About the Company

DevriX is a leading digital solutions company working with Fortune 500 subsidiaries, multinational publishers, and high-traffic digital platforms, processing over 2 billion monthly page views. We build sophisticated data infrastructure, analytics platforms, and custom data solutions for enterprise clients operating at massive scale. We are looking for a Data Engineer who is passionate about building scalable data infrastructure, optimizing performance at scale, and turning billions of data points into actionable insights for global brands. This is a full-time on-site role at our Sofia, Bulgaria office.

Key Goals

Design, build, and maintain robust data pipelines supporting millions of daily events across our client portfolio
Develop ETL/ELT workflows integrating data from multiple platforms – advertising networks, CRM systems, analytics tools, and custom applications
Optimize BigQuery schemas and queries for performance and cost-efficiency
Build automated reporting systems processing millions of events daily
Implement data quality monitoring and validation processes across high-traffic platforms, generating hundreds of millions of monthly users
Work with engineering teams to instrument applications for proper data collection
Architect cloud-based data infrastructure supporting global enterprise clients
Deliver end-to-end data solutions – from ingestion through transformation to visualization
Your work will directly influence business decisions for multinational clients across diverse industries

Role Requirements

Strong SQL skills for complex queries, optimization, and database design at scale
BigQuery experience – schema design, query optimization
Python proficiency for data processing, automation, and pipeline development
Comfortable with spreadsheets (Google Sheets/Excel) for ad-hoc analysis and reporting
Understanding of ETL/ELT concepts and data pipeline design patterns
Git workflows and version control
Experience with web analytics at scale (Google Analytics, Google Tag Manager)
Ability to work with APIs and integrate data from diverse sources
Extreme ownership – you take responsibility for data quality and pipeline reliability
High velocity – you ship working solutions quickly and iterate based on real-world performance

Nice to Have

Apache Airflow experience for workflow orchestration (highly preferred!)
Experience with other orchestration tools (Prefect, Dagster)
Familiarity with data visualization tools (Looker Studio, Tableau, or similar)
Cloud platform experience (Google Cloud Platform, AWS, Azure)
Terraform or Infrastructure as Code experience
Experience with CRMs and ERPs (HubSpot, Salesforce, NetSuite, Marketo) and pipelines/workflows around them
Experience with advertising platforms (Google Ad Manager, Facebook Ads API, programmatic advertising)
Understanding of high-traffic web infrastructure and content management systems
Basic understanding of JavaScript for web event tracking and instrumentation!

Extended Availability

Extended availability (evening shifts, on-call) for our US portfolio of clients is a competitive advantage with additional career opportunities and compensation.

What’s In It For You:

Work on global brands generating hundreds of millions of views – subsidiaries of Fortune 500 companies, leading publishers, and multinational companies
Real ownership over architectural decisions and data infrastructure
Solve unique data engineering challenges across diverse clients and industries
A culture of self-management, decision-making, and brutally honest feedback
Dynamic environment where velocity matters – you’ll drive impact, not just throughput reporting
Take part in initiatives with our partners at Google, Amazon,

HubSpot, and Microsoft

Represent DevriX at webinars,

publications, podcasts, and community events - - - - - - - - - - - - - - -

Tech & management books,

tools, and subscriptions on demand Office managers coordinating deliveries, orders, car maintenance, and document management Birthday vouchers and anniversary coupons plus ad-hoc prizes for internal challenges Internal workshops training sessions Private health insurance 50% subsidized Multisport card options team CrossFit workouts Fresh fruits snacks kitchen Dog-friendly office hookahs available throughout day Flexible working hours later shifts available