user@portfolio:~$ ./init_sequence.sh

Kunal Dubey_

> Systems & Low‑Level Engineer

./view_projects./contact_me
./whoami

About Me

Kunal Dubey

Kunal Dubey

Systems Engineer

Passionate about low-level systems, C/C++, and building scalable network applications. Based in Delhi, India.

memory.c
void* ptr = malloc(1024); if (!ptr) return -1; // manual memory management
Systems Programming
Low-level coding with C and C++. Memory management & optimization.
api_status.json
{ "status": "healthy", "uptime": "99.9%", "latency": "12ms" }
Backend Engineering
Robust APIs and microservices using Node.js and C++.
bash
$git commit -m "feat: initial commit" git push origin main
Open Source
Active contributor to Homebrew and other system utilities.
paths
$/etc/hosts C:\Windows\System32 /Users/kunal/.config
Cross-Platform
Building tools that run anywhere. Windows, Linux, macOS.
complexity
Time: O(n log n) Space: O(n) // optimized solution
Algorithms
Solving complex problems. Codeforces & LeetCode enthusiast.
Dockerfile
$FROM node:18-alpine WORKDIR /app COPY . . RUN npm install CMD ["npm", "start"]
DevOps & Cloud
Docker, CI/CD, and infrastructure as code.
Career Path

Professional Experience

1
May 2025 - Present

Software Development Engineer I

Capital Compute Technologies

Backend-focused Software Engineer working on a large enterprise logistics platform built in Java used to manage air, ocean and land freight shipments and operational workflows.

  • Developed and maintained backend services using Spring Boot and REST APIs for shipment tracking and logistics workflows.
  • Used Hibernate/JPA for persistence and database interactions with PostgreSQL and MySQL.
  • Integrated asynchronous event-driven components using Kafka for communication between backend services.
  • Maintained frontend modules built using Google Web Toolkit (GWT) along with modern components implemented in React and Angular.
  • Debugged and modernized a large production Java codebase while integrating microservice-based components.
  • Built update delivery infrastructure using AWS S3 and CI pipelines for cross-platform desktop application distribution.
  • Developed native C++ modules using Node N-API to integrate low-level system functionality with application runtime.
2
Jan 2025 - May 2025

Software Development Intern

Capital Compute Technologies

Developed a screen recording platform similar to Loom using ElectronJS and NodeJS.

  • Built backend processing pipeline using AWS Transcoder to convert WebM recordings to MP4.
  • Implemented multipart upload workflow using AWS S3 presigned URLs enabling reliable large video uploads.
  • Created CI/CD pipelines using GitHub Actions and CircleCI for automated cross-platform builds.
3
Oct 2023 - Feb 2024

Frontend Developer Intern

HIDS Technologies Private Limited

Developed web applications using Next.js and TypeScript.

  • Implemented automated testing using Jest and Cypress.
  • Built an e-learning platform called Skill Master using ReactJS.
4
Feb 2023 - Apr 2023

FullStack Development Intern

Brew Labs Pvt. Ltd.

Was part of a team of 4 and worked on designing and improving web applications using ReactJS.

./tech_stack

Skills

Core Languages

C++CJavaTypeScriptSQL

Native & Systems

Node N-APIObjective-C++Qt FrameworkBoost.AsioScreenCaptureKitFFMPEG

Backend Infrastructure

Spring BootHibernate/JPAApache KafkaPostgreSQL/MySQL

Build & Delivery

CMakenode-gypLLVMDockerGitHub ActionsCircleCIAWS S3
./open_source

Open Source Contributions

Contribution Snapshot

Contribution Sources

4 repos

Homebrew Core

0 merged

CARE FE

1 merged

Electron

1 merged

LLVM Project

0 merged

./work

Selected Projects

Fusum Framework

In Progress

Lightweight desktop app framework

  • ›Built a lightweight framework for desktop application development.
  • ›Focused on reusable primitives for native-feeling cross-platform tooling.
  • ›Designed as a foundation for building desktop apps without carrying heavy application scaffolding.
C++Desktop AppsFramework
view_source

mem_pool_allocator

Free-list memory pool allocator

  • ›Implemented a fixed-size memory pool allocator using a free-list approach.
  • ›Supports constant-time allocation and deallocation for pooled memory blocks.
  • ›Built to study allocator internals, fragmentation behavior, and allocation overhead.
C++Memory ManagementAllocator
view_source

klang

In Progress

Compiler for a simple language

  • ›Started a compiler implementation for a small custom language in C++.
  • ›Explores parsing, syntax modeling, and compiler pipeline fundamentals.
  • ›Built as a practical way to go deeper into language tooling and compiler internals.
C++CompilerParsing
view_source

@0biwank/screen-capture

macOS screen + audio capture addon

  • ›Published a native Node.js package for macOS screen and audio capture.
  • ›Built file-backed HLS output for recording workflows.
  • ›Packages native prebuilds and TypeScript declarations for Node.js consumers.
Node N-APIC++macOSHLS
view_source

zapshare

In Progress

P2P file transfer & networking

  • ›Simple P2P file sharing app using a central rendezvous server.
  • ›Sender generates a secret; receiver uses that secret to connect and pull the file.
  • ›Currently works on the same network, with plans for UDP hole punching.
C++NetworkingP2P
view_source

getSystemAudio

macOS system audio capture module

  • ›Built a Node.js module for capturing system audio on macOS.
  • ›Uses native platform integration through Objective-C++.
  • ›Created to bridge low-level OS audio capture with JavaScript runtime usage.
Objective-C++Node.jsmacOS
view_source
./contact

Get in Touch

Have a project in mind or want to discuss low-level engineering? Signal me.

Connect

Location

Delhi,India

Follow

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