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Jordan LefortJL

Jordan Lefort

Expert Mobile & Web | React Native • Next.js • AWS

€450/day
3 projects
Toulouse, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jordan

Software development engineer, I develop robust, scalable, and reliable mobile and web applications for companies that need high-performance digital solutions.

Mobile Applications (React Native):
– Creation of tailor-made applications.
– Adding features, performance optimization, and bug fixing.
– Version upgrades (0.50 to 0.82).
– iOS & Android deployment (CI/CD).

Web Applications (Next.js):
– Full-stack applications.
– Administration panels and dashboards.
– API integration and development.
– Migration from Page Router to App Router.

Back-end & Infrastructure (AWS):
– Serverless API development (Lambda, API Gateway).
– Implementation of strong authentication (Cognito).
– Database design and optimization (PostgreSQL, DynamoDB).
– Real-time features (WebSockets, GraphQL).
– Third-party API integration.

NodeJS Back-end (NestJS / Next.js):
– Creation of REST or GraphQL APIs.
– Database design and optimization (PostgreSQL, MongoDB).
– Worker (BullMQ).
– Cache (Redis).
– Monolith or microservices as needed.

Meeting deadlines and fast deliveries thanks to rigorous organization and transparent, proactive communication with stakeholders. My delivery objectives are based on writing reliable, documented, maintainable code that meets quality standards.

With a solid proven experience in managing and training technical teams (over 80 developers trained), I am capable of supervising yours or bringing skill development within it.

Having worked on significant projects, my ability to intervene across the entire project lifecycle, as well as my skills, allow me to move from requirements gathering to production deployment.
  • French

    Native or bilingual

Can work on-site
Toulouse (up to 10km)

Experience

  • Lyv
    Senior React Native Developer
    HEALTH AND WELLNESS
    December 2024 - April 2025 (4 months)
    Toulouse, France
    Sector: Health
    Stack: React Native, Figma, Mobile Architecture

    Mission: Complete technical overhaul of a mobile application aimed at helping people with endometriosis.

    Challenges Met:

    Legacy Rescue: Complete rewrite of the existing React Native codebase
    Architecture: Design and implementation of a new scalable architecture
    UX/UI: Pixel-perfect integration of Figma mockups

    Technical Achievements:

    Performance: Complete refactoring → optimized loading times (Lazy Loading)
    Architecture: Modular and maintainable structure (Context, navigation, services)
    Notifications: Push + in-app system
    Deep Linking: Contextual navigation from notifications/external links

    Methodology:

    Planning: Migration roadmap without service interruption
    Collaboration: Close work with the development team
    Quality: Technical documentation

    Business Impact: Stabilized application, transformed user experience, architecture ready for future scaling
    React Native Developer API Expo Typescript
  • Toasty
    Full-Stack Developer
    E-COMMERCE
    September 2023 - July 2024 (10 months)
    Toulouse, France
    Sector: Sustainable E-commerce
    Stack: React Native, Node.js, AWS Amplify

    Mission: Modernization and scaling of a B2C mobile app for an e-commerce startup (sustainable fashion/cosmetics)

    Key Achievements:

    Performance: DB optimization → -40% response time
    Automation: Store deployment pipeline (iOS/Android) → 0 manual intervention
    Technical Migration: V1→V2 interface + Node.js 20 + React Native upgrade
    Integrations: Real-time stock synchronization (Shopify, WooCommerce)
    Technical Debt: AWS refactoring + critical vulnerability fixes

    Business Impact: Stabilized application, 5x faster deployments, improved user experience
    React Native Amazon Web Services AWS SNS AWS Lambda DynamoDB
  • SOLOTECH CANADA
    Solution Architect
    ENTERTAINMENT AND LEISURE
    June 2022 - August 2023 (1 year and 2 months)
    Montréal, Canada
    Sector: Entertainment/Events
    Stack: NestJS, Vue 3, AWS

    Mission: Creation of a customizable streaming platform for corporate events (global leader in audiovisual Canada)
    Key Achievements:

    Architecture: Migration from AWS Amplify → NestJS Microservice + automatic scaling
    Features: Private messaging, real-time chat, multi-client customization, launch of a new service in React
    Migration: Vue.js 2→3 without service interruption
    DevOps: Complete CI/CD pipeline + automated end-to-end tests
    Scalability: Infrastructure supporting 10k+ concurrent users

    Business Impact: Platform used for +50 international events, recurring revenue generated
    Amazon Web Services React.js Vue.js AWS Amplify NestJs

Reviews

5.0

Out of 2 ratings

RomainR

Romain

formation.tech

Reviewed on 11/22/2025

Thank you Jordan for the quality of your intervention for the React / Next.js training at formation.tech!
RenanR

Renan

Toasty

Reviewed on 10/2/2023

Thank you for this mission! Work very well executed. Proactive and resourceful, Jordan delivered all features on time and even ahead of schedule at times, which allowed us to move forward on other unplanned features. A very good experience with AWS services and great autonomy allowed me, as CTO, to save a lot of time. Thank you

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Education

  • Simplon Training
    Toulouse
    2017
    - Node JS - React - Php Laravel - Git

Skill set

Categories