Senior Software Engineer (Adtech)

Location: Hybrid (3 days per week in the office) in Ljubljana, Slovenia

Company

A leading omnichannel advertising platform leveraging predictive AI to connect quality media and brand creative for publishers and advertisers globally.

What you will do

• Manage large-scale identity graphs and oversee the production delivery of identity signals using Scala and C*.
• Build full-stack infrastructure for premium measurement metrics, including Attention, Brand Lift, and Sales Uplift.
• Develop ETL pipelines and integrate Data Science logic using BigQuery, DBT, Python, and Airflow.
• Design and implement high-performance internal and external APIs to facilitate third-party feedback loops.
• Develop systems for user segmentation and cookieless data ingestion to ensure multi-screen consistency.
• Collaborate with Product teams to adapt Cloud infrastructure for new features and products.

Requirements

• Proven experience as a Senior Software Engineer working in high-traffic, low-latency environments.
• Proficiency in Scala and TypeScript.
• Experience with BigQuery, DBT, and Python/Airflow for signal analysis and exploratory tooling.
• Must be based in or able to work hybrid in Ljubljana, Slovenia (3 days per week in office).
• English proficiency (CV must be submitted in English).

Culture & Benefits

• Continuous investment in skills through in-house and external training and internal mobility.
• Balanced work-life with 22 days off per year.
• Flexibility with 15 days of "work from anywhere" per year.
• Premium work equipment and home office subsidy.
• Dynamic, global culture promoting diversity, inclusion, and employee-led resource groups.