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HardCoder404/README.md

Cracked 4 National & International Remote SDE Roles as a Fresher

Software Engineer | Sr. Software Engineer @Slooze | Ex-SDE @DevTown | Ex-Full Stack Developer @Xipper | 3⭐ LEETCODE | GSSoC'24 Contributor | 200DaysOfCode+ on @LeetCode | 1000+ Problems Solved on DSA | DSA & DEV Mentor | 75DayHardPlacementChallenge 🔥 Coding

hardcoder404

𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 | 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗦𝘁𝗮𝗿𝘁𝘂𝗽 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 | 2.5+ 𝗬𝗢𝗘

I don’t just write code — I build real products. From empty repos to deployed apps, I own every step of the software lifecycle. Having worked end-to-end in fast-evolving, real-world startup setups, I bring a deep understanding of how to ship production-ready, SEO-optimized, and user-centric products from scratch.

💡My experience covers a range of role — from SDE to Full Stack Developer — and contributed across the stack with strong hands-on expertise in:

🔹 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, TailwindCSS, TypeScript, Angular, Redux
🔹 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Express.js, MongoDB, Firebase, PostgreSQL, graphQL
🔹 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗖𝗜/𝗖𝗗: GitHub Actions, Vercel, Netlify, Docker, AWS
🔹 Agile teams, scalable architectures, REST APIs, and rapid prototyping.

I thrive in dynamic environments where I can combine technical depth, product thinking, and execution speed to build software that delivers real impact. Whether it’s bootstrapping a new feature, optimizing page performance, or scaling systems, I bring a builder’s mindset with a focus on clean code and long-term maintainability.

📈 Open to exciting opportunities where I can continue solving meaningful problems and build with great teams.

Let’s connect — I’d love to collaborate and code something impactful together.


👨‍🏫 Professional Experience (From Jan 2024 - Present)

Slooze

Sr. Engineer (Aug 2025 – Present)

  • 🎨 Spearheaded the creation of an internal design-to-dev pipeline using a custom Canva workspace, streamlining the design handoff process and reducing UI inconsistencies by 70%.
  • 🔐 Refactored and secured critical API endpoints, ensuring optimal performance and alignment with RESTful best practices while improving system resilience and maintainability.
  • ☁️ Coordinated with cross-functional teams to enhance backend deployments with zero-downtime strategies, leveraging AWS services for monitoring, autoscaling, and rollback capabilities.
  • 👥 Played a key role in mentoring junior developers and conducting code reviews focused on scalability, maintainability, and adherence to coding standards.
  • 🏗️ Actively contributed to architectural decisions impacting feature rollout and long-term maintainability of the codebase.
  • ⚙️ Developed token-based access with one-time/monthly/yearly tiers, including real-time token usage tracking, speed controls, and upsell modals for premium upgrades.
  • 🔍 Enhanced AskAI with contextual node + discussion integration, improving answer relevance and surfacing smarter suggestions.
  • 📈 Resulted in 3x higher roadmap completions, reduced user drop-offs, and transformed the platform into a self-evolving AI-first learning ecosystem.

June 2025 – Present
Software Engineer · Coimbatore, Tamil Nadu, India · Remote

  • 🌐 Developed and designed the official company website with seamless 3D model integration and advanced UI animations using Framer Motion, enhancing user interactivity and visual appeal.
  • 🔗 Integrated GraphQL APIs for efficient and structured data fetching, transitioning from traditional REST APIs to a more scalable and performant architecture.
  • 📡 Connected the Request Service module with Zoho Work Channel, enabling automated lead capture and streamlined service management across teams.
  • Refactored and optimized the entire codebase to minimize redundant API calls, resulting in a 40% reduction in initial page load time and improved overall performance.
  • 🚢 Deployed scalable CI/CD pipelines using Azure, GitLab, and Vercel, ensuring zero-downtime deployments and faster iteration cycles across teams.
  • 🔧 Handled end-to-end production deployment, maintaining high availability, fault tolerance, and robust performance at scale.

DevTown

Oct 2024 – May 2025
SDE-I · Mumbai, Maharashtra, India · Remote

  • 🤖 Built an AI-powered chat application from the ground up, improving frontend efficiency by 60% and backend performance by 30%, delivering a highly responsive user experience.
  • Integrated and optimized AI model responses, reducing latency from 1.86s to 1.2s (35% faster) through strategic API design, caching, and performance tuning.
  • 🔌 Developed and integrated APIs to enable seamless frontend-backend communication while implementing secure user authentication mechanisms.
  • 🎨 Developed modern, responsive UI components in React that improved user engagement metrics by 25%, including better retention and interaction rates.
  • 💰 Led a cost-saving initiative by identifying unused AWS resources and establishing S3 bucket expiration policies, leading to an annual cost reduction exceeding $50,000 in AWS expenditures.
  • 🚀 Led the implementation of new features using the MERN stack, cutting down development time by 40%, and accelerating product iteration cycles.
  • 🛡️ Utilized Migrations and secure authentication techniques to optimize system performance and scalability, improving operational efficiency by 40%.

Xipper

July 2024 – Sept 2024
Full Stack Developer · Bengaluru, India · Remote

  • 🔌 Designed and integrated RESTful APIs, reducing system overload and enhancing communication between frontend and backend systems by 30%, ensuring robust and scalable interactions.
  • 📡 Designed scalable real-time communication features using WebSocket, ensuring smooth and reliable user experiences in live chat applications, reducing latency issues by 35%.
  • 🗂️ Owned and managed the complete project lifecycle, from initial system design and dev planning to production deployment, server setup, and post-launch support.
  • 🛠️ Conducted in-depth code reviews and optimization, reducing technical debt by 30%, standardizing best practices across teams, and improving maintainability.
  • Led the end-to-end performance overhaul of the platform, focusing on smoother tab-switching experiences, minimal downtime, and blazing-fast navigation across the app.

EliteKods

Sept 2023 – June 2024
Software Engineer · Pune, India · Remote

  • 💳 Optimized payment gateway integration, resulting in a 25% reduction in transaction failures and improved user trust.
  • 📱 Developed and integrated mobile applications, ensuring seamless functionality, intuitive interfaces, and smooth performance across devices, reducing user complaints by 60%.
  • 🤖 Integrated and optimized AI model responses, reducing latency from 1.86s to 1.2s (35% faster) through strategic API design, caching, and performance tuning.
  • 🛠️ Reduced technical debt by 30% via in-depth code reviews and optimization, ensuring maintainable, standardized codebases.
  • ☁️ Designed scalable cloud architecture on Microsoft Azure for AI workloads, improving system throughput by 10% while significantly reducing infrastructure costs via autoscaling and resource optimization.

Cyberoi Systems

Mar 2023 – Aug 2023
Frontend Developer · Chandigarh, Punjab · Remote

  • 🖥️ Built responsive and user-friendly web pages using React.js and Material-UI, improving overall UI consistency.
  • 🔌 Integrated ElasticSearch API on the frontend to display restaurants based on user queries and locations.
  • ⚙️ Implemented Google Maps API to detect and display the user’s current location for nearby restaurant suggestions.
  • 🛠️ Gained exposure to AWS services, serverless technologies, and CI/CD pipelines with Jenkins, enhancing understanding of modern deployment practices.
  • ⚡ Collaborated with the backend team to connect APIs with the frontend, improving data flow and overall application performance.

Connect with me:

  prince raj  x_prince_404 x_prince_404

I'm Code on (DSA):

dracula935  hardcoder404  prince_404  hardcoder404  dracula935


Use To Code 💻


JavaScript

TypeScript

React

Next.js

Node.js

Express.js

MongoDB

MySQL

Go(Golang)

Angular

Java

Tailwind CSS

Bootstrap

HTML

CSS

Redux

Python

Redis

C++

C

Zustand

Shadcn

GraphQL

Prisma

Firebase

PostgreSQL

Git

GitHub

VS Code

Postman

Figma

GitHub Actions

Docker

AWS

React Query

GitHub Copilot

Nginx

Supabase

NPM

Jest

Vercel

Netlify

⚡ Stats ⚡


streak stats readme stats hardcoder404




🎖️ All DSA Badges @LeetCode 🎖️




🎖️ Holopin Badges 🎖️


An image of @hardcoder404's Holopin badges, which is a link to view their full Holopin profile

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