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Elie R.ER

Elie R.

Tech Lead

€850/day
Paris, FR
8-15 years

Average response time: 1 hour

About Elie

Passionate about JS/TS with Node and React, I'm always discovering and tinkering with new technologies, looking for patterns and features to integrate in my work.
Aware of the importance of a tight collaboration between product and engineering, I like to be involved and active in the preproduction phase.
  • English

    Native or bilingual

  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • TheFork
    Lead Software Engineer
    September 2022 - January 2025 (2 years and 4 months)
    Paris, France
    Working on the B2B side, I came to help define strategies and guidelines to improve performance on the whole stack.
    • Redesigned the GraphQL Schema (dependent on a large amount of microservices), added field resolvers, dataloaders and caching.
    • Leveraged Apollo cache on frontend to alleviate the effect of data being fetched and refetched too often.
    • Defined guidelines on code structure to make codebase maintable (smaller units of logic, sharing patterns, ...).
    • Created refactoring plans and applied them trough iterations with different teams. Mentored teams to educate on conventions and maintability topics.
    • Technologies : Node.js, React.js, Typescript, GraphQL, Next.js, Nest.js, Jest, Cypress, Kibana
  • Kyutai
    Lead Software Engineer
    May 2024 - July 2024 (3 months)
    Paris, France
    Helping Kyutai unveil its first fully audio conversational model Moshi.

    • Created the frontend from scratch using Next.js. Implemented an audio streaming protocol from scratch with delay correction using WebAudio API and Websockets.
    • Created two different audio vizualiser for client and server audio.
    • Implemented video and audio files export of conversation using MediaStream APIs.
    • Technologies : React.js, Typescript, Next.js, Websockets, WebAudio API, Vite
  • elba
    Lead Software Engineer
    January 2021 - January 2022 (1 year)
    Paris, France
    As the first developer of this cybersecurity startup, I started from scratch both the backend and frontend of the application creating API routes using lambdas and setting up SSRs for all application pages.
    • I was responsible for the whole architecture and wrote guidelines, guides, best practices and tickets.
    • I've set up a CI/CD pipeline responsible for testing, building and deploying the application. I also created a preview pipeline to deploy all PRs in a dedicated environment with a dynamic seeding system allowing fast and reliable QA.
    • I helped scale up the team, onboarding 7 developers now all proficient and very competent on this project.
    • Create functional and technical application documents
    • Technologies : Node.js, React.js, Typescript, GraphQL, Next.js, Hasura, Jest, Playwright, Github Actions, Vercel

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Education

  • Bachelor of Architecture
    ESGI Paris
    2015
    Software Architecture Bachelor

Skill set

Categories