Freelancer profile translated to English.
Back to original languageAbout Samuel
◉ Some information about me ⤵︎
👨💻 I am an expert inTypeScript**, **Node.js**, and **React.js
🎓 CertifiedFull-Stack**JS** &PHPdevelopment
⚙️ +95% test coverage on my deployed production projects
🧑💼+5 years of experiencein web and startup product development
🍺 I designed a digital orderingMVPtested in a dozen bars and restaurants in real conditions
💸 A Stripe automation I developed helped detect claims up to €5,000
🚀 I transformed an internal tool into a multi-client SaaS for Ouest-France
◉ My references ⤵︎
CaptainVet, Groupe Ouest-France, Image-Charts, Twenty Pay, Binch, MSB For You, Acacia Dynamic
◉ Here are the missions I regularly undertake ⤵︎
TypeScript | Node.js | React.js
- Taking charge of projects from A to Z: technical scoping, back-end & front-end development, production deployment
- Taking over and stabilizing legacy code to make it scalable and maintainable again
- Designing and developing full-stack MVPs ready for real-world testing
- Automating manual processes (Stripe, invoicing, CRM) to save hours each week
- Implementing robust Node.js / Express architectures with PostgreSQL or MySQL
- Developing high-performance React.js or Vue.js interfaces, integrated from Figma
PHP | Vue.js | Unit testing
- Defining the testing strategy and implementing reliable unit and functional coverage
- Taking over existing projects: audit, refactoring, and technical upgrade
- Developing Vue.js applications connected to PHP or Node.js back-end APIs
- Transforming internal tools into scalable multi-client SaaS products
- Direct interface with founders and business teams to turn business pain points into concrete deliverables
Available 7 days a week via Malt messaging.
Response within an hour.
French
Native or bilingual
English
Fluent
Can work on-site
Nantes (up to 50km), Rennes (up to 50km), Paris (up to 50km), Angers (up to 50km), La Roche-sur-Yon (up to 50km)
Experience
- TrovesTechnical Consultant - Audit & QACONSULTING AND AUDITSJune 2026 - Today (2 months)Troves requested an independent technical audit, code review, and QA to secure the launch of their mobile platform for acquiring graded digital collectible card packs.The challenge was to provide an independent external perspective, alongside the main developer, to challenge structural decisions without replacing them.Actions taken:- MACRO code review on structural decisions and infrastructure- Manual QA and load testing on critical product flows- Submission of factual end-of-milestone reports, with qualified direct flagging of blocking points- Verification of deliverable compliance with the validation criteria for each milestone👉 Results obtained:- 5 milestones validated with factual compliance tracking at each stage- Secure launch, with no unresolved blocking non-conformities by the end of the mission
- Assistant personnel WhatsAppN8N OrchestratorSOFTWARE PUBLISHINGApril 2026 - April 2026Paris, FranceDevelopment of a private WhatsApp conversational assistantdesigned to centralize freelance daily management andautomate interactions between my productivity anddevelopment tools.The objective was to create a "central brain" capable of acting autonomously across my entire software stack.Actions taken:- Configuration and approval of the Meta WhatsApp Cloud ApplicationAPI for a secure mobile ordering interface- Architecture of a multi-agent system under n8n: a supervisoragent analyzes user intent and delegates execution tospecialized sub-agents per tool- Integration and orchestration of a complete API ecosystem: Gmail,Calendar, Notion, GitLab, LinkedIn, and Slack- Development of complex workflows: analysis of Slack threadsto generate priority tasks on Notion, GitLab Merge Request summarization, and intelligent calendar management- Implementation of a history management system to maintain conversation context during work sessions👉 Results obtained:- Centralized activity management within a single interface,eliminating friction between different tools- Automation of low-value-added tasks (data entry, reminders, notification summaries)- Increased responsiveness in technical monitoring (GitLab) and client relationship management (LinkedIn/Email)
- AgoriadeAI Training InstructorEDUCATION AND E-LEARNINGMarch 2026 - April 2026 (1 month)Nantes, FranceMission to design and deliver a course module for an AI Bootcamp.The objective was to transform diverse profiles into "Product Builders" capable of architecting scalable AI solutions, beyond the mere use of No-code tools.Actions taken:- Scoping "Product Builder" missions and designing agentic architectures.- Teaching BPMN 2.0, sequence diagrams, and Mermaid (DaC).- Orchestrating complex workflows via n8n connecting Frontend, LLM, and databases.- Securing critical data flows and optimizing processing times.👉 Results obtained:- Rigorous documentation methodology adopted to align Business and Technical aspects.- Delivery of functional MVPs based on the automation of real business cases (OCR, bookings).- Successful transition of learners from a "feature" logic to a "product architecture" vision.
Reviews
Recommendations
BG
FU
+4
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Education
- Expert en Informatique et en Système d'information, InformatiqueEPSI2023BAC+5 Expert en Informatique et en Système d'information, Informatique
- DUT, InformatiqueLa Rochelle Université2020BA+2 DUT, Informatique