Alexandre Coulay
IT Project Manager & Fullstack Developer
About me
Fullstack NodeJS Developer & AI Engineer with 8 years of experience in Node.js, React, and TypeScript, I design and deploy high-performance web and mobile applications, from backend architecture to user interfaces.
Key Skills
Backend & Architecture
- Node.js / TypeScript: Advanced mastery with 8 years of experience building RESTful APIs, microservices, and scalable architectures
- Databases: MongoDB, PostgreSQL, Redis - Performance optimization and advanced data modeling
- Security: Implementation of robust practices to protect applications and sensitive data
Frontend
- React / Next.js / React Native: Development of performant and responsive interfaces for web and mobile
- UI/UX Design: Creation of intuitive and aesthetic user experiences
Artificial Intelligence
- LLM & AI Agents: Production integration of GPT-4, Claude, Mistral
- RAG & Vector Databases: LangChain, Weaviate for semantic search and recommendations
- Production AI Projects: Golf AI coach, conversational real estate agent, content detection (97% accuracy)
Notable Projects
- FlyAway: Social network for golfers with 10K+ users, integrated AI coach and semantic search
- Discord Bot Eric: 30K+ users, automation and community management
- Multiple AI agents in production demonstrating ability to design innovative large-scale solutions
DevOps & Quality
- Cloud & CI/CD: Docker, AWS, GCP, OVH - Automated deployments
- Testing & Performance: Unit testing, integration, production monitoring
- Project Management: Agile/Scrum, from technical design to production deployment
Passionate about innovative technologies and AI, I create robust technical solutions that address business challenges while anticipating future developments.
Skills
Functional Skills
Project Management and Collaboration Tools
- API Tools : Postman
- Modeling : UML - Merise
- Design and Workflows : Lucidchart - Draw.io
- Management : Jira - Notion - Trello - Squash - ClickUp
- Communication : Slack - Discord - Teams
- Office Tools : Office 365 Suite - Adobe Creative Cloud - Google Suite
Agile Project Management
- Project Framework & KPI Definition
- User Stories Writing
- Testing / Development Validation
- Communication / Training with Business and Application Teams
- Project Go/Nogo
- Deliverables Reporting and Monitoring
Traditional Project Management
- Meeting Planning / Organization / Facilitation
- Gathering / Analysis / Specification of Functional Requirements
- Specifications & Test Plans Writing
- Business Logic Development
- Project Monitoring and Improvement Meetings
- Deliverables Reporting and Monitoring
- Budget Setup and Monitoring
- Schedule Setup and Monitoring
- Application Architecture Setup and Validation
Compliance and Security
- GDPR
- ToS / ToU
- Data Management
- Legal Compliance
- IT Security
Technical Skills
Applications
- Operating Systems : Linux - Mac - Windows
- Software Architecture : SOLID - Clean Code
- Cloud : AWS - GCP - OVH - Azure - Firebase
- Containerization : Docker
- CI/CD and Versioning : Jenkins - Github Action - Git - Github
- Frontend : HTML - XML - SASS/SCSS - CSS - ReactJS
- Frameworks : Express.js - Nest.js - Next.js - Flutter - React Native
- Runtime : Node.js
- Languages : JavaScript - Python - PHP
- Databases : MongoDB - PostgreSQL - Weaviate - Typesense - MySQL
- Artificial Intelligence : OpenAI GPT - LangChain - Mistral - Whisper - TensorFlow - Claude - DeepSeek
- Monitoring and Process Management : Prometheus - Grafana - Portainer - Traefik - PM2
Networks and Security
- Networks : Cisco (routing, communication)
- Server Management : Windows Server
- Security : Access Management - Firewall - Data Security - Network Security
Side projects
FlyAway - Creation of an AI golf coach
Creation of an AI golf coach to help users improve their game.
- Search for relevant videos in our database using semantic search
- Ability to modify and adjust the program based on discussions with the user
- Chat with the user to help them learn golf
Trender Inc. - Creation of an AI for real estate search
The goal is to create an AI to search for real estate properties based on needs, purchase, rental, specifics, etc...
- Use of Open Source AIs DeepSeek and Whisper
- Implementation of a marketing strategy
- Website creation
Blockchain DApps Founder
The goal is to create a 100% decentralized battle site between users, without backend, only with a website and smart contracts
- Implementation of a business plan
- Implementation of a marketing strategy
- Website creation
- Creation and use of smart contracts
Trender Inc. - Image Search
Side Project creating an image search system using Weaviate. Users upload an image and we return similar images (like Google).
- Creation of an image search system
- Use of Weaviate for semantic image search
- Return of images similar to the one sent by the user
Trender Inc. - Explicit content detection AI
Creation of an AI to detect explicit content in images and videos. Used in FlyAway and formerly Trender to automatically protect users and improve moderation.
- Development of a 97% reliable AI for explicit content detection
- Integration into FlyAway and Trender platforms
- Improved moderation and automatic user protection
Trender Inc. - Creation of FlyAway Golf social network
The goal of the social network is to allow golfers to connect, find partners, share their passions and create events in less than 2 minutes.
- Implementation of a business plan
- Project framework & KPI definition
- Budget implementation and monitoring
- Schedule implementation and monitoring
- SLO / SLI implementation
- Creation and implementation of application and infrastructure architecture
- Creation and implementation of data model
- Creation and implementation of security systems
- UI / UX Creation
- Web and Mobile application development and security
- API development and security
- AI creation for language and explicit content detection
- Preparation for future improvements
- Documentation and legal documents writing (Terms of Use / Terms of Sale / Legal Notice)
- Test implementation
- CI/CD pipeline implementation
- App Store and Play Store publication
- SEO strategy creation
- Digital marketing creation
Trender Inc. - Creation of Trender social network
The goal of the social network is to allow content creators to get known and paid easily without impacting the work of the most influential creators.
- Implementation of a business plan
- Project framework & KPI definition
- Budget implementation and monitoring
- Schedule implementation and monitoring
- SLO / SLI implementation
- Creation and implementation of application and infrastructure architecture
- Creation and implementation of data model
- Creation and implementation of security systems
- UI / UX Creation
- Management of a small team of developers, network administrators and communication manager
- Web and Mobile application development and security
- API development and security
- AI creation for language and explicit content detection
- Preparation for future improvements
- Documentation and legal documents writing (Terms of Use / Terms of Sale / Legal Notice)
- Test implementation
- CI/CD pipeline implementation
- Company creation
- App Store and Play Store publication
- SEO strategy creation
Eric - Founder of certified Discord bot Eric
The goal is to create a 100% free Discord bot by grouping the features of other Discord bots to manage 1 single bot instead of several.
- Discord API usage
- Oauth2 authentication implementation
- Website creation with Dashboard for bot management
- API creation for bot features
- Data security
- Hosting server configuration
- SEO implementation
- KPI implementation
- Budget management
- Development schedule implementation
- User support
- Targeted advertising
Experiences
Solvay - Project Manager
Monitoring user transfer from Solvay to Syensqo, the goal is to verify that each transfer wave goes well and that tasks are completed on time. Connecting teams across the world.
- Documentation setup
- Schedule monitoring
- Meetings and note-taking in English
SNCF Voyageur - IT Project Manager
The mission objective was to manage the migration of obsolete Business applications from client needs to production deployment or end-of-life.
- Test plan implementation and environment validation
- Project management KPIs monitoring and improvement
- Budget implementation and monitoring
- Schedule implementation and monitoring
- User Stories writing
- Documents writing such as BCP and DAL
- Application and infrastructure architecture creation
- Meeting management, preparation and facilitation
- PowerBI creation
- Data migration monitoring and quality control
Freelance - Chatbot Creation & Node.Js Full Stack Developer and Application Architect
Creation of a realistic chatbot system with GPT-4 for dating applications. With an interface for monitoring bots and statistics.
- User Stories writing
- Application, database, server architecture creation
- Schedule implementation
- Proposal creation
- Application and infrastructure architecture implementation
- Data model implementation
- Security systems implementation
- Web and Mobile application development and security
- API development and security
- Regular client follow-up
- Test implementation
- DEV / UAT / Production environments setup
- CI/CD pipeline implementation
- Demonstration
- Production deployment
- Updates
- Maintenance
- Incident management
- Payment system implementation
- GPT-4 implementation for chatbot
Mairie du Péage de Roussillon - IT Apprentice
The mission objective was to monitor and verify the installation and configuration of the fiber network within public buildings.
- Test plan implementation and environment validation
- Budget implementation and monitoring
- Schedule implementation and monitoring
- User Stories writing
- Application and infrastructure architecture creation and implementation
- Meeting management, preparation and facilitation
- Level 1 support
- Switch and Router configuration monitoring and testing
- Web and Mobile application development and security
- API development and security
- On-call management and monitoring application development
- Form creation application development
- Equipment loan management application development
- CI/CD pipeline implementation
- Linux web server and API configuration and security
SNCF Réseau - Digital Apprentice
The mission objective was to monitor the migration of SNCF workstations from Windows 10 to Windows 11 across the entire LGV South East European line.
- Participation in workstation migration monitoring meetings
- LGV SEE SharePoint improvement
- Distribution list users modification
- SharePoint access group creation and modification
- PowerApps improvement
- Internal tool training creation for hundreds of agents
Contact
Want to know more about my skills or discuss your project? Feel free to contact me.