Nicolas Sailly - Senior Software Engineer at Klark

Nicolas Sailly

Senior Software Engineer at Klark

Paris, Ile-de-France

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Summary

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Rockstar

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Top School

Nicolas Sailly is a Senior Fullstack Engineer based in Paris with 9 years of experience building scalable web platforms and developer tools for startups. Currently at Klark and previously leading backend and frontend work at Forest Admin, he has deep expertise in Node.js, Ember/React, TypeScript and open standards like OIDC and SAML. He combines product-minded engineering—writing specs, estimations and shipping features—with hands-on improvements to security, CI/CD and platform performance. An active open-source contributor, he improved backend security and database models in the popular ForestAdmin/lumber repo, showing attention to both code quality and real-world operational concerns. Comfortable in remote, distributed teams, he brings startup agility and a practical focus on maintainability and testing.

9 years of coding experience

5 years of employment as a software developer

Crédits ECTS, Informatique, Validation de crédits ECTS, Crédits ECTS, Informatique, Validation de crédits ECTS at Concordia University

Full Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at freeCodeCamp

Baccalauréat S, Sciences de l'ingénieur, Mention européenne, Baccalauréat S, Sciences de l'ingénieur, Mention européenne at Lycée Galilée

Computer Software Engineering, Computer Software Engineering at EFREI - Ecole Française d'Electronique et d'Informatique

French, English, Japanese, Spanish

Github Skills (9)

nodejs10

javascript10

backend10

sql9

databases8

web-framework8

app-framework8

application-framework8

database8

Programming languages (5)

TypeScriptJavaScriptVueRubyPython

Github contributions (5)

ForestAdmin/lumber

Nov 2019 - Feb 2021

Install Forest Admin in minutes.

Role in this project:

Back-end Developer

Contributions:22 reviews, 17 commits, 44 PRs in 1 year 3 months

Contributions summary:Nicolas focused on enhancing the security and functionality of the backend application. Key contributions include preventing remote environment creation using HTTP protocol by updating hostname validation, and upgrading ESLint rules to improve code quality. Furthermore, the user refactored database-related code by removing SQLite code and updated the project's models with new SQL relationships like hasMany, hasOne, and BelongsToMany relationships.

lumberadminframeworkbackendnodejs

DrRaider/Twumps-Backend

Oct 2018 - Nov 2018

Platform to present dynamic data using D3 charts. We aim to find interesting statistics through Donald Trump twitter account.

Contributions:35 commits, 2 PRs, 33 pushes in 1 month

d3jschartsreactdynamic-datastatistics

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