Available for new opportunities

Hi, I'm Jaiganesh Tumkar

Full Stack Developer

Graduate of NITK specializing in building scalable web applications with a strong emphasis on performance, clean architecture, and maintainability. Backed by a solid foundation in competitive programming.

💡

Fun Fact: This web application is built with Next.js and has zero client components. Don't believe me? Try disabling JS and see nothing breaks!

About Me

A quick overview of who I am

I'm a passionate Full Stack Developer with hands-on experience in building scalable web applications. Currently working as an SDE I at Simplilearn, I specialize in creating performant solutions with clean architecture.

My journey started at National Institute of Technology Karnataka, where I discovered my love for programming. Today, I leverage my strong foundation in competitive programming to solve complex problems efficiently.

I communicate clearly, manage time well, and am always eager to learn new skills and technologies.

Location

Bengaluru, India

Current Role

SDE I @ Simplilearn

Education

NITK Graduate

Codeforces

Expert (1600+)

Skills

Technologies and tools I work with

Languages

C
C++
JavaScript
TypeScript
HTML
CSS

Frontend

React.js
Next.js
Redux
Tailwind CSS
SEO
Form Handling

Backend

Node.js
Express.js
REST APIs
WebSockets
Kafka

Database

PostgreSQL
MySQL
Sequelize

Tools

Git
GitHub
VS Code
Postman

Core CS

Data Structures
Algorithms
OOP
Problem Solving

Experience

My professional journey so far

Current
Feb 2026 - Present

Software Development Engineer I

Simplilearn
  • Working on core platform features and improving user experience
  • Collaborating with cross-functional teams to deliver high-quality solutions
  • Contributing to the development of scalable and maintainable code
React.js
Next.js
Node.js
TypeScript
April 2025 - Jan 2026

Full Stack Developer

Hirelyft India Pvt. Ltd.
  • Developed a full-stack Job Portal using React.js, Express.js, PostgreSQL with JWT authentication and granular RBAC, supporting 3 distinct user roles with dedicated dashboards
  • Implemented Admin moderation workflows for company approvals and job approvals, reducing manual review effort up to 40% and improving approval turnaround time by more than 30%
  • Integrated an AI-powered chatbot using PostgreSQL, Pgvector, and Gemini API for semantic search, improving query resolution accuracy by 35%
  • Built responsive UI components using Tailwind CSS, HeroUI, React Hook Form, and Zod validation, reducing form-related errors by 45%
React.js
Express.js
PostgreSQL
Tailwind CSS
Gemini API

Projects

Some of the things I've built

Learning Management System

Dec 2025 - Present

Enterprise-grade LMS with multi-role RBAC system

  • •Designed enterprise-grade RBAC with multi-role assignment and single active-role enforcement
  • •Built end-to-end course management with secure authentication and audit logging
  • •Enforced active role-based access control with dynamic dashboards and granular route protection
React.js
Express.js
PostgreSQL
Sequelize
Tailwind CSS

Employee Manager

Jan 2025 - Feb 2025

Secure employee management system with full CRUD capabilities

  • •Built secure employee management with JWT auth and RBAC for compliant onboarding
  • •Engineered RESTful backend with optimized ORM models and structured queries
  • •Delivered responsive dashboard with React Query and Redux Toolkit integration
Next.js 15
Express.js
MySQL
Sequelize
Redux Toolkit
Tailwind CSS

Education

Academic background and certifications

National Institute of Technology Karnataka

Sep 2020 – Jul 2024

Bachelor of Technology in Civil Engineering

NIT SurathkalB.TechCivil Engineering
CGPA: 7.42

NPTEL Certification

2023 · IIT Roorkee

Data Analytics With Python

PythonData AnalyticsIIT Roorkee

GitHub Activity

Real-time contributions and statistics (including private repos)

Total Contributions

290

Current Streak

27 days

Longest: 27 days

Repositories

20

Lines of Code

~330.1k

Estimated additions

Top Languages

JavaScript90.0%
TypeScript9.5%
CSS0.3%
HTML0.2%
Dockerfile0.0%

Most Active Projects

mediflow-client

Private
Internal

"feat(ui): implement role-based routing, navigation, and admin panel"

+672-12121 Mar, 2026

mediflow-server

Private
Internal

"feat(auth): implement role-based access control and admin endpoints"

+101-1421 Mar, 2026

jaiganesh-portfolio

Private
Internal

"fix: remove suspense streaming"

+3-1403 Mar, 2026

Competitive Programming

Codeforces statistics — problem solving strength and contest performance

jgtumkar
jgtumkar

expert

1634

Rating

1634

Peak

Max rank: expert
Top 9.2% Globally

Problems Solved

687

Unique problems, verdict OK

on Codeforces

Contest Performance

45

Contests participated

Best rank#573
Latest rank#2,021

Division Best Ranks

Div. 2
#927#1,126
Div. 3
#573#875
Div. 4
#3,254#3,319

Top Problem Topics

greedy334 solved
math303 solved
implementation235 solved
brute force154 solved
constructive algorithms149 solved

LeetCode Stats

Problem solving strength and topic mastery

jgtumkar
jgtumkar

Global Rank #78,559

Top 19.7% Globally
Last active 16 days ago
Check if Binary String Has at Most One Segment of Ones
Accepted

Problems Solved

716

Total Solved

Easy225 (31.4%)
Medium400 (55.9%)
Hard91 (12.7%)

Topic Strengths

Easy
Array388
String145
Sorting98
Two Pointers68
Matrix56
Medium
Hash Table131
Math111
Depth-First Search97
Breadth-First Search85
Tree76
Hard
Dynamic Programming142
Backtracking33
Union-Find22
Divide and Conquer18
Trie10

Get In Touch

Let's work together