Middle Data Engineer for Data Platform Team

GR8 Tech is a leading B2B provider of iGaming solutions that empowers operators to grow, lead, and win. We deliver high-impact, full-cycle tech solutions designed to scale. From seamless integration and expert consulting to long-term operational support, our platform powers millions of active players and drives real business growth. It’s more than just a product — it’s the iGaming Platform for Champions, built for those who play to lead. We know the game and how to take it to the next level. With 1000+ talented professionals on board, we don't just build tech — we build success stories for iGaming operators all over the world. Our ambition drives us, our people make it real. Join us and be part of building champion-level success! What You’ll Be Driving: • Working with large datasets (100+ TB) with updates at least hourly; • Developing and supporting ETL/ELT processes across multiple data sources; • Building and maintaining data warehouses and data marts on AWS (S3, Athena, Redshift), GCP (Cloud Storage, BigQuery), and PostgreSQL; • Designing and implementing RESTful APIs (Aiohttp, Flask, FastAPI) for internal and external data consumption; • Collecting and processing data from Kafka, Google Analytics, Firebase, Appsflyer, Cloudflare, and other third-party applications; • Designing and maintaining a centralized data catalog with well-validated and documented data models; • Automating data quality and integrity tests to ensure high data reliability; • Developing and integrating semantic layers to standardize data access across teams; • Creating and maintaining comprehensive project documentation; • Collaborating with cross-functional teams to understand business requirements and translate them into scalable data solutions; • Driving continuous improvement in data engineering processes, tools, and best practices; • Monitoring data pipelines, resolving incidents, and optimizing performance. What Makes You a GR8 Fit: • Minimum of 2+ years of experience in Python / Data Engineering; • Hands-on experience with ETL, Data Warehousing, and relational databases (PostgreSQL, Microsoft SQL Server, etc.); • Experience with job scheduling and task queues; • Familiarity with cloud providers: AWS (S3, Athena, Redshift), GCP (Cloud Storage, BigQuery), or similar; • Proficiency in Linux and containerization (Docker); • Experience with BDD, TDD, or unit testing frameworks; • Extensive knowledge of software design best practices and design patterns; • Solid Computer Science fundamentals and database theory (types, pros/cons); • Experience in performance tuning of ETL jobs, SQL queries, partitioning, and indexing; • Hands-on experience with version control systems (git) and CI/CD pipelines; • Familiarity with web/mobile application data sources is a plus; • Knowledge or experience with Kubernetes, Apache Airflow, DBT, NoSQL databases (MongoDB, Elasticsearch, Redis), Kafka ecosystem, IaC tools (Terraform, Ansible), Salesforce platforms, and Graph • databases (Neo4j, AgensGraph) is a plus; • Experience in near real-time data processing and data visualization tools (Tableau, PowerBI, Metabase, Grafana, Kibana, Apache Superset) is a plus; • Strong problem-solving, analytical, and data-driven decision-making skills; • Excellent communication skills, with the ability to collaborate across technical and non-technical teams; • Intermediate English or higher. Why You’ll Love Working Here: Benefits Cafeteria An annual fixed budget that you can use based on your needs and lifestyle. You decide how to allocate it: • Sports – gym, yoga, or any activity to keep you active; • Medical – insurance and wellness services; • Mental health– therapy or coaching support; • Home office – ergonomic furniture, gadgets, and tools; • Languages – courses to improve or learn new skills. Work-life • Parental support with paid maternity/paternity leave and monthly childcare allowance; • 20+ vacation days, unlimited sick leave, and emergency time off; • Remote-first setup with full tech support and coworking compensation; • Regular team events – online, offline, and offsite; • Learning culture with internal courses, career development programs, and real growth opportunities. Our Culture & Core Values GR8 Tech culture is how we win. Behind every bold idea and breakthrough is a foundation of trust, ownership, and a growth mindset. We move fast, stay curious, and always keep it real, with open feedback, room to experiment, and a team that’s got your back. • FUELLED BY TRUST: we’re open, honest, and have each other’s backs; • OWN YOUR GAME: we take initiative and own what we do; • ACCELER8: we move fast, focus smart, and keep it simple; • CHALLENGE ACCEPTED: we grow through challenges and stay curious; • BULLETPROOF: we’re resilient, ready, and always have a plan. To keep things efficient, please apply only for roles that closely match your experience.