Pasi Tuominen is a Principal Software Engineer based in Helsinki with 11+ years building full-stack web applications and leading teams from 3 to 12 engineers. He specializes in complex React/Redux frontends—ranging from image and video editors to chat and bibliographic editors—and has architected a large-scale image rendering platform that has produced up to 41,000 images per second across hundreds of servers and multiple Kubernetes clusters. Equally at home in backend engineering, he led the design of a distributed rendering system using Go, Node.js, Postgres, Redis and observability tools like Prometheus and Grafana. Pasi blends hands-on coding with technical leadership and mentoring, scaling both systems and teams while maintaining a developer-first approach. He also runs freelance projects through his company, having built infrastructure and ML-based classifiers for bibliographic data and operated his own bare-metal Kubernetes clusters.
11 years of coding experience
13 years of employment as a software developer
Master’s Degree Computer science, Master’s Degree Computer science at University of Helsinki
Contributions:22 commits, 9 PRs, 27 pushes in 2 years
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Pasi Tuominen - Principal Software Engineer at Smartly.io