Available for Opportunities

Hi, I'm Priyanshu

Full Stack Developer

Software Engineer @ Cognivac

Crafting scalable web and mobile applications with React, Next.js, Spring Boot, and FastAPI.
450+ LeetCode problems solved and 5-star HackerRank certified.

React.jsNext.jsSpring BootFastAPIPostgreSQLMongoDB

Contact Me View Projects Resume

Profile Snapshot

2+ Years

Building production-ready full stack products

450+

LeetCode Problems

5 Star

HackerRank

Developer.java

public class Developer {

// compiled with ☕ and sheer willpower

private final String name = "Priyanshu";

private int leetcodeSolved = 450; // and counting...

private int coffee = Integer.MAX_VALUE;

public String fixBug(Bug bug) {

// classic dev move

if (bug == null) {

return "works on my machine 💻";

}

debug(); coffee--; // sacrifice accepted

return "Fixed. Don't ask how. 🚀";

}

Full Stack Developer | Freelancer | Problem Solver

About Me

Software Engineer @ Cognivac

I'm an MCA graduate and Full Stack Developer specializing in building scalable, production-grade web and mobile applications. Currently working at Cognivac, I also collaborate with clients as a freelance developer, delivering reliable, business-driven software solutions.

I'm passionate about solving complex problems with clean, efficient code and delivering impactful digital solutions that combine performance, scalability, and exceptional user experience.

450+

LeetCode Problems

5⭐

HackerRank Java

5⭐

HackerRank MySQL

Years Experience

Frontend Development

React.jsNext.jsReact NativeTailwind CSS

Backend Development

Spring Boot (Java)FastAPI (Python)RESTful APIs

Database & Cloud

PostgreSQLMySQLMongoDBSupabaseFirebase

Engineering Practices

I follow solid engineering principles including Low-Level Design, Object-Oriented Programming, MVC Architecture, and Clean Code Standards. I collaborate in Agile environments using Jira, ClickUp, and Slack, managing codebases with Git, GitHub, and GitLab.

Connect With Me

WhatsApp Email Medium GitHub LinkedIn Topmate LeetCode HackerRank

Technical Expertise

JavaScript (ES6+)

TypeScript

React.js

Next.js

HTML5

CSS3

Tailwind CSS

Bootstrap

Redux

Java

Spring Boot

Python

FastAPI

MySQL

PostgreSQL

Supabase (PostgreSQL)

MongoDB

Git

GitHub

GitLab

Docker

Work Experience

Software Engineer

2024 - Present

Cognivac

Built production-grade web apps with modern frontend and backend stacks.
Improved API performance and reliability for client-facing systems.
Delivered features end-to-end with agile execution and clean architecture.

Freelance Full Stack Developer

2023 - Present

Independent Projects

Designed and shipped SaaS/MVP products for startups and local businesses.
Handled architecture, implementation, deployment, and post-launch support.
Focused on speed, scalability, and conversion-driven UX.

Founder & Builder

2024 - Present

Krixen

Built internal product systems and reusable development workflows.
Led product direction from idea validation to deployment.
Streamlined development velocity with component-first engineering.

Featured Projects

Hire Check

Recruiter dashboard to create coding assessments, invite candidates via email, and review scores with a proctored candidate test experience (timer, auto-save, anti-cheat).

ReactSpring BootPostgreSQL

Core Highlights

Recruiter Dashboard - Pipeline KPIs, Recent Activity & Active Assessments
Test & Candidate Management - Search, Invite/Resend, Bulk Invite & Public Links
+ View more details

FoodCal

AI-powered fitness and calorie tracking platform using computer vision to analyze food, calculate calories, macros, BMI, and personalized fitness goals.

Next.jsSupabasePython

Core Highlights