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You will get a Python backend or API with AI integration ready for production deployment
Rising Talent
Project details
You need a backend that talks to AI APIs, processes data, and serves results. I build production-grade Python backends and APIs.
What I build:
• REST APIs (FastAPI) with AI endpoints
• Async data processing pipelines
• Webhook integrations between your tools + AI
• Batch processors (PDFs, CSVs, large datasets)
• Admin dashboards for AI system monitoring
Real projects shipped:
• Lead enrichment pipeline (API + n8n + Claude → CRM)
• Document processing API (upload → extract → structure → output)
• Multi-source data ingestion with AI classification
Stack: Python, FastAPI, PostgreSQL, Docker, Redis, n8n, Claude API
What I build:
• REST APIs (FastAPI) with AI endpoints
• Async data processing pipelines
• Webhook integrations between your tools + AI
• Batch processors (PDFs, CSVs, large datasets)
• Admin dashboards for AI system monitoring
Real projects shipped:
• Lead enrichment pipeline (API + n8n + Claude → CRM)
• Document processing API (upload → extract → structure → output)
• Multi-source data ingestion with AI classification
Stack: Python, FastAPI, PostgreSQL, Docker, Redis, n8n, Claude API
AI Development Type
Knowledge RepresentationAI Development Language
PythonWhat's included
| Service Tiers |
Starter
$200
|
Standard
$600
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 2 |
AI Model Integration | |||
Detailed Code Comments | |||
Knowledge Graph | - | - | - |
Model Documentation | |||
Ontology | - | - | - |
Source Code | |||
Taxonomy | - | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$50 - $500
Additional Revision
+$25Frequently asked questions
About Leon
I build AI agents that generate results.
Paris, France - 12:53 am local time
I don’t build generic chatbots. I architect high-performance, automated systems that turn raw data into qualified leads, eliminate manual operations, and drive revenue.
If your team is spending hours scraping data, manually scoring leads, or moving info between tools—I automate it.
What I Do Best:
• End-to-End Automation: Python, robust APIs, and custom workflows.
• Advanced Claude API Integration: Daily production-level deployment of Anthropic’s models for complex reasoning, classification, and extraction.
• Intelligent Lead Gen Pipelines: Automated discovery, enrichment, and predictive scoring.
• Rapid Prototyping: Turning a manual business process into a functional AI-driven prototype in 7–14 days.
Recent Production Work:
• Autonomous Lead Generation System: Integrated Firecrawl, Claude API, and Notion to extract, filter, and enrich high-value prospects automatically.
• Multi-Agent Automation Framework: Developed a scalable architecture (OpenClaw) for parallel task execution.
• AI Scoring & Filtering Pipelines: Built semantic filtering systems to eliminate low-quality data before it hits the CRM.
Why Clients Hire Me:
• Business-First Focus: I don't write code for the sake of code. I build to save you hours and generate revenue.
• Claude API Specialization: Deep operational knowledge of prompt caching, system prompts, and context window optimization.
• High Velocity: I ship production-ready solutions in days, not months.
Availability:
Summer 2026 Focus (June–August). I am taking on 1 to 3-month contracts where I can deeply focus on your architecture and deliver immediate velocity.
Let’s transform your manual bottlenecks into automated revenue. Click "Invite to Job" to discuss your workflow.
Steps for completing your project
After purchasing the project, send requirements so Leon can start the project.
Delivery time starts when Leon receives requirements from you.
Leon works on your project following the steps below.
Revisions may occur after the delivery date.
Spec Review
understand API inputs, outputs, and integration points
Build
develop the backend with tests and documentation