Hello, I'm

Kaushik Paul

SDE 2 | Backend & AI Engineer

I build scalable backend systems and AI-powered hiring products that improve recruiter workflows, job intelligence, and candidate matching.

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30+ Projects View All

About Me

My Introduction

Software Development Engineer II at Instahyre with 4+ years of engineering experience across backend systems, AI-powered hiring workflows, and high-impact product delivery. I currently lead AI job creation and recommendation initiatives that reduce job creation time, improve candidate relevancy, and give recruiters stronger matching signals. I specialize in Python, Django, Java, REST APIs, Celery, Redis, and cloud technologies, with a strong focus on reliable, maintainable systems.

4+ Years
Experience
30+ Projects
Completed
15+ Technologies
Mastered
Contact Me View Skills

Skills

My Technical Skills

Backend Development

Java

Advanced

Spring Boot

Advanced

Python

Advanced

JavaScript

Advanced

Go

Intermediate

Django

Advanced

AI/Agents

Microsoft AutoGen

Advanced

CrewAI

Advanced

LangGraph

Intermediate

QLoRA

Intermediate

Agentic AI

Advanced

Prompt Engineering

Advanced

RAG

Advanced

Fine Tuning

Intermediate

Database

PostgreSQL

Advanced

MongoDB

Intermediate

MySQL

Advanced

Redis

Intermediate

Cloud & Infrastructure

AWS

Intermediate

GCP

Intermediate

Terraform

Intermediate
Hugging Face

Hugging Face Spaces

Advanced
Vercel

Vercel

Intermediate

Other Technologies

MCP

Advanced

Pydantic

Advanced

Kafka

Intermediate

FastAPI

Advanced

Celery

Intermediate

Git

Advanced

Projects

See More Projects

I maintain a dedicated showcase for all of my build-outs and experiments. Explore detailed write-ups, live demos, and repository links directly from my projects hub.

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Experience

My Professional Journey

Software Development Engineer II

Instahyre Apr 2026 - Present
  • Leading Instahyre's flagship 2026 beta release for AI-powered job creation and recommendations, using AI-generated job intelligence to reduce job creation time by 65% and improve candidate relevancy by 45% while auto-filling role details and improving job quality.
  • Building existing-job optimization recommendations that search large candidate datasets in real time, expanding relevant candidate pools by 40% and improving relevancy by 30%.
  • Leading 5 developers across feature delivery, blocker resolution, code and design reviews, and technical direction to improve ownership and execution speed.

Software Development Engineer I

Instahyre Jan 2023 - Apr 2026
  • Resolved 1000+ high-priority tickets and P0/P1 bugs while shipping critical features that improved product stability, reliability, and customer experience.
  • Launched the Hiring Suite for consultancies, increasing consultant retention by 30%+, enabling seamless job and candidate sharing across agency teams, and improving hiring speed by 20%.
  • Modularized scheduling system by decoupling manual booking and custom slot modules, reducing cross-module bugs and easing future development.
  • Revamped slot booking to improve candidate booking flows, eliminate race conditions, and cut slot-fetch wait time by 45%.
  • Optimized key APIs; achieved up to 73% faster responses and higher reliability.
  • Built dynamic, on-the-fly email templates; boosted recruiter adoption by 60% and reduced feature rollout time from 30 hours to 1 hour.

Software Engineer

Relevel by Unacademy Jul 2022 - Jan 2023
  • Automated educator payouts and mass class scheduling in Zoho CRM, saving 260+ person-hours monthly.
  • Streamlined course purchase flow, reducing sales pitching effort by 55% while maintaining revenue.
  • Automated class setup via predefined templates and batch creation, saving ~20 person-hours weekly for operations.
  • Built backend for candidate course dashboard with real-time tracking and automated reminders, increasing attendance by 30%.

Backend Developer Intern

Relevel by Unacademy Feb 2022 - Jul 2022
  • Evaluated speech-to-text solutions (Google, AWS, Mozilla) and productionized the best fit.
  • Adapted and deployed promising open-source projects through successful proof-of-concepts.

FAQ

Frequently Asked Questions
Who is Kaushik Paul?

Kaushik Paul is a Software Development Engineer II at Instahyre, specializing in backend development and AI-powered hiring products. He focuses on scalable systems with Python, Django, Java, REST APIs, Celery, Redis, and cloud technologies.

What does Kaushik Paul specialize in?

Building scalable backend systems, API design, AI-powered product development, performance optimization, and engineering leadership with Python, Django, Java, REST APIs, Celery, Redis, and cloud technologies.

How can I contact Kaushik?

Email at contact@kaushikpaul.co.in or connect on LinkedIn.

Contact Me

Get in Touch

Email

contact@kaushikpaul.co.in Write me

LinkedIn

Kaushik Paul Connect

GitHub

Kaushik-Paul View Profile