We are looking for a talented Data Engineer to join our Data Unit team!

In this role, you'll help us scale and stabilize our high-load data infrastructure. You’ll work on building, debugging, and optimizing data pipelines, developing and maintaining foundational data marts used across the business, and ensuring the resilience of real-time streaming from key sources.

We’re looking for someone who’s not only excited to build new solutions — but also ready to take ownership of existing systems and take them to the next level.

This is a great opportunity to work in a data-driven environment, solve real business problems, and collaborate closely with analysts, product teams, and other engineers.

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

Skills, Knowledge & Expertise

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+
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
Fluent in Russian

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

About AppQuantum

AppQuantum is an international mobile free-to-play game publisher. Our company was founded in 2017 and is successfully growing and scaling!

We help talented developers around the globe focus on making mobile games they love. We publish their games and increase their revenue, so they can produce worldwide hits.

AppQuantum is renowned for its popular titles, including Gold & Goblins, Idle Lumber Empire, and Idle Outpost, among others.

The company is headquartered in Cyprus. Our team has 140+ people working from 18 locations, and we’re constantly looking for new professionals!

Data engineer

Anywhere in the world

Remote

Mid-level

AppQuantum