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AI & Machine LearningNLP & Machine LearningGlobal / Cloud SaaS

Detecting fraudulent job postings in real time with NLP Machine Learning

Online recruitment scams trick thousands of job seekers with realistic-looking postings designed to harvest personal data or advance fees. We built Fake Job Identifier—an NLP machine-learning platform and FastAPI microservice that scores job descriptions, salary anomalies and employer metadata in under 400ms with 98.4% precision.

98.4%
Fraud classification precision
< 400ms
Real-time API inference
40+ Signals
Linguistic & metadata features
Fake Job Identifier — NLP Recruitment Fraud Detection AI
98.4% precision NLP classifier that analyzes job listings, company metadata & linguistic cues to flag recruitment scams
Live
Fake Job Identifier · NLP Inference & Fraud Telemetry
Model Precision
98.4%
F1-Score 0.97
Inference Latency
310 ms
FastAPI GPU/CPU
Listings Audited
84,500+
Real-time API
Listing #9482 · 'Remote Data Entry $85/hr No Exp'96.8% Scam
Listing #9483 · Verified Corporate Domain & Role99.1% Legit
Batch Job-Board Moderation Queue (1,200 posts)42 Flagged
Problem → Engineering Execution

How we solved Fake Job Identifier AI's core product & operational challenges

Every architectural decision was tied to a measurable speed, revenue or operational accuracy target.

The Challenge

Scam job listings mimic legitimate corporate descriptions, making simple keyword blocklists ineffective.

What RedixCode Engineered

We trained an ensemble NLP pipeline combining transformer embeddings with structured metadata features (domain age, salary-to-role variance, missing company profile signals).

The Challenge

Users and job-board moderators needed to understand *why* a listing was flagged, not just see a black-box score.

What RedixCode Engineered

We built an Explainable AI (XAI) breakdown that highlights the exact red-flag phrases and missing employer attributes on every scan.

Project Dossier

Fake Job Identifier AI

Client / Sector
HRTech & Recruitment Security Initiative
Target Region
Global / Cloud SaaS
Delivery Timeline
6 Weeks
Domain
AI & Machine Learning
Technology Stack
PythonScikit-Learn / PyTorchNLP TransformersFastAPIReactDocker
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System Architecture & Modules

Inside the Fake Job Identifier AI build

Click each architectural layer to inspect the features, workflows and engineering deliverables we shipped.

Architecture Layer 01 / 03

NLP Text & Linguistic Feature Pipeline

Shipped to Production

Tokenizes and evaluates job title, requirements, benefits and contact instructions against scam patterns.

Engineered Deliverables
Urgency, off-platform messaging and fee-request phrase detection
TF-IDF + fine-tuned transformer semantic classification
Handling of severe class imbalance (SMOTE & focal-loss training)
Continuous model retraining pipeline as new scam templates emerge
Intelligence & Automation Layer

Explainable NLP Classification Engine

Combines natural language processing with structured metadata rules to deliver transparent, human-auditable fraud scores.

98.4% precision / recall balanced on benchmark datasets
Sentence-level red-flag highlighting
REST API webhook for automated job-board moderation
Zero-retention privacy mode for candidate uploads
“RedixCode delivered a production-ready NLP classifier that doesn't just flag suspicious job posts—it explains the exact linguistic and metadata signals behind every alert in under half a second.”
Product Lead
Recruitment Security Platform
FAQ

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Yes. We build custom NLP pipelines for tender RFP analysis, resume screening, support ticket routing, contract auditing and fraud detection.
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