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Optimize images in your web app
40% of a web page's weight comes from images. 4 checkpoints to keep them from being your app's weakest link.
TechWebPerformance
Antoine
de Chassey
👨🏻💻 Engineering Manager at Theodo
Passionate about technology and innovation.
Web Applications
Modern, high-performance (SSR) and scalable (MACH architecture) solutions. Full-stack development with React, Node.js, TypeScript, etc.
Internet of Things
Design and industrialization of LPWAN connected devices, Sigfox evangelist
Technical Leadership
Continuous improvement and team structuring around modern engineering standards (code reviews, CI/CD, clean code, etc.)
Projects
- Pernod Ricard
💰 Marketing Budget App
2025-2026AI-driven modernization of a 315k-line JS legacy codebase (12 subsidiaries, SAP): migration delivered in 6 months instead of 18, through a dev pipeline orchestrating AI agents
React SPAViteTypeScriptNest.jsPrismaBullMQAzure SQLRedisLLMAzureTerraformDockerBiomeClaude Code - Sevetys
🩺 Veterinary Platform
2024All-in-one platform for veterinarians: online appointment scheduling and centralized patient data management
ReactNext.jsTailwind CSSStrapiNest.jsTypeORMPostgreSQLAzureDockerTerraform - Figaro Voyages
✈️ E-commerce Redesigns
2023Migrated and consolidated multi-source data to power two fully redesigned travel booking platforms
Vue.jsNuxt.jsTailwind CSSNode.jsStrapiAkeneoSalesforceMagentoVercelDocker - Ypper Labs
🔐 Guard App
2022Development of a smart home alarm system with real-time sensors and a mobile application (iOS & Android)
React NativeReactNext.jsTailwind CSSRedisPrismaPostgreSQLMQTTTraefikDockerNomadSelf-HostingZigbee ⸱ Bluetooth ⸱ Wi-Fi
Recent Articles
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4 Tools to Preserve Your Code Quality
Code quality never drops suddenly. It erodes little by little, commit after commit, until certain files become no-go zones, synonymous with recurring bugs.
TechWebDX
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Welcome to my site!
A personal site to take the time to document, reflect, experiment and share.
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