François Rossigneux

Fullstack developer on Python / Django / Vue.js stack. Assignments for various clients: • Senior developer on a career guidance platform for high school students. Use of Nuxt / React.js / Typesense (long assignment). • Senior developer on a platform to help people carry out energy renovation work. Python Django Rest API / Vue.js (part-time assignment). • Senior developer on an energy optimisation platform for the building industry, in a start-up that was in the process of going international. Use of Python Django Rest API, and django-guardian. Implementation and refactoring of the platform's permissions management system (long assignment). • Lead dev on a Python Django Rest API / Vue.js stack and microservices architecture, for an industrial asset management application, with the aim of moving the front end to offline mode with RxDB (long assignment). • Project management / senior consultant on an investment fund labelling application. Use of Python Django Rest API (part-time assignment). • Refactoring and development of new business functionalities for a fuel traceability platform. Use of Python Django Rest API (part-time assignment). • Senior developer on an industrial asset management platform. Use of Python Django Rest API. Refactoring and implementation of new business functionalities (short assignment). • Optimisation of a Python FastAPI API for energy audits. Understanding the code made by a former freelancer, and debugging formulas that use weather and building data to calculate an energy performance index (short mission). • Creation of an NFT minting page for a Web3 project, using React / Next / Thirdweb, Stripe (short assignment). • Creation of an international money transfer application for a start-up. Using Python Django Rest API, Vue3, Tailwind CSS, Stripe (short assignment).

Chainote: instant, autonomous production of standardized evidence reports (AFNOR Z67-147), of all types of web content (including interactive sites with video and sound authentication). For lawyers and legal departments. • Architecture design and development of the Pictia and Chainote platforms. • Django Rest API backend. • Nuxt.js frontend (migration from Vue.js) and UI/UX. • Schema definition and optimization of PostgreSQL database. • REST API design, permissions and filters. • Blockchain interfacing for timestamping and NFT minting. • MangoPay payment solution interfacing (migration from Stripe). • PDF generation with Reportlab. • Asynchronous tasks with Celery + RabbitMQ (migration from Huey). • CDN optimization with Cloudflare (Workers + KV storage). • Test pipeline with Pytest for the backend, and Cypress for the frontend. • Gitlab CI/CD. • Docker for certain services. • Authentication (SSO, email, blockchain wallet). • Google App Engine Standard + Cloud functions. • Agile methodology.

Pictia: image bank with certificates of deposit, sales of licenses and NFTs, sales plug-in, internet monitoring, automatic evidences of image use (with Chainote), automated litigation management. For photographers, advertisers, NFT collectors. • Architecture design and development of the Pictia platform. • Django Rest API backend. • Nuxt.js frontend (migration from Vue.js) and UI/UX. • Schema definition and optimization of PostgreSQL database. • REST API design, permissions and filters. • Blockchain interfacing for timestamping and NFT minting. • MangoPay payment solution interfacing (migration from Stripe). • PDF generation with Reportlab. • Asynchronous tasks with Celery + RabbitMQ. • CDN optimization with Cloudflare (Workers + KV storage). • Test pipeline with Pytest for the backend, and Cypress for the frontend. • Gitlab CI/CD. • Docker for certain services. • Authentication (email, blockchain wallet). • Google App Engine Standard + Cloud functions. • Agile methodology. • Training and management of two work-study students.

• Supervision of Python practical work in engineering school (48h/year).

• Development (Python) of open source projects. • R&D on Parsec, a secure, resilient and encrypted cloud storage solution, since certified by ANSSI. • Use of Trio for asynchronous calls.

• Development (Python) of Nuvea, a data center auditing software that collects metrics from hypervisors and power meters, and then provides energy-efficient scheduling of virtual machines. • Project management. • Pre-sales and consulting.

• Development (Java) of ProActive Parallel Suite, a software package for designing and scheduling scheduling of HPC workflows. • Pre-sales and consulting. • Training and webinars.

Team: Avalon (Distributed and High Performance Computing) Lab: LIP (École Normale Supérieure de Lyon) • Development (Python / Flask) of several Xlcloud energy efficiency modules (planning, monitoring...).

• Administration of an extended, distributed VoIP network.

• Monitoring with Zabbix on a server farm.