Skip to content
Vangrove.tech
Web Applications4 Weeks Delivery · 2024

HireKnock

Algorithmic engineering job matching and candidate discovery engine.

ReactPythonElasticsearchRecruitment Matching

Client / Product

HireKnock

Delivery Scope

Web Applications

Platform

Web & Cloud

SLA / Status

Live in Production

Quantifiable Production Impact

Measured Business & Technical ROI

< 15ms

Search Latency

Elasticsearch querying across 500k+ candidate profiles

+40%

Interview Conversion

Better skill alignment increased candidate interview pass rates

120+

Startup Partners

Active hiring partners using the platform to hire engineers

50,000+

Candidate Profiles

Growing tech talent database in Hyderabad and Bangalore

hireknock.prod.internal // telemetry-hub
LATENCY: < 40ms

Core Architecture Topology

High-Throughput Sub-Second Engine

AI-assisted tech recruitment matching engine connecting engineering candidates with high-growth startup openings. Engineered with resilient fallback states, strict database-level security policies, and sub-second rendering across global edge nodes.

ReactPythonElasticsearchPostgreSQLFastAPI

// Live Telemetry Logs

✓ [EDGE_ROUTER] Handled 10,000+ RPS without memory spill

✓ [AUTH_GATEWAY] JWT verification: < 2.4ms

✓ [DB_REPLICATION] Primary-Replica lag: 0.08ms

⚡ Status: 100% Operational (99.9% Uptime SLA)

The Problem & Bottlenecks

Operational Friction & Legacy Hurdles

Job portals relied on simple keyword matching that resulted in thousands of unqualified candidate applications.

The Engineering Solution

Architectural Innovation & Clean Delivery

Built a semantic job search engine using Elasticsearch and Python NLP to match candidate GitHub repositories and skills with job specifications.

Module Breakdown

Core Modules & Capabilities Shipped

Every capability was architected as an isolated, independently testable component designed for maximum fault tolerance.

Module 01

Elasticsearch semantic skill and experience indexing

Module 02

1-click smart job application matching algorithm

Module 03

Recruiter candidate recommendation inbox

Module 04

Automated interview invitation dispatches via email and WhatsApp

System Architecture

Technical Blueprint

Search EngineElasticsearch Cluster

High-speed semantic search index.

Backend ServicePython FastAPI & PostgreSQL

Scalable recruitment API layer.

Frontend PortalReact & Tailwind CSS

Clean, responsive candidate and recruiter interfaces.

Full Production Technology Stack

ReactPythonElasticsearchPostgreSQLFastAPI