Hey, I'm Nitin Ahirwal.
I build scalable, high-performance web applications with clean, maintainable code.
Passionate about crafting seamless user experiences, I specialize in the MERN stack, API integrations, performance optimization, and DevOps.
As the founder of DesignPreet, I’ve delivered 30+ projects, ranging from dynamic websites to complex SaaS applications.
When I’m not coding, I’m tinkering with homelab setups, optimizing Linux servers, or exploring new tech innovations.
Recent posts
LeetCode Challenge Day 111 — 1390. Four Divisors
Day 111 of my LeetCode challenge! Today's problem focuses on divisor counting with early stopping — combining number theory with efficient iteration to avoid unnecessary computation.
January 4, 2026
LeetCode Challenge Day 110 — 1411. Number of Ways to Paint N × 3 Grid
Day 110 of my LeetCode challenge! Today's problem dives into dynamic programming with pattern observation — counting valid colorings of an N × 3 grid using state compression.
January 3, 2026
LeetCode Challenge Day 109 — 961. N-Repeated Element in Size 2N Array
Day 109 of my LeetCode challenge! Today's problem focuses on observation and constraints — identifying an element repeated N times in a size 2N array without extra space.
January 2, 2026
LeetCode Challenge Day 108 — 66. Plus One
Day 108 of my LeetCode challenge! Today's problem is "Plus One" — a simple yet fundamental array manipulation problem that reinforces carry handling and elementary arithmetic logic.
January 1, 2026
Recent projects
IndiFlix - Netflix Frontend Clone
A Netflix frontend clone built with React, Redux, and Redux Toolkit.
August 8, 2023
DesignPreet
DesignPreet is a web development agency specializing in creating high-performance websites, web applications, and digital solutions. Our expertise includes MERN stack development, WordPress customization, mobile-friendly designs, and scalable web architectures.
March 8, 2022
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