Nikki Siapno, founder of the 'Level Up Coding System Design Newsletter', has garnered a substantial audience, with 33K+ subscribers noted on their Substack platform as of November 2025. Siapno, who also holds the role of Engineering Manager at Canva, has been actively sharing insights on system design and engineering leadership.
The newsletter, promoted as a means to simplify 'System Design', offers a free 'System Design Handbook' to new subscribers. Siapno's engagement extends across multiple social platforms, including X (formerly Twitter), Threads, and Facebook, where they share frequent posts focused on practical strategies for engineering and technical design.
Siapno's professional contributions highlight a focus on Domain-Driven Design, CQRS/ES & Event Storming, and Cloud Resource Strategies. This emphasis on specific, actionable methodologies underscores a deliberate approach to sharing technical knowledge.
The founder's reach appears to be amplified by mentions on platforms like Bing, indicating a broad digital footprint. Siapno's stated mission is to assist others in becoming effective engineers and leaders.
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Previously, Siapno's work at Canva has involved advocating for strategic approaches in domain-driven design and cloud resource management. This engagement with the engineering community aims to foster mutual professional growth.
