Yesterday

Data Engineer (Middle)

Gamedev | AppQuantum

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.

Key Responsibilities

  • Maintain and enhance our high-load DWH built on ClickHouse
  • Design, develop, and optimize low-level data marts for business-critical reporting
  • Support and improve our ETL/ELT pipelines for operational analytics
  • Ensure fault tolerance of our data infrastructure and cover key components with alerting
  • Support and optimize data storage, ensure cost-efficiency and scalability
  • Monitor and improve real-time data streaming via Push API

What we’re looking for:

  • 2+ years of experience as a Data Engineer
  • Strong skills in Python and SQL
  • Hands-on experience with ClickHouse, PostgreSQL, Airflow, Kafka
  • Experience building and optimizing ETL/ELT and data marts
  • Understanding of high-load systems and real-time data pipelines
  • 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
  • Bonus system tied to the company's success and performance
  • 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

More information about the vacancy: Data Engineer (Middle) at AppQuantum - Wantapply.com