Hello, I'm

Kaushik Paul

Software Engineer

I build efficient and scalable backend systems with a passion for solving complex problems.

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15+ Projects View All

About Me

My Introduction

Experienced Software Engineer with a passion for building scalable backend systems. Currently working at Instahyre, where I've optimized API performance by 73% and implemented critical features that improved recruiter experience. I specialize in Python, Django, and cloud technologies, with a strong focus on creating efficient and maintainable solutions.

2+ Years
Experience
15+ Projects
Completed
10+ 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

Agentic AI

Advanced

Prompt Engineering

Advanced

Database

PostgreSQL

Advanced

MongoDB

Intermediate

MySQL

Advanced

Redis

Intermediate

Other Technologies

MCP

Advanced

Pydantic

Advanced

Kafka

Intermediate

Celery

Intermediate

AWS

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 Engineer

Instahyre Jan 2023 - Present
  • Resolved 800+ P0/P1 tickets and shipped critical features, stabilizing recruiter workflows.
  • Modularized scheduling system by decoupling manual booking and custom slot modules, reducing cross-module bugs and easing future development.
  • Revamped slot booking; eliminated 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.
  • Delivered a Premium Candidate Page end-to-end (APIs + UI) for recruiters.
  • Mentored interns and new hires; accelerated onboarding and team productivity.

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 Engineer based in Kolkata, India, specializing in backend development. He focuses on building scalable systems with Python, Django, Java, and Spring Boot.

What does Kaushik Paul specialize in?

Building scalable backend systems, API design, and performance optimization with Python, Django, Java, Spring Boot, 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