Senior Automation Developer for Lead Generation

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About the Project:
I am a solo entrepreneur in the job advertisement space building a fully automated sales system. The system should generate leads, qualify them, and book orders via JASS API - completely hands-off.


Technical Setup:

Core Platform:
N8N (already set up, self-hosted)

Current Status:
Basic N8N instance running, need advanced workflow development


Technical Requirements:

Core Workflow:

Lead Generation:
Automated scraping of HR managers from LinkedIn/StepStone (via Apify)

AI Outreach:
Personalized cold emails using OpenAI API

Response Handling:
AI-powered email classification and lead qualification

Booking Automation:
Order booking via JASS API v3

File Generation:
Dynamic creation of ZIP files with job advertisements


Technical Components:
N8N as central automation platform (existing)

JASS API v3 Integration (complete documentation available)

OpenAI API for AI communication

Apify for web scraping

for email finding

Google Sheets/API as CRM database


Critical Challenges:

Dynamic ZIP Generation:

Creation of valid ZIP files containing:
(responsive HTML template following JASS guidelines)

(metadata in JASS-specific format)

All assets (images, CSS)

Base64 File Upload for JASS API (files up to 40MB)

Complex Error Handling and monitoring in N8N workflows

Price Calculation via /sales_products_packages endpoint


Expected Deliverables:
Complete N8N automation system with advanced workflows

ZIP file generator for JASS job advertisements

Lead management dashboard (Google Sheets/UI)

Comprehensive documentation and knowledge transfer


Required Expertise:
3+ years experience with N8N (advanced workflows, custom nodes)

Strong API integration skills (REST, authentication, file uploads)

Experience with dynamic file generation (HTML/JSON/ZIP)

Understanding of error handling in automation workflows

German language skills preferred (for JASS documentation)


Project Info:
Duration: 6-8 weeks

Weekly hours: 30-40 hours/week


Start date:
Immediate


Budget:
Please provide your proposal (hourly or fixed-price)


Please include in your application:
Your specific experience with N8N and complex API integrations

How you would approach the dynamic ZIP file generation challenge

Your availability and estimated timeline

Examples of similar automation projects you've built

Looking forward to qualified applications


Success Metrics:

  • Automated lead generation: qualified leads/week
  • Response rate: 1525% on personalized outreach
  • Fully automated booking process via JASS API
  • Reduced manual work: 80% time savings on sales tasks

Critical Technical Challenge:
The most complex part is dynamic ZIP file generation for JASS API containing:

  • Valid HTML job ads following strict guidelines
  • Structured metadata with company/location/salary data
  • Base64 encoding for file upload
  • Error handling for API validation responses

Our Work Style:

  • Daily progress updates via Telegram/WhatsApp
  • Weekly video calls for review and planning
  • Agile approach build, test, iterate
  • Full documentation and knowledge transfer
  • Longterm collaboration potential
Contract duration of 1 to 3 months. with 40 hours per week.

Mandatory skills:
n8n, Automation, workflow automation, API Integration, LinkedIn Lead Generation, Web Scraping, Python, JavaScript, REST API, Lead Generation
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