Marcellin Nshimiyimana
Frontend Developer Lead at MassMutual
New York, New York, United States
Summary
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Senior🎓
Top SchoolMarcellin Nshimiyimana is a Frontend Developer Lead with 11 years of experience building user-focused web applications and modernizing underwriting experiences at MassMutual. He blends strong front-end skills (HTML5, CSS3, JavaScript, Ember.js, TypeScript) with backend fluency in Node.js and Java and practical database design across MySQL, Oracle, and MongoDB. Known for prioritizing simplicity and reliability, he has architected testing frameworks and API conventions while working closely with exec-level stakeholders at startups and consultancies. His work at Haven Life and Fusemachines demonstrates a consistent customer-centric approach to delivering high-quality, performant interfaces. Passionate about nonprofit impact, he pursues personal research and aspires to found an NGO, bringing product thinking to social good. Based in New York, he pairs technical depth with a track record of translating complex requirements into maintainable, user-friendly systems.
11 years of coding experience
10 years of employment as a software developer
Transcript Math and Physics, Transcript Math and Physics at Byimana School of ScienceBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Columbia UniversityBachelor of Arts - BA Computer Science, Bachelor of Arts - BA Computer Science at The University of the SouthUniversity of Arkansas
French, Kinyarwanda
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (78)
session-management10
command-line-utility10
fetch10
dropdown10
popup10
tooltip10
javascript9
react-component9
flexbox9
tooltips9
authentication9
ember-cli9
ember9
font-size9
data-loading9
Programming languages (3)
Github contributions (5)
sumn2u/strangler-nodejs-example
Aug 2018 - Aug 2018
Strangler pattern example in Nodejs with help of microservices
Contributions:3 commits in 1 day
nginxstranglerexpressdockernodejs
fuse-mars/fuse-mars.github.io
May 2015 - Oct 2016
Contributions:1 PR, 21 pushes, 2 branches in 1 year 5 months
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