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Madbox is a fast-growing mobile gaming company. We are looking for a Senior Data Engineer to join our Data Core Team and help us scale and optimize our data infrastructure, working closely with the Data Manager, Data Scientists, ML Engineers, the Analytics team and the Growth team. Based in Barcelona, you will have the opportunity to work alongside an experienced cross-functional team in a fast-moving, creative environment, taking full ownership of end-to-end data solutions that drive our games and business forward.
Job Responsibility:
Start by onboarding on our full Data Stack, both technically (GCP, streaming, big data) and from a business logic perspective
Take ownership of end-to-end data pipelines, ensuring scalability, reliability, and maintainability
Continuously improve our data stack, proposing technical evolutions, monitoring infrastructure performance, and optimizing costs
Contribute to the growth and mentoring of junior profiles, providing guidance, sharing best practices, and supporting their development within the team
Design and optimize data models tailored to solve complex analytical and business requirements
Ensure data quality through cleansing, unit testing, and embedded DQA processes
Communicate effectively with technical and non-technical stakeholders, explaining solutions clearly and constructively
Demonstrate autonomy and decision-making skills, moving projects forward while keeping stakeholders informed
Take a key part in building and maintaining the Data Engineering roadmap, covering infrastructure, robustness, and business-driven initiatives
Requirements:
Master’s degree in Engineering, Computer Science, or equivalent
4+ years of proven experience in Big Data systems architecture and data pipelines
Experience with both SQL and NoSQL databases is required
Strong proficiency in Python
Proven experience with cloud platforms (preferably GCP) and their data services
Hands-on experience setting up and monitoring CI/CD pipelines
Proficient with orchestration tools (ideally Airflow)
Strong communication skills
Analytical and problem-solving mindset with attention to detail
Autonomous, proactive, and always looking for opportunities to improve solutions and processes
A team player who enjoys collaborating in a fast-paced and creative environment
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