Nicolas Le Borgne, Developer in Paris, France
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Nicolas Le Borgne

Verified Expert  in Engineering

Web Development Developer

Paris, France
Toptal Member Since
September 17, 2021

Nicolas is a full-stack developer with three years of experience as a freelancer, building web applications for various clients around the world. His favorite frameworks are React and Vue.js, and he also has experience working with Symfony and back-end technologies such as Node.js and GraphQL.


React, Redux, PostgreSQL, Jest, Cypress, GraphQL, Node.js, Next.js, Databases...
Symfony, Vue, MySQL, SQL, Travis CI, PHP, JavaScript, Databases
Junior ISEP
PHP, Symfony, Vue, JavaScript, MySQL, Databases




Preferred Environment

MacOS, Visual Studio Code (VS Code), Git

The most amazing...

...thing I’ve developed is a platform for investors used by the biggest wealth managing companies in Europe.

Work Experience

Front-end Developer

2021 - PRESENT
  • Contributed to the development of three micro front ends and SaaS platforms used by wealth managers across Europe.
  • Switched from a monolithic architecture to micro front ends.
  • Set up both unit and end-to-end testing libraries on all platforms using Jest and
Technologies: React, Redux, PostgreSQL, Jest, Cypress, GraphQL, Node.js, Next.js, Databases, JavaScript, TypeScript

Full-stack Developer

2020 - 2021
  • Developed an app that monitors candidates for a job offer. The candidate fills a personality test on the platform, and the app analyzes his traits based on his answers.
  • Set up the continuous integration and continuous delivery process using Travis CI.
  • Tracked and fixed bugs using Trello as a reporting tool.
Technologies: Symfony, Vue, MySQL, SQL, Travis CI, PHP, JavaScript, Databases

Agile Web Consultant

2016 - 2020
Junior ISEP
  • Developed an ERP together with my team for an architect's cabinet based in Paris.
  • Performed security and performance audits on clients' websites.
  • Tracked and fixed bugs using Jira as a reporting tool.
Technologies: PHP, Symfony, Vue, JavaScript, MySQL, Databases

Web Developer Intern

2019 - 2019
Percy Miller
  • Coordinated the development of a world-class platform for the provision of data on companies and contacts.
  • Developed different modules to improve the company’s CRM.
  • Cleaned data set and redacted SQL queries for the Sales team.
Technologies: Symfony, PHP, Bootstrap, MySQL, SQL, Amazon Web Services (AWS)

nCov Dashboard
nCov Dashboard is a Vue.js app displaying COVID-19 cases around the world.

Developed the whole project during my free time. My goal was to provide a clear dashboard with metrics like the number of cases, deaths, and recoveries.

I also added some graphs and maps to show a more global overview of the pandemic.

Investor View for KYC34

A React application tailored for investors. I was the front-end developer on this project and worked closely with the back-end developers to integrate the APIs.

KYC34 is a KYC and AML solution designed for the wealth management and asset management industry. Fully compliant with the latest regulations such as AMLD4, GDPR, and MiFID II, our digital and automated artificial intelligence-based platform streamlines the due diligence process from onboarding to transaction monitoring.
2020 - 2020

Research Work in Computer Science

UNSW - Sydney, Australia

2015 - 2020

Master's Degree in Engineering

ISEP - Paris, France


React, Vue, REST APIs, Node.js, jQuery


Git, Adobe Photoshop, Travis CI, GitLab CI/CD, React Apollo


Symfony, Redux, Next.js, Bootstrap 3, Jest, Cypress, Bootstrap


SQL, JavaScript, TypeScript, Python, GraphQL, PHP, R


Visual Studio Code (VS Code), Linux, Windows, MacOS, Amazon Web Services (AWS)


Databases, MySQL, PostgreSQL


Agile Software Development, Unit Testing, E2E Testing


Web Development

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