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John S
@jsimiyu
Senior Backend Engineer
Kenya
Anglais
À propos de moi
Senior Backend Engineer specialising in production backend systems, APIs, fintech infrastructure, identity, and enterprise integrations. I work mainly with Java and Spring Boot, with experience in Python, Go, and Node.js/Express. I’ve built financial transaction systems, investment platforms, enterprise SSO, legacy integrations, large-file infrastructure, and API/data platforms using PostgreSQL, Kafka, Keycloak/OIDC, and Docker.
Compétences
John S
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Applications Web Full stack
I will build your spring boot vaadin business web application
API & Intégrations
I will build a scalable backend API for your application
Expérience professionnelle
Senior Backend/Platform Engineer
Invest Africa • Temps plein
Aug 2021 - Present • 5 yrs
Investment core, financial engines, lending/payment systems.
