QA Engineer (Middle+/Senior) — Analytic Services (вакансія неактивна)

🎯 Role Overview

The Analytic Services team builds and maintains data infrastructure and analytics services: brand data flows, APIs for back office and frontend, integrations with external platforms, and reporting & metrics for operators. The core stack includes analytics services built on MySQL/ClickHouse-like storages, REST API, data pipelines, and admin panels.

👤 Our criteria:

— 3+ years of experience in backend / API testing;
— Strong SQL skills (complex queries, JOINs, window functions, aggregates);
— Experience testing REST APIs (Postman or similar tools);
— Understanding of how data works: sources, transformations, consistency;
— Ability to read logs and understand what’s happening in the system;
— Experience writing test cases and acceptance criteria;
— Self-sufficiency: ability to figure out a task without detailed specs;
— Hands-on experience with Apache Kafka: producer/consumer model, topics, offsets, message delivery verification.

⚙️ Your Tasks:
​
— Testing REST API of analytics services: data correctness, pagination, caching, backward compatibility on changes;
— Validating data in reports and dashboards (back office, sadmin, Power BI): verifying metric calculations against source data;
— Testing data flows when onboarding new brands: completeness, no duplicates or data loss;
— Participating in data incident investigations: tracing discrepancies in reports, checking pipelines via logs (Grafana, etc.);
— Writing and reviewing SQL queries to verify data in the database;
— Testing integrations with external systems;
— Participating in grooming sessions, writing acceptance criteria, reviewing tasks before development starts;
— Maintaining and updating test documentation;
— When needed — jumping into tasks with adjacent teams: cross-service feature testing, coverage support during high-load periods or release windows.

⭐ Nice to have:

— Basic data engineering experience: understanding of ETL/ELT, data pipelines, data flows;
— Familiarity with ClickHouse, BigQuery or similar analytical databases;
— Experience with BI tools (Power BI, Grafana, Metabase);
— Familiarity with affiliate systems or iGaming products;
— Experience with API integrations (especially external platforms);
— Understanding of caching principles and cache invalidation testing.

💼 Our Offer:

— Flexible work setup — work remotely or from the office, we focus on results, not location;
— Support for a comfortable work environment — we compensate coworking expenses and EcoFlow power stations to help our team stay productive during power outages in Ukraine;
— Unlimited vacation and sick leave, because we trust our people to manage their time responsibly;
— Relocation support for team members who want to move;
— Regular performance-based bonuses that reward individual and team impact;
— Learning support — we cover 50% of professional courses and development programs;
— Language & wellbeing support — we cover 50% of English classes and psychological consultations;
— Career growth opportunities — we prioritize internal promotions and development;
— Team culture that actually feels like one — regular gifts, company merch, and team events throughout the year;
— Real impact — we are small enough for every voice to be heard and big enough to turn great ideas into action quickly.