ResumeFlow AI

AI-powered workflow that analyzes job descriptions, scores relevance, tailors resumes with LLMs, generates PDFs, and automates the application pipeline using self-hosted n8n.

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AI Resume Automation Pipeline

A self-hosted AI workflow that automates resume tailoring by analyzing job descriptions, generating ATS-optimized resumes, creating PDFs, and organizing application assets with minimal manual effort.

Overview

Applying to software engineering roles often requires tailoring resumes for every job posting. Manually reading descriptions, identifying required skills, updating resumes, generating PDFs, and tracking applications quickly becomes repetitive and time-consuming.

I built an end-to-end automation pipeline that performs these steps automatically using self-hosted workflow orchestration, AI models, and custom JavaScript logic.

Instead of spending 20–30 minutes customizing every application, the pipeline produces a tailored resume in minutes while keeping the entire process organized.

The Problem

Modern job applications require applicants to:

  • Read lengthy job descriptions
  • Identify required skills
  • Tailor resumes for ATS systems
  • Generate professional PDFs
  • Organize application documents
  • Track every submission

Repeating this process for dozens or hundreds of applications becomes inefficient and error-prone.

Solution

The pipeline automates the complete workflow:

  • Scrape job postings
  • Analyze job requirements
  • Score job relevance
  • Generate ATS-tailored resume content
  • Produce formatted PDF resumes
  • Upload documents to Google Drive
  • Log applications in Google Sheets

The entire workflow runs locally using self-hosted n8n while integrating multiple AI services and custom automation logic.

System Architecture

LinkedIn Job Posting
        │
        ▼
Apify LinkedIn Scraper
        │
        ▼
JavaScript Data Processing
        │
        ▼
AI Job Analysis
        │
        ▼
Resume Generation
        │
        ▼
HTML Template
        │
        ▼
PDF Generation
        │
        ▼
Google Drive
        │
        ▼
Google Sheets Tracking

Tech Stack

Workflow

  • Self-hosted n8n

AI

  • OpenAI API
  • Claude API

Backend

  • Node.js
  • JavaScript

Integrations

  • Apify
  • Google Drive API
  • Google Sheets API

Output

  • HTML
  • PDF Generation

Features

AI Job Analysis

Automatically analyzes job descriptions and extracts the most relevant technical requirements.

Resume Tailoring

Uses LLMs to generate customized resume content aligned with ATS-friendly keywords.

Workflow Automation

Coordinates multiple AI services and external APIs through self-hosted n8n workflows.

PDF Generation

Automatically converts generated resume content into professional PDF documents.

Application Tracking

Stores generated resumes and logs applications automatically using Google Drive and Google Sheets.

My Contributions

I independently designed and implemented the complete automation pipeline including:

  • Workflow orchestration
  • JavaScript automation
  • Prompt engineering
  • AI model integration
  • Resume generation logic
  • PDF generation
  • Google API integrations
  • Error handling
  • Testing and optimization

Technical Challenges

Prompt Consistency

Different job descriptions vary significantly in structure.

Developing prompts that consistently generated high-quality resume content required extensive experimentation and refinement.

Workflow Reliability

External APIs occasionally fail or return inconsistent responses.

The workflow includes validation and recovery steps to improve reliability while minimizing manual intervention.

Resume Quality

The objective was not simply generating text, but producing resumes that remained truthful, ATS-friendly, and professionally formatted.

Lessons Learned

Building this project taught me:

  • Workflow orchestration
  • Prompt engineering
  • AI system integration
  • API reliability
  • Automation design
  • Error handling
  • Building maintainable automation pipelines

Future Improvements

  • Multi-agent workflow orchestration
  • Interview preparation agent
  • Cover letter generation
  • Recruiter email drafting
  • Job recommendation engine
  • Analytics dashboard
  • Multi-model evaluation

Technologies

  • n8n
  • Node.js
  • JavaScript
  • OpenAI API
  • Claude API
  • Apify
  • Google APIs
  • HTML
  • PDF Generation

What This Project Demonstrates

This project demonstrates experience with:

  • AI workflow orchestration
  • LLM integration
  • Prompt engineering
  • Automation pipelines
  • API integration
  • Backend development
  • Production workflow design
  • Developer productivity tooling

Status

Actively used as a personal productivity tool and continuously refined to improve resume quality, automation reliability, and application workflow efficiency.

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