Jérémy Maignan is a backend engineer with 11 years of experience building high-traffic, cost-efficient systems across startups and scale-ups, now based in Montreal. He has led migrations (Postgres to DynamoDB/Redis), designed message-based architectures with Kafka/SQS/Lambda, and cut infrastructure costs substantially while operating services at ~2k RPS. As CTO and hands-on engineer he built and shipped dozens of microservices, ETLs, and integrations (Stripe, Zoom, Salesforce, Zapier) and instituted CI/CD, observability, and security practices. He pairs strong backend skills in Ruby, Go, Python and IaC (Terraform) with product-minded collaboration across data science, frontend, and design teams. Comfortable on-call and driving projects from spec to production, he also has a history of improving ad targeting and live-tracking UX in consumer apps. Outside core engineering, he’s published technical notes and maintains a public GitHub, reflecting a continuous learning and builder mindset.
11 years of coding experience
9 years of employment as a software developer
Epitech
Computer Sciences, Computer Sciences at California State University San Marcos
Baccalauréat Economique et Social spécialité Mathématiques, Baccalauréat Economique et Social spécialité Mathématiques at Lycée Assomption Rennes
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