j
jsimiyu

John S

@jsimiyu

Senior Backend Engineer

Kenya
English
About me
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. ... Read more

Skills

j
jsimiyu
John S
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build your spring boot vaadin business web application
From$500 / projectMore details
API & Integrations
I will build a scalable backend API for your application
From$250 / projectMore details

Work experience

Senior Backend/Platform Engineer

Invest Africa • Full-time

Aug 2021 - Present • 5 yrs

Investment core, financial engines, lending/payment systems.