Elie Raffier

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

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

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 5 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

Leading the platform overhaul going from vanilla PHP to Laravel using an API-centric approach and adding new services. Technologies : PHP, Laravel, Elasticsearch, Redis, PostgreSQL, React.js, Node.js, Webpack, Sass