Francesco Mari is a Senior Backend Engineer with 11 years of experience building resilient Ruby/Rails systems and scaling data-driven backends for product impact. Based in Berlin, he has driven backend architecture and performance work across fintech, analytics, e-commerce, and research platforms—most recently at Qonto after roles at Latana, Hive and Dalia Research. He specializes in PostgreSQL, RSpec, Sidekiq, Redis and AWS, and routinely integrates third‑party APIs and ML workflows into production services. Known for pragmatic refactors and automation, he balances deep backend craftsmanship with product-minded decisions and a commitment to ethical, purposeful technology. An early Linux sysadmin and long-time full‑stack practitioner, he often reaches across the stack when complexity demands it.
11 years of coding experience
16 years of employment as a software developer
Diploma superiore, Informatica, Diploma superiore, Informatica at ITIS E.Divini
Contributions:13 PRs, 52 pushes, 4 branches in 4 months
ruby-on-railsrails-appnotesrailsruby
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