale DB, is a strong advantage
• Knowledge of RESTful API design and development for data integration
• Understanding of version control systems (e.g., Git) and CI/CD pipelines
• You have experience working with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes)
• A strong interest in business processes within the energy market and the ability to align technical solutions with business needs
• Excellent analytical and problem-solving skills with a keen attention to detail
• Ability to work independently and collaboratively in a fast-paced, agile environment
• Strong communication skills, a team-oriented mindset, and enthusiasm for knowledge sharing and mentorship
• Highly effective verbal and written communication skills in English. The knowledge of German and/or French is considered an asset