SDE 2 at Instahyre · Noida, India

Hi, I'm Kaushik Paul

Software Engineer | Backend & AI

I build scalable backends. AI agents. hiring intelligence. reliable APIs.

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

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kaushik@instahyre: ~ LIVE

❯kaushik --whoami

SDE II @ Instahyre · Backend & AI Engineer

❯agent run job-intelligence

▸ parsing role requirements done

▸ generating job details done

▸ matching candidates done

✓ job creation time −65%

✓ candidate relevancy +45%

4+ yrs Experience
35+ Projects · View all
  • Python
  • Django
  • Java
  • Spring Boot
  • FastAPI
  • PostgreSQL
  • Redis
  • Kafka
  • AWS
  • GCP
  • Terraform
  • CrewAI
  • LangGraph
  • MCP
01 My Introduction

About Me

Who I am

Engineering reliable systems with an AI edge.

I'm Kaushik Paul, a 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 lead a team of 5 developers, was a key contributor to the Instahyre 2.0 relaunch, and build AI-powered features like Magic Boost and AI job creation that expand candidate pools, cut job creation time, and improve candidate relevancy. I specialize in Python, Django, Java, REST APIs, Celery, Redis, and cloud technologies, with a strong focus on reliable, maintainable systems.

Contact Me View Skills
Right now

SDE II @ Instahyre

  • Building AI matching & job intelligence
  • Leading a team of 5 developers
Based in

Noida, India

IST (UTC+5:30)

4+ Years Experience
35+ Projects Completed
15+ Technologies Mastered

Backend Systems

Reliable APIs, async pipelines with Celery & Redis, and performance tuning at scale.

AI Products

Agentic workflows, RAG, and AI job intelligence that recruiters actually use.

Engineering Leadership

Leading developers through delivery, reviews, and technical direction.

02 My Technical Skills

Skills & Tools

The stack I use to ship production backends and AI products.

  • JavaAdvanced
  • Spring BootAdvanced
  • PythonAdvanced
  • JavaScriptAdvanced
  • GoIntermediate
  • DjangoAdvanced
  • Microsoft AutoGenAdvanced
  • CrewAIAdvanced
  • LangGraphIntermediate
  • QLoRAIntermediate
  • Agentic AIAdvanced
  • Prompt EngineeringAdvanced
  • RAGAdvanced
  • Fine TuningIntermediate
  • PostgreSQLAdvanced
  • MongoDBIntermediate
  • MySQLAdvanced
  • RedisIntermediate
  • AWSIntermediate
  • GCPIntermediate
  • TerraformIntermediate
  • Hugging Face Hugging Face SpacesAdvanced
  • Vercel VercelIntermediate
  • MCPAdvanced
  • PydanticAdvanced
  • KafkaIntermediate
  • FastAPIAdvanced
  • CeleryIntermediate
  • GitAdvanced
03 Selected Work

Featured Projects

AI agents, media tools, and full-stack apps — all running live. Pick one to try it out.

Alex Agent AI Financial Advisor

Multi-agent AI financial advisor that analyzes your portfolio, plans retirement with Monte Carlo simulations, and delivers research-backed reports.

  • Multi-agent
  • AWS Serverless
  • Next.js

AI Digital Twin Personalized AI Assistant

An AI system that creates a digital twin of yourself, learning from your interactions and responding in your style.

  • LLM
  • Conversational AI

Media Toolbox GPU AI Media Toolkit

GPU-accelerated toolbox on Hugging Face ZeroGPU with Whisper transcription, Demucs stem separation, and Real-ESRGAN upscaling.

  • Whisper
  • Demucs
  • FFmpeg

Cyber-Security Agent AI Code Security Scanner

LLM-first agent that analyzes Python code with Semgrep and AI reasoning to produce vulnerability reports with prioritized fixes.

  • Semgrep
  • LLM
  • Cloud Run

Healthcare Assistant Consultation SaaS

AI-powered SaaS that turns consultation notes into visit summaries, next steps, and patient-friendly email drafts.

  • SaaS
  • Next.js
  • Auth

Price is Right AI Deal Assistant

AI-powered deal and contract assistant that helps create, refine, and review business deals and negotiation language.

  • AI Assistant
  • Negotiation

See More Projects

I maintain a dedicated showcase for all of my build-outs and experiments — with live demos and repository links.

Visit Projects Site GitHub
04 My Professional Journey

Work Experience

  1. Software Development Engineer II

    Instahyre
    Apr 2026 - Present
    • Key contributor to Instahyre 2.0 (Sep 2026), a relaunch adding all job functions, a reimagined candidate profile, and personalized job matching, with my team delivering a major share of the release.
    • Built Magic Boost, an AI-powered candidate expansion feature pairing AI with Instahyre's proprietary matching algorithm, increasing the relevant candidate pool for recruiters' jobs by 60%+.
    • Took AI-powered job creation and recommendations from beta to full release, using AI-generated job intelligence to cut job creation time by 65% and improve candidate relevancy by 45%.
    • Built real-time AI recommendations over large candidate datasets to suggest changes to existing jobs, growing relevant candidate pools by 40% and improving relevancy by 30%.
    • Leading a team of 5 developers, driving feature delivery, code and design reviews, blocker resolution, and technical direction.
    • Instahyre 2.0
    • Magic Boost
    • AI Job Intelligence
    • Team Lead

  2. 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%.
    • Revamped the scheduling system by decoupling event booking and slot scheduling modules, reducing cross-module bugs, preventing duplicate bookings, and cutting 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.
    • Python
    • Django
    • API Performance

  3. 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%.

  4. Engineering 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.
05 Frequently Asked Questions

Questions, answered

Quick answers to what people usually ask. Want to know more? My AI assistant has read my whole résumé.

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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 Paul?

Email at [email protected] or connect on LinkedIn.

06 Get in Touch

Let's build something great together.

Have a role, a project, or an idea worth building? My inbox is always open.

Write me an email
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