Senior Full-Stack Developer specializing in intelligent automation and AI agent systems
Location: Portimão, Portugal | Availability: 20-30h/week for strategic projects
5+ years of hands-on experience building production-grade AI/ML solutions and intelligent automation systems. Proven track record of transforming business operations through advanced agent architectures, LLM integrations, and scalable full-stack applications.
Core Expertise:
- AI Agent Development (LangChain, CrewAI, AutoGen)
- RAG Systems & Vector Databases (Pinecone, Weaviate, ChromaDB)
- Full-Stack Development (React, TypeScript, Python, FastAPI)
- Cloud Architecture (AWS, GCP, Supabase, Vercel)
- Performance Marketing & Growth Engineering
Revenue Impact:
- Generated $100K+ monthly recurring revenue through automated workflows
- Scaled affiliate programs to $3M+ across multiple markets
- Built and led 3-person engineering team
- Delivered 10+ production MVPs for SaaS platforms
AI & Machine Learning
LangChain | CrewAI | OpenAI API | Anthropic Claude | Hugging Face
RAG Architectures | Vector Embeddings | Semantic Search
Prompt Engineering | Fine-tuning | Agent Orchestration
Backend Development
Python (FastAPI, Django, Flask) | Node.js | PostgreSQL | Redis
Supabase | Firebase | REST APIs | GraphQL | WebSockets
Frontend Development
React 18 | TypeScript | Next.js | Vite | TailwindCSS
Shadcn/ui | Framer Motion | TanStack Query | Zustand
DevOps & Infrastructure
Docker | Kubernetes | GitHub Actions | Vercel | AWS Lambda
Nginx | Monitoring (Prometheus, Grafana) | CI/CD Pipelines
Automation & Integration
n8n | Zapier | Flowise | Make.com | Custom API Integrations
Webhook Orchestration | Event-Driven Architecture
Detailed project breakdowns with architecture decisions, technical implementations, and business outcomes.
Full-stack community platform with real-time features
- Tech: React, TypeScript, Supabase, TanStack Query
- Architecture: Component-driven development, real-time subscriptions
- Focus: Type safety, performance optimization, scalable design
Production website with automated lead management system
- Tech: React, TypeScript, Supabase, Vercel
- Features: Lead capture, CRM integration, conversion tracking
- Results: Deployed to production with edge functions
High-conversion landing page template for service businesses
- Tech: React, TypeScript, Supabase
- Focus: Mobile-first design, form optimization, backend integration
- Deliverable: Reusable template for rapid deployment
Communication Style:
Prefer structured workflows through project management systems (Jira, Linear, ClickUp, Notion, HubSpot) for clear documentation and async collaboration.
Development Philosophy:
- Code quality over quick hacks
- Type safety and testing for production systems
- Performance optimization from day one
- Clean architecture and maintainability
- Documentation-first for knowledge transfer
Team Collaboration:
- Experience training junior/mid-level developers
- Built content factory for AI education
- Managed cross-functional teams (design, backend, marketing)
Own dedicated workspace in Portimão, Portugal with capacity to host 2-5 person team:
- High-speed fiber internet (1Gbps)
- Professional meeting setup
- Whiteboarding and collaboration space
- Time zone: WET/WEST (UTC+0/+1) - optimal for US East Coast & EU clients
Revenue Target: $200K through diversified revenue streams
Strategic Focus:
- AI Agent Consulting - Enterprise automation solutions ($80K target)
- SaaS Products - Recurring revenue from proprietary tools ($70K target)
- R&D Partnerships - Innovation projects with tech companies ($50K target)
Current Priorities:
- Exploring investment opportunities for MVP scaling
- Open to fractional CTO / technical advisor roles
- Building in public - documenting AI agent architectures
2020 - Present: AI/ML Engineer & Automation Architect
Building intelligent automation systems, AI agents, and full-stack applications for clients across fintech, e-commerce, and SaaS verticals.
2015 - 2020: Digital Business Director (CBDO)
Led growth initiatives in affiliate marketing, performance marketing, and product development. Scaled programs to multi-million dollar revenue.
Key Achievements:
- Designed and deployed 15+ AI-powered automation workflows
- Built RAG systems processing 1M+ documents
- Created training curriculum for AI/ML team onboarding
- Contributed to open-source AI tooling (LangChain ecosystem)
Worked with distributed teams across 20+ countries, bringing diverse market perspectives:
- North America (US, Canada)
- Europe (UK, Germany, Portugal, Spain)
- Asia-Pacific (Singapore, Australia)
- Latin America (Brazil, Mexico)
Why Portugal?
Optimal balance of lifestyle, tax efficiency, and time zone positioning for global client work. Established residency in 2023.
Contract Structure:
Service Agreement (Base + 35% tax) | Immediate availability: 20-30h/week
Ideal Projects:
- AI agent development and orchestration
- RAG system architecture and implementation
- Full-stack MVP development (0 → 1)
- Technical due diligence for investors
- R&D for innovative AI applications
Not a Fit:
- Pure frontend or pure backend roles (prefer full ownership)
- Long-term full-time employment (prefer project-based)
- Non-technical management positions
Email: am6223355@gmail.com
LinkedIn: linkedin.com/in/alexandre-crowhub
Location: Portimão, Portugal
Open to discussing:
- Consulting engagements (AI/ML, automation, full-stack)
- Investment opportunities for SaaS MVPs
- Technical partnerships for R&D projects
- Fractional CTO/advisor roles for early-stage startups
Repository Updated: January 2026 Status: Actively seeking strategic partnerships and interesting technical challengesges