Senior Software Engineer at On | Full-Stack & Backend Systems Architecture
No middleman platform markups. Direct contact.
Not sure they're the right fit? Run the matcher insteadSenior Full-Stack engineer and consultant with 8+ years of commercial experience designing and scaling high-load digital platforms. Lead engineer at Swiss-British sports brand On, responsible for designing and scaling the customer profile platform. Deep expertise in TypeScript, React, and Node.js microservice architecture, technical interviewing, and adopting AI tooling in development.
Architecture, development, and scaling of Customer Profile platform backend services.
Full-stack development of company products.
Leading core platform development for large enterprise clients, mentoring teams, and building internal AI tools.
Microservice profile platform serves 2M customers; migration to sharded Node.js services cut profile latency from 420 to 110 ms.
Next.js and GraphQL marketplace core processes 90K orders per month; server components cut JavaScript bundle size 55%.
Internal AI toolset for 12 teams sped up code review 35%; fine-tuned model answers 70% of policy questions without expert help.
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