• Design, develop, and maintain APIs and services supporting ad campaign management, targeting, delivery, attribution, and reporting • Architect scalable, reliable, and high-performance distributed systems • Optimize systems for high-throughput and low-latency event/data processing • Drive architectural decisions and establish development patterns • Collaborate with distributed teams to ensure seamless integration and delivery • Mentor and guide other engineers, fostering technical excellence • Ensure code quality, maintainability, and alignment with long-term product goals • At least 5 years of commercial experience in building scalable, high-performance systems • Hands-on experience with AdTech solutions such as DSP, SSP, ad exchange, prebid, Google Ad Manager, or openRTB • Strong proficiency in Python, preferably with the Django framework • Solid knowledge of computer science fundamentals, including data structures, algorithms, and distributed systems • Good understanding of distributed system architecture with a focus on data availability, reliability, and performance • Practical experience with Kubernetes, PostgreSQL, and AWS • Upper-Intermediate level of English WILL BE A PLUS:• Experience with dbt and Redshift • Familiarity with interior decor industry solutions PERSONAL PROFILE• Attention to detail and quality • Excellent communication skills • Leadership mindset, proactiveness Are you a seasoned engineer passionate about building scalable, high-performance systems?