Data Engineer

AppQuantum is hiring a Data Engineer (Middle) We’re looking for a Data Engineer to join our data team and help scale a high-load data infrastructure that powers analytics and marketing across multiple mobile products. This role is about real impact: you’ll work with DWH on ClickHouse, build and optimize ETL/ELT pipelines, and ensure data reliability and scalability for business-critical decisions. Hands-on experience with ClickHouse, PostgreSQL, Airflow, Kafka.

What we’re looking for:

• 2+ years of experience as a Data Engineer
• 1+ year of hands-on experience with ClickHouse (experience configuring server-side components is a plus)
• 1+ year of experience with PostgreSQL
• 1+ year of experience working with Airflow
• Solid knowledge of Python 3.9+
• Understanding of high-load systems and real-time data pipelines
• Experience building and optimizing ETL/ELT and data marts
• Confident in writing analytical SQL (data mart design and optimization experience is a plus)

Bonus points for experience with:

• Redis, Kafka, FastAPI, Grafana, Graylog, Nginx, GitLab CI/CD

Job Benefits

• Flexible work environment: work remotely from home or in our office in Cyprus
• Paid holidays and sick leave to prioritize your health and well-being
• Competitive salary based on interview results and annual performance reviews
• Opportunities to attend conferences, workshops, and meetups
• English classes
• Cool corporate parties and team-building events
• Holiday Gifts: celebrate special occasions with thoughtful holiday gifts from the company
• Free lunches in our offices: enjoy a pleasant time over a meal with your colleagues