Case study
Hiring Hash: Skill Assessment SaaS Case Study
A SaaS platform for role-specific skill tests, one-click candidate screening and interview tracking.

Hiring Hash at a glance
Hiring Hash is a SaaS platform for technical hiring. Recruiters build skill assessments around each role, screen candidates in one click and follow interviews, shortlists and vacancies from one dashboard. We designed and built it on the MERN stack.
- Industry
- SaaS (HR tech)
- Platform
- Web app (SaaS)
- Tech stack
- MongoDB, Express.js, React, Node.js
- Live product
- hiringhash.com
Hiring built on real skills
Recruiters decide which skills a role needs and test exactly those, so every candidate gets a fair chance to show what they can do.

Role-specific tests, a clear interface and one-click screening help recruiters hire fairly and with confidence.
Tests that fit the role
Each assessment follows the job's requirements, so people are judged on what the work needs instead of a generic quiz.

Problem
Why standard hiring tests fall short
Most technical hiring platforms rely on fixed, standardized tests. Recruiters can't adapt them to the role, and one test can't stretch candidates at every skill level, so strong people get missed.

Solution
How we built Hiring Hash
We started from one idea, “everyone deserves a fair chance”, and built a SaaS platform where recruiters write their own assessments and screen candidates in one click. The dashboard shows today's interviews by round, shortlisted candidates and new vacancies, with bulk actions to archive or reject.

Technology stack
MongoDB
Express.js
React
Node.js
What does Hiring Hash do?
It puts testing, screening, interviews and hiring in one web app, with separate views for HR managers and recruiters.
Custom skill assessments
One-click screening
Interview rounds
Vacancy management

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Questions about this project
Quick answers about Hiring Hash.
What is Hiring Hash?
A SaaS platform for technical hiring. Recruiters create assessments for each role, screen candidates in one click and manage interviews, shortlists and vacancies from one dashboard. It's live at hiringhash.com.
What tech stack does Hiring Hash use?
The MERN stack: MongoDB for data, Express.js and Node.js on the server, and React for the recruiter dashboard. One language across every layer keeps the codebase easy to maintain and extend.
How do customizable skill assessments work?
Recruiters pick the skills a role needs and build the test around them, instead of sending every applicant the same generic quiz. Candidates are then scored on what the job actually requires.
Tell us what you're building.