Olivier Kaisin
Founder & CTO at Marker.io
Brussels, Brussels-Capital, Belgium
Summary
👤
SeniorOlivier Kaisin is a founder and CTO with 12 years of experience building scalable web and mobile products from Brussels, best known for creating Marker.io, a cross-browser platform that turns in-page screenshots into actionable tickets integrated with tools like JIRA and GitHub. He combines hands-on engineering—Node.js, Redis, MongoDB, AWS—with product-focused design to keep user flows instant and frictionless. Olivier has a strong startup track record, co-founding multiple ventures and leading engineering teams from infrastructure redesigns that supported 25k+ users to complex data pipelines and email orchestration systems. His background spans full-stack development, native mobile work, and cloud architecture, reflecting a comfort across front-end, back-end and operations. Notably, he has repeatedly optimized systems to run efficiently on constrained resources, a perspective that informs Marker.io’s lightweight, browser-native approach. He brings entrepreneurial grit and a pragmatic technical lens to shipping reliable developer tooling.
13 years of coding experience
6 years of employment as a software developer
English, French
Stackoverflow
519reputation
40kreached
21answers
1question
Github Skills (65)
composition10
marker10
bug-reporting10
javascript10
clean-architecture10
inheritance10
android10
mobile10
ios10
react-native10
embedded-javascript10
react10
cross-platform9
html8
sdk8
Programming languages (4)
Github contributions (5)
marker-io/browser-sdk
Jun 2021 - Nov 2022
Marker.io browser SDK
Contributions:1 review, 35 commits, 30 PRs in 1 year 5 months
reactmarkerbrowserbug-reportingjavascript
olivierkaisin/node-express-router
Jan 2014 - Jul 2019
Contributions:69 commits, 12 pushes, 1 tag in 5 years 6 months
javascriptexpressrouting-patternroutingexpress-js
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.