AI-Powered Candidate Matching

Objective

A leading talent acquisition technology provider in the human resources and recruiting industry partnered with NLP Logix to modernize and scale its AI-driven recruitment platform. The goal was to accelerate candidate matching, improve fairness, and deliver high-performance search capabilities while handling large volumes of candidate data efficiently.

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Challenge

Recruiters and talent acquisition teams face persistent challenges such as:

  • Time-consuming candidate searches using traditional methods
  • Ineffective boolean queries that fail to identify the best matches
  • Difficulty scaling search and matching across millions of profiles
  • Risk of bias in candidate recommendations

Solution

NLP Logix helped deploy and optimize the customer’s AI-driven talent acquisition platform on AWS to deliver scalable, unbiased, and rapid candidate search capabilities. The solution included:

  • AWS Elastic Compute Cloud (EC2) for scalable compute resources
  • AWS Elastic Container Registry (ECR) and Elastic Container Service (ECS) to deploy and manage microservices
  • A MySQL database on AWS storing over 10 million candidate profiles, enabling robust training and search capacity
  • AWS Amplify, Cognito, and IAM for secure, responsive user interfaces and permission control
  • AWS SNS and SQS for efficient request queueing and API handling
  • AWS CloudTrail and CloudWatch for monitoring, logging, and system health insights

Scheduled model health evaluations to ensure long-term performance and reliability

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Results

  • Returned up to 2,000 high-relevance candidates in under one minute, ordered by semantic similarity for specific jobs and locations
  • Dramatically sped up the recruiting process, enabling faster submissions and improving placement likelihood
  • Outperformed leading models such as OpenAI and BERT on search relevance
  • Earned certification as non-biased, helping ensure fairness and equity in candidate matching

Tech Stack

  • AWS Elastic Compute Cloud (EC2)
  • AWS Elastic Container Registry (ECR)
  • AWS Elastic Container Service (ECS)
  • AWS Amplify (UI hosting)
  • AWS Cognito & IAM (identity and access management)
  • AWS Simple Queue Service (SQS) & Simple Notification Service (SNS)
  • AWS CloudWatch & CloudTrail (monitoring and logging)
  • MySQL on AWS for candidate data storage
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