Ludovic Lérus

FIlt is a SaaS simplifying the accounting work. What I Did: Built from the ground up a SaaS platform enabling accountants to extract data from accounting books with a no-code interface. Key Contributions: - Fullstack Development: Designed and implemented scalable, secure architecture for the entire solution. - UI Collaboration: Translated Figma mockups into responsive, user-friendly interfaces. - DevOps Management: Deployed and maintained the application on Scaleway using Coolify, ensuring continuous delivery.

Qalestra is a SaaS targeted at compliance and advisory financial services. 👉🏻 https://onebird.co/ 👉🏻 https://qalestra.io/ What I Did: Developed from scratch a SaaS platform designed to provide financial compliance services. Key Contributions: - Designed and implemented the fullstack architecture of the solution, ensuring scalability and data security - Collaborated with designers to transform Figma mockups into responsive UI components, integrated through a custom Design System in Storybook - Developed specific features to enhance user interaction, such as visual data flows with React Flow. - Managed continuous deployment and maintenance of the application on Vercel and Heroku, optimizing performance and service availability

Musair offers a new path to art, an immersive experience based on creative writing, blending narrative and meditation. 👉🏻 https://app.musair.fr What I Did: Developed the frontend and backend from scratch for an initial POC, followed by the development of successive versions for indoor and outdoor museum visits. Key Contributions: - Developed a POC to attract investors and acquire the first clients - Designed and implemented version 1 of the product for indoor museum visits, working closely with a designer through Figma to ensure optimal user experience - Expanded the product with version 2 to include interactive outdoor tours, utilizing Mapbox for interactive mapping - Created robust backend solutions using Node.js and Fastify, and managed their deployment on Heroku - Integrated advanced technologies such as Strapi for content management and Docker for containerization

Linksight is a tool that connects your audience to all your content across your favorite social networks. What I Did: Updated the code and fixed bugs in both the backend (migrating from Express to Fastify and implementing an ORM) and the frontend (migrating from React.js to Next.js). Key Contributions: - Performed backend framework migration from Express to Fastify, enhancing performance and ease of maintenance - Migrated the frontend from React.js to Next.js, optimizing user experience and SEO of the product - Implemented an ORM for more efficient and structured data management with PostgreSQL - Collaborated with designers to integrate new visual and interactive features, using Figma for design - Developed and integrated new features that improved user interaction and engagement on the platform

Allowa is a real estate sales and rental platform. Their mission is to reinvent residential real estate services. What I Did: Worked in a cross-functional team to develop a new version of the platform, initially for internal use and later extended to real estate agencies and other sector players. Key Contributions: - Developed the platform's user interface using Next.js, ensuring a smooth and responsive experience - Implemented efficient API endpoints with SWR for optimal real-time data management - Updated and adapted the existing Storybook to align UI components with the new design - Created reusable components to increase code consistency and maintainability - Designed and implemented complex multi-step forms, enhancing user experience during data entry processes

Founded by a former boxer, BOXYLAB is a sports startup providing connected punching bags to gyms in Paris. What I Did: In partnership with another freelance developer, I developed the web application for BOXYLAB, including both frontend and backend, integrating an interface with connected punching bags. Key Contributions: - Developed the frontend architecture using React, and the backend using Node.js and Fastify, ensuring system responsiveness and reliability - Worked closely with a designer via Zeplin to create an intuitive and visually appealing user interface - Implemented a user account management system allowing for both anonymous and authenticated use - Designed features that let users select boxing exercises and receive post-training performance data. Integrated a Raspberry Pi to manage connections between the connected punching bags and our API via sockets, facilitating real-time data collection - Used Docker for containerization and deployed the application on Heroku to ensure efficient production environment management

Ouizdom is an ambitious startup aiming to launch a new social network. What I Did: Partnered with another freelance developer to build from scratch the backend, frontend, and mobile app for the social network, following design guidelines provided on Zeplin. Key Contributions: - Designed and developed the backend architecture using Node.js and Fastify, integrating Redis for optimized real-time data handling - Developed the frontend using React and Next.js, ensuring a smooth and responsive user experience - Created the mobile application with React Native and Expo, enabling consistent deployment across iOS and Android platforms - Implemented real-time communication features using WebSockets to enhance user interactions. - Worked closely with the CTO on technical decisions, including hosting solutions and deploying Docker for containerization.

Bloom provides customers with high-end bicycles, insurance, a lock, and on-demand repair services. What I Did: Designed and developed the landing page as well as a backend to manage a waitlist and customer orders, collaborating with the team's designer. Key Contributions: - Developed Bloom's landing page using Next.js, working closely with a designer through Figma to ensure smooth visual integration - Implemented a robust backend with Node.js and Fastify for managing users, waitlists, and orders. - Integrated Stripe for payment processing, securing transactions and enhancing the customer purchase experience - Deployed applications on Heroku, ensuring optimal availability and performance - Utilized Docker for containerization, ensuring consistency across development, testing, and production environments.

MTGSport offers an NBA-linked basketball game where players can win real prizes, such as computers, smartphones, books, TVs, and headphones, by playing for free. What I Did: Partnered with another freelance developer, I designed and developed the mobile application (frontend and backend) for MTGSport, incorporating interactive features and real-time data processing. Key Contributions: - Designed and developed the frontend and backend components of the mobile app using React Native, Node.js, and Fastify - Collaborated with a designer via Zeplin to ensure an attractive user interface that adhered to design specifications - Implemented integration with an external API to collect real-time NBA data - Set up daily cron tasks to simulate basketball matches, enhancing user experience - Utilized WebSockets to improve the app's interactivity, allowing users to receive real-time updates - Deployed and maintained the app on Heroku, using Docker for environment management

Codechamp is a French manufacturer of electronic products. What I Did: Digitized the production line management process, previously managed via Excel files, by developing a comprehensive intranet with frontend and backend. Key Contributions: - Designed and implemented the frontend using React, creating an intuitive user interface to replace Excel-based systems - Developed the backend using Node.js and Express, facilitating efficient production data management. Set up a PostgreSQL database to store and manage all information related to products and production stages - Integrated an email notification system to inform employees about significant updates or changes in the production line - Used Docker for application deployment, ensuring consistency and ease of environment management

Plum Énergie is a provider of green electricity tailored for the French market. What I Did: Enhanced Plum Énergie's website by developing new customer acquisition pages and integrating various animations to enrich the user experience. Key Contributions: - Designed and developed innovative web pages to attract and convert visitors into customers, using React - Implemented interactive animations on the site to enhance user engagement and provide a more dynamic and appealing user experience - Worked closely with marketing teams to ensure new features aligned with the company's strategic objectives - Optimized page performance to ensure fast and responsive navigation, thereby improving conversion rates