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Kevin FraissineKF

Kevin Fraissine

Developer - Software Engineer - Ruby on Rails

€529/day
6 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kevin

🤓 Engineer by training, geek, entrepreneur, and FullStack developer (Ruby on Rails / React).
🚀 Developer and Co-Founder of startups in various fields, I am passionate about IT, the web, and new technologies.
⚡️ I have expertise in rapid MVP development (project management, design, front-end, back-end, and deployment).

Frameworks: Rails, React
Languages: Ruby, JavaScript, HTML, CSS
Design: UI, UX, Responsive, Figma
Databases: MySQL, PostgreSQL
OS/Servers: S3, Heroku
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Toulouse (up to 100km)

Experience

  • Freelance
    Software Engineer
    March 2020 - Today (6 years and 3 months)
    Paris, France
    ● Collaborated with non-technical stakeholders to transform a high-level vision into fully realized technical solutions. Took ownership of guiding projects from concept to implementation, ensuring that technical limitations and complexities were clearly communicated, while delivering products that met the businesses objectives.
    Ruby on Rails PostgreSQL React.js
  • Braidio
    Software Engineer
    May 2021 - June 2023 (2 years and 1 month)
    San Francisco, United States
    ● WhatsApp Integration for Restaurants: Developed an application for restaurants and stores outside the US, utilizing WhatsApp for customer orders and delivery arrangements through an AI-powered bot. Built an admin interface for restaurant staff to manage products, inventory, categories, pricing, promotions, and incoming orders.

    ● Knowledge Tap Development: Designed and developed Knowledge Tap, a proprietary tool aimed at automatically creating an internally sourced knowledge base for employees by leveraging social and peer exchanges. Implemented a modern thread-based communication system across various parts of the websites to provide context and facilitate resource-related discussions.

    ● Embeddable Widget: Developed a customizable widget for business websites, enabling the creation and personalization of multi-screen forms that can be easily embedded across different platforms.

    ● Scheduling System: Created a comprehensive scheduling system tailored for small businesses to manage client meetings efficiently.

    ● User Action Tracking: Architected and developed a multi-website user action tracking system using Rails and React, and integrated an admin panel for the sales team to visualize key metrics.
    Ruby on Rails PostgreSQL React.js
  • Roadstr
    Software Engineer
    September 2020 - December 2020 (3 months)
    Paris, France
    ● Payment and Warranty Interface Redesign: Redesigned the company's payment and warranty interface from scratch using Rails, integrated with Stripe and Redis.

    ● Admin Panel Development: Built an admin panel tool to visualize website transactions and empower the sales team to take actions.

    ● Search System Enhancement: Enhanced the search system and took charge of refactoring, upgrading, and managing legacy code, libraries, and gems.

    ● System Migration: Led the migration of the entire system from Ruby 2.3 to Ruby 3.0, and from Rails 4.2.5 to Rails 6, ensuring compatibility and avoiding Cedar-14 End-of-Life issues.
    Ruby on Rails Sidekiq Redis PostgreSQL

Reviews

5.0

Out of 4 ratings

AD

Account deleted

Reviewed on 9/22/2020

The result of the work exceeds our expectations! Really recommend
T

Thibaut

BALL iN

Reviewed on 7/2/2017

Kevin is an excellent full-stack developer, responsive, attentive, and above all ready to solve any problems you may encounter.

Recommendations

FU
FU
Former user and 1 other person have recommended Kevin

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Education

  • Expert in Information Technology (Master's Degree)
    EPITECH
    2015
  • Completion of exchange program, IT specialization, in Seoul
    Chung-Ang University
    2014

Skill set

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