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Jeremy SimeonJS

Jeremy Simeon

Full-Stack Web Developer

€600/day
Tours, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jeremy

Developerandexperienced lead, I help companies in the design and development of complex digital products, combining technical expertise and product vision. With experience in SaaS, industrial, and innovative environments, I manage front and back projects, lead teams, and implement scalable and maintainable architectures.
  • French

    Native or bilingual

Can work on-site
Tours (up to 50km), Paris (up to 10km), Rouen (up to 50km)

Experience

  • ENGIE
    Lead Vue.js Developer
    ENERGY AND UTILITIES
    August 2023 - Today (2 years and 10 months)
    Paris, France
    Currently front-end lead developer at ENGIE, I lead the development of new features for a mapping tool for sales representatives to identify and prospect new potential areas for plant installation.

    Main missions
    • Design and development of Vue.js and TypeScript features
    • Creation and optimization of mapping components on Mapbox
    • Implementation of development best practices and front-end testing (E2E with Playwright)
    • Coaching and skill development for developers
    • Collaboration with business teams to gather needs and prioritize features

    Technical environment
    Vue.js 3.x • TypeScript • Mapbox • Highcharts • Docker • Playwright • GitHub • Jira • Scrum
    Vue.js HTML/CSS Highcharts Mapbox TypeScript
  • HeyTeam
    Lead PHP Laravel / Vue.js Developer
    HUMAN RESOURCES
    October 2019 - July 2023 (3 years and 9 months)
    Paris, France
    I led the architecture and evolution of an HR platform used by thousands of employees for onboarding/offboarding. I supervised technical teams, ensured product scalability, and accelerated delivery speed while significantly improving code quality.

    Main missions
    • Design and development of major features
    • Reduction of technical debt and structural refactoring
    • Implementation of a testing strategy (unit, functional, E2E)
    • Definition and dissemination of development best practices
    • Management of version upgrades and continuous technical watch
    • Onboarding and skill development for new developers
    • Management of a squad of 5 developers
    • Development of client integrations and connectors

    Technical environment
    Docker 23.x • Bootstrap 5.x • Storybook 6.x • Cypress 12.x
    AWS (S3, EC2) • VS Code • GitLab • Jira • SCRUM
    Vue.js Laravel MySQL Docker Cypress
  • SNCF Réseau
    Node.js / Vue.js Developer
    TRANSPORTATION
    June 2018 - September 2019 (1 year and 3 months)
    Paris, France
    Within SNCF's Innovation & Research department, I designed a monitoring tool for the GSM-R network, in collaboration with telecommunications engineers and data scientists. I developed the API, the GIS, and the visualization interface, allowing real-time exploitation of network anomalies and facilitating performance analysis.

    Main missions
    • Creation of a REST API
    • Development of a GIS
    • Implementation of a mapping server
    • Implementation of indicators and graphs
    • Requirements gathering and project management with business teams

    Technical environment
    Node.js • Vue.js 2.x • MongoDB 4.4 • Docker 17.x • Leaflet 1.x • Highcharts 7.x • Bootstrap 3.x • PhpStorm • GitLab • Ubuntu
    Node.js Vue.js Highcharts SQL/NoSQL Leaflet

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Education

  • General Engineer's Degree, Computer Science
    ESIGELEC: GENERAL ENGINEERS SCHOOL
    2016
    Diplôme d'ingénieur généraliste, Informatique

Skill set

Categories