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Case Studies / JG Flex Recruitment

AI-Powered Candidate Matching — Intelligent Recruitment for a Multilingual SaaS Platform

Client
JG Flex Recruitment, Netherlands
Category
AI SaaS Development / Recruitment Technology
Duration
Full end-to-end product build
Status
Delivered
On this page
ContextThe problemApproachArchitectureOutcomeStack

Context

Recruitment is fundamentally a matching problem — the right candidate for the right role — but it's usually solved with manual, keyword-based resume scanning that misses context, nuance, and genuine fit.

The problem

JG Flex needed a platform that could handle multilingual candidate pools and match people to roles with real semantic understanding, while still giving recruiters a transparent, explainable reason to trust each match.

Approach

We designed and built the platform end-to-end — frontend, backend, AI matching layer, and infrastructure — as one system.

  • Next.js 16 frontend, .NET 9 backend, deployed on Azure.
  • Azure OpenAI embeddings combined with Azure AI Search's hybrid vector search represent candidates and job requirements semantically, capturing meaning rather than keywords.
  • A hybrid scoring model combines semantic matching with rule-based criteria, with the weighting between the two dynamically adjusted based on job category.
  • 142 automated tests and a 50+ endpoint Postman collection back the platform, with full Azure infrastructure provisioned through Bicep IaC and GitHub Actions CI/CD.
What makes a strong match for a technical role and what makes one for a customer-facing role aren't the same thing — a single fixed formula would have under-served one or the other.

Architecture

Candidate + job text→Azure OpenAI embeddings→Azure AI Search hybrid vector search
Semantic score→Rule-based criteria→Category-weighted hybrid score+ hard filters →Ranked shortlist

Outcome

~200%
Increase in shortlisting speed
~50%
Reduction in manual screening effort
142
Automated tests across a 50+ endpoint API

Fully deployed end-to-end AI SaaS product — architecture, backend, frontend, AI layer, and infrastructure, delivered as one system.

Stack

Next.js 16.NET 9Azure OpenAI embeddingsAzure AI Search (hybrid vector search)Bicep IaCGitHub Actions CI/CD

Metrics reported by client and Rakri AI engineering logs as of project delivery.

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