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Kilyan F.KF

Kilyan F.

Full-stack web & mobile developer

€475/day
Rennes, FR
8-15 years
Node.js
React.js
React Native
Stripe
GraphQL

Average response time: 1 hour

Freelancer profile translated to English.
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About Kilyan

🚀 Tailor-made tech solutions, from code to impact


Digital product architect, I master the art of designing, optimizing, and deploying web and mobile applications, whatever the challenge.
  • Technical strategist: Migration to modern stacks, architecture and maintainability, to strive for optimization without losing productivity.
  • Versatile freelancer: From giant screens for Nike to mobile apps for startups, including connected solutions.
  • Proactive creator: Libraries and open-source contributions, high-performance plugins, and constant technological monitoring.
Need a full-stack developer who thinks solutions as much as code? Let's talk! 💡
Digital and IT Services
Telecommunications
Culture
E-commerce
Software Publishing

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • SPORTALL
    Full-stack web & mobile developer
    TELECOMMUNICATIONS
    April 2022 - April 2026 (4 years)
    Bruz, France
    SPORTALL is a French platform for 100% sports video streaming (live/replay, exclusive content), available on web and TV. Innovative multitenant platform for clubs and athletes, with multisport.

    Development of a sports streaming platform (web & mobile) with a customizable backoffice, allowing clients to manage their platform from generic source code.

    Challenges: Scalability (transition from 200 to 6,000 simultaneous users) through a cache redesign, migration to Fastify and GraphQL Yoga, and optimization for major events like the 24 Hours of Le Mans.

    Achievements: Redesign of the multi-layered cache system (CDN, Redis, GQL Yoga Resp. Cache, DataSources), notably by intervening on 2 open-source repos for the Response Cache plugin (The Guild).

    Payments: Took over, improved, and extended the Stripe implementation.

    Full-stack: Involved in the web and mobile fronts as well as the back-end, for which I was the point of contact.

    Agile team collaboration: daily meetings, weeklys, retrospectives.
    Tech stack: React, React Native, MobX, Tailwind, Figma, Node.js, GraphQL, Redis, Stripe, MongoDB, Kubernetes, GitHub Actions, ArgoCD.
    Used Notion, GitHub.
    React.js React Native GraphQL MongoDB Redis
  • 61 FPS
    Front-end web developer
    FILM AND AV
    June 2024 - August 2024 (2 months)
    Bruz, France
    61 FPS is a Nantes-based company specializing in the design of innovative technical solutions for extraordinary creative projects, in France and internationally. A team of experts in interactive design.

    Major client: Large-scale project for Nike for the Paris 2024 Olympic Games: development of extensions for videos and on a giant 5,400 m² screen at the Pompidou Center.

    Achievements: Extension for HLS video playback and configuration of processing chains with transitions.

    Tech stack: Vue.js, Directus, TypeScript.
    Used Figma, Trello.
    Directus Vue.js Typescript Figma Trello
  • KometStory
    Full-stack mobile developer
    FASHION AND COSMETICS
    February 2022 - May 2022 (3 months)
    Bruz, France
    Innovative: Development of a Flutter mobile application with an API server, integrating an automatic cart system via WebSocket using RFID (hardware managed by a third party), and secure Stripe payments.

    End-to-end: Quotes, estimates, and specifications, software and database architecture, mockups, implementation, publication, and then training of an apprentice.

    Tech stack: Flutter, Node.js, Express.js, MariaDB, Stripe.
    Used Figma, Trello, VPS.
    Flutter Node.js MariaDB Stripe Websocket
Check out Kilyan's experience

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Education

  • Software Developer Designer Training
    IMIE
    2019
    Formation de Concepteur Développeur Logiciel
  • DUT in Computer Science
    IUT Ifs
    2015
    DUT Informatique

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