Remo Jansen
Technical Lead at Marsh McLennan
Dublin, Ireland
Summary
🤩
Rockstar🎓
Top SchoolRemo Jansen is a Technical Lead based in Dublin with over a decade building scalable web and cloud-native applications, currently focused on AI-powered solutions that drive business efficiency. He combines hands-on engineering in Node.js and TypeScript with team leadership across the full application lifecycle—from design and deployment to optimization. Creator of InversifyJS (200M+ npm downloads) and a former Microsoft MVP, he brings deep open-source credibility alongside enterprise experience at Microsoft, Aon and Marsh McLennan. Remo founded a consultancy, has lectured on programming paradigms, and organized Ireland’s first JavaScript conference, showing a strong commitment to developer community and knowledge sharing. He’s actively exploring multi-tenant SaaS, Dapr and sustainable high-performance teams, blending architectural curiosity with practical delivery. An Ironman finisher, he pairs endurance mindset with a track record of shipping robust developer-facing tooling and production systems.
11 years of coding experience
9 years of employment as a software developer
Advanced Certificate In Software Development C Java SQL PLSQL HTML XML CSS UML development methodologies and software life-cycle., Advanced Certificate In Software Development C Java SQL PLSQL HTML XML CSS UML development methodologies and software life-cycle. at Salesians of St. PedroMicrosoft certified professional developer Designing and developing web applications, Microsoft certified professional developer Designing and developing web applications at New HorizonsCertificate in Javascript. Javascript programming Jquery Jquery UI XML DOM XSL Server-side Javascript., Certificate in Javascript. Javascript programming Jquery Jquery UI XML DOM XSL Server-side Javascript. at ETICOM (ICTs Employees Association of Andalusia) Corporate UniversityCertificate in Web devlopment and administratión with Joomla! Joomla! content manager system administration introduction to templates and componets development, Certificate in Web devlopment and administratión with Joomla! Joomla! content manager system administration introduction to templates and componets development at Seville's University's School of Computer Science and Informatics
English, Spanish
Stackoverflow
23,862reputation
2.2mreached
232answers
56questions
dependency-injection
top-5%
typescript
top-1%
solid-principles
top-5%
oop
top-5%
pdf
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inversion-of-control
top-5%
Github Skills (28)
unit-testing10
javascript10
ui-components10
testing10
charts10
typescript10
chartjs10
charting10
component-kit10
recharts10
typescript-types10
typescripts10
dependency-injection10
react10
oop9
Programming languages (16)
Github contributions (5)
inversify/InversifyJS
Apr 2015 - Oct 2018
Powerful and lightweight inversion of control container. Moved to https://github.com/inversify/monorepo
Role in this project:
Back-end Developer
Back-end DeveloperContributions:65 releases, 537 commits, 426 PRs in 3 years 6 months
Contributions summary:Remo focused on the initial development of the InversifyJS library. They were responsible for setting up the core structure of the library, including the `Kernel` and `TypeBinding` classes. The contributions involved defining interfaces, creating classes, and implementing core functionality related to dependency injection and binding types within the JavaScript and TypeScript framework. They also added supporting files for testing and build configuration, further solidifying their role as a foundational back-end developer.
inversion-of-controlmonorepotypescriptiocjavascript
recharts/recharts
Oct 2017 - Nov 2017
Redefined chart library built with React and D3
Role in this project:Front-end Developer
Front-end DeveloperContributions:7 commits, 2 PRs, 7 comments in 1 month
Contributions summary:Remo primarily contributed to the UI and testing aspects of the Recharts library. They implemented features, specifically focusing on the `ReferenceArea` component and its functionalities. Furthermore, the user added and modified unit tests, enhancing the library's reliability, and also supported new `strokeDasharray` in Legend. The user also updated the legend component by adding new icon types and fixing unit tests.
reactcharting-libraryrechartsd3chart
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