Senior Production Support Engineer

illumin is a leading technology company that provides marketers with a one-stop solution for
omnichannel digital advertising with best-of-category return on advertising spend. Our journey
automation technology, illumin, offers planning, buying, and real-time intelligence, all from one
platform. With proprietary Artificial Intelligence, illumin brings unique programmatic capabilities to
close the gap between advertising planning and execution. illumin is headquartered in Toronto and
has offices throughout Canada, the U.S., Europe, and Latin America.

illumin is seeking a highly skilled Senior Production Support Engineer to join our team and ensure
the operational stability and scalability of our proprietary illumin platform. This position is critical
to the uninterrupted delivery of our high-performance, AI-driven advertising technology and
requires deep technical expertise, and platform-specific knowledge.

illumin platform has a unique architecture and operational complexity which requires prior hands-
on experience supporting and enhancing similar large-scale ad-tech environments.

What You Will Do

• Platform-Specific Troubleshooting: Investigate and resolve complex technical issues within the illumin platform, ensuring minimal disruption to advertising campaigns and client services.
• Real-Time Production Support: Monitor and maintain the production environment with a focus on high-availability, high-throughput, and low-latency ad transaction processing.
• Platform Enhancements: Implement enhancements to the illumin platform in alignment with evolving product roadmaps, user feedback, and performance metrics.
• System Analysis & Optimization: Analyze performance bottlenecks, design scalable solutions, and improve system reliability using in-depth knowledge of digital advertising systems.
• Code Review & Quality Assurance: Participate in peer code reviews and enforce coding standards to ensure platform integrity and maintainability.
• Documentation & Knowledge Sharing: Maintain up-to-date technical documentation, including operational runbooks, incident logs, and support knowledge bases.
• Collaboration with Global Teams: Work closely with geographically distributed engineering and product teams, including collaboration with offshore teams (e.g., Ukraine, India, Pakistan), to ensure consistent service delivery.
• Security & Compliance: Implement and enforce best practices in software security, data privacy, and compliance across the illumin platform.
• Data Management & Modeling: Analyze, design, and optimize proprietary data models in alignment with the illumin platform architecture. Lead advanced database development, including indexing, partitioning, and performance tuning.
• Mentorship & Leadership: Mentor junior engineers and promote a culture of collaboration, continuous learning, and technical excellence.

What You Will Need

• Bachelor's or Master's degree in software engineering, Computer Science, or a related field.
•  Minimum of 5 years of hands-on experience in software production support, preferably in Ad-tech, Martech, or other high-frequency transaction environments.
• Direct experience with programmatic advertising platforms, real-time bidding systems, or omnichannel marketing engines.
• Strong background in data modeling, temporal data processing, and both relational and non-relational databases (e.g., Druide, Mysql, QuestDB, PostgreSQL, Cassandra, MongoDB).
• Experience with real-time high-frequency, low-latency bidding systems.
•  Working knowledge of the DSP/SSP workflows, knowledge of IAB specifications.
• Familiarity with IAB categories, and ad formats (e.g., VAST, VPAID, VMAP for video, Native, DOOH)
• Understanding of trackers and pixels for tracking various metrics and key events.
• Knowledge of bot detection, invalid traffic (IVT) mitigation, and viewability tracking standards (e.g., MOAT, IAS)
• Understanding of cookie syncing techniques between DSPs, SSPs, and DMPs
• Proficiency in diagnostic scripting and automation (e.g., Bash, Python, JavaScript, Java).
•  Experience with production management tools (e.g., ERP, MES).
• Familiarity with networking protocols, distributed systems, and operating systems.
• Excellent documentation and verbal/written communication skills.
• Strong analytical and problem-solving abilities.
•  Proven track record of effective collaboration with product and design teams.
• Experience working in hybrid teams, including offshore collaboration (preferably in Ukraine).
• Fluency in English, Russian, and Ukrainian to support communication across global teams.
• Strong understanding of Agile methodologies, SDLC, and hybrid delivery models.
• In-depth knowledge of the online media ecosystem, including DSPs, pay-per-click advertising, media buying, and key industry trends.
• Proficiency with tools such as Git, Jira, Confluence, Bamboo, and performance monitoring platforms.