Initializing
Open to new opportunities

Sanjay Kumar
Saini

Software Specialist II · Backend & Distributed Systems

Building systems that scale to millions of users

0+
Years Exp.
0+
DSA Solved
0+
LC Rating
0+
Projects
View Projects Contact Me GitHub
Scroll

About Me

Engineer by degree · Builder by passion · Knight by grind

SKS
Sanjay Kumar Saini
Software Specialist II @ Belden Inc.
  • Pune, Maharashtra, India
  • B.Tech ECE · NIT Bhopal · 8.13 CGPA
  • kumarsaini0098@gmail.com
  • +91 72969XXXX
  • in/sanjaykumarsaini0098
  • github.com/skstanwar
  • LeetCode Knight 🏅 · Top 3% Globally

Hello, World! 👋

I'm a results-driven Software Engineer with 2+ years of experience designing and shipping scalable backend systems, REST APIs, and distributed services. Currently at Belden Inc. as a Software Specialist II, building production-grade automation pipelines, microservices, and firewall integrations that process 100k+ records with zero data loss.

Passionate about high-performance software, system design, and distributed architectures. LeetCode Knight with 1900+ rating — I don't just write code, I obsess over optimizing it. Graduate of NIT Bhopal (ECE, 2024) with a CGPA of 8.13/10.

100k+ Records Migrated (Zero Loss)
90% Manual Effort Reduced
Top 3% LeetCode Global Ranking
1000+ Teams Beaten @ Hackathon

LeetCode Insights

Live competitive programming stats · fetched via GraphQL

1900+
Rating

kumarsaini098

Competitive Programmer · Algorithm Specialist · DSA Knight

🏅 LeetCode Knight
Top 3% Globally — day streak — active days
Problems Solved by Difficulty
Total: 1000+
Easy
—
Med
—
Hard
—
⚡
1900+ Contest Rating
🏆
— Contests Attended
🌍
Top 3% Global Percentile
🎯
Knight Badge Tier

Tech Stack

The tools I use to build scalable, production-grade systems

Languages

C / C++ Python JavaScript SQL Dart (Flutter)

Backend & APIs

Node.js RESTful APIs Microservices WebRTC Socket.IO Apache Kafka Redis pub/sub FIDO2 JWT

Frontend

React.js Flutter HTML5 CSS3 XML Three.js

Databases

PostgreSQL MySQL MongoDB Redis DB Design & Optimization

Cloud & DevOps

AWS Google Cloud Docker Linux CI/CD Pipelines MLflow Databricks

Tools & Integrations

Git / GitHub Jira Bitbucket Azure OpenAI API Deepgram STT LDAP MoviePy

Systems & CS Fundamentals

Data Structures & Algorithms System Design Distributed Systems TCP/UDP Socket Programming Operating Systems DBMS OOP Computer Networks

Featured Projects

Hover to flip · 12 projects across backend, mobile, AI & web

💑
Full-Stack · Mobile · Real-Time
CDOTN — Real-Time Relationship App
FlutterNode.js WebRTCKafka RedisSocket.IO PostgreSQLMongoDB
Cross-platform mobile app for couples — real-time P2P video/audio (WebRTC), GPS sharing, health tracking, live chat. Multi-namespace Socket.IO system (/pair, /iceshare, /activityshare). Dual-DB: PostgreSQL + MongoDB. Kafka event streaming backbone. QR-code pairing with Base64 tokens in Redis TTL. JWT across REST + WebSocket.
GitHub
🎬
AI Pipeline · Python
Curious — AI Video Polish Tool
PythonAzure OpenAI Deepgram STTMoviePyTTS
End-to-end AI pipeline: extracts audio from video → Deepgram STT → Azure OpenAI grammar correction + filler-word removal → TTS synthesis → frame-accurate re-sync back to video. Enables broadcast-quality voiceovers programmatically. Cuts post-production time by 60%.
GitHub
🔄
Backend · Automation · Belden
Jira Data Migration Pipeline
PythonREST API MySQLLinux ScriptsDocker
Production-grade pipeline migrating 30+ years of legacy issue data from HacZilla → Jira Cloud via REST APIs + Linux automation. 100k+ records processed with zero data loss. Cut manual migration effort by 90%. Deployed at Belden Inc. with enterprise compliance.
Private Repo
⏱️
Microservice · Finance · Belden
Jira Worklog Automation Microservice
PythonMySQL DockerJira API
Backend microservice automating Jira worklog extraction and syncing employee timesheet data with the finance database. Reduced manual reporting overhead by 70% and improved data accuracy across teams at Belden Inc.
Private Repo
🔐
Security · Firewall · Belden
VTAIR Firewall Integration
PythonREST API Hardware SecurityNetwork
REST API-driven automation for VTAIR firewall platform — integrating software services with hardware security devices. Enables dynamic policy configuration and real-time rule deployment with sub-second response times. Collaborated with security & network teams.
Private Repo
🧊
Web · 3D · WebGL
3D Object Builder
JavaScriptThree.js WebGLHTML5CSS3
Browser-based 3D model creation and manipulation tool. Provides essential features for 3D object creation, editing, and geometric transformation — leveraging Three.js and WebGL for GPU-accelerated rendering directly in the browser.
GitHub
💰
Finance · Web App · Security
BudgetBuddy — Finance Tracker
HTMLJavaScript FIDO2MFA
Finance tracker with hardware-level multifactor authentication (FIDO2). Categorizes transactions into expense / savings / investment / earning buckets. Allows users to make tracked investments. Demonstrates deep integration with modern WebAuthn/FIDO2 security standards.
GitHub
🎵
Web · Audio · JavaScript
iRadio — Music & News Player
JavaScriptHTML5 CSS3Web Audio API
A modern web-based radio station where everyone can listen to songs and news. Features a sleek playback interface, audio streaming, and station switching — built with vanilla JavaScript and the HTML5 Web Audio API for smooth in-browser streaming.
GitHub
💬
Social Platform · Web
BabyBox — Social Thoughts Platform
JavaScriptNode.js HTML5CSS3
Community-driven social platform where anyone can share thoughts and view others' posts. Features post creation, community feed, and interaction. Clean and minimal interface designed for low-friction sharing of ideas and updates.
GitHub
📊
Data Tool · Backend · Belden
Employee Time Log Tracker
PythonSQL LDAPJira API
Python & SQL tool to track employee time logs for Jira stories by extracting and preprocessing Jira data using the LDAP library. Integrated with Belden's finance system to streamline reporting, reduce discrepancies, and improve time-log management across teams.
Private Repo
🔧
Platform · Atlassian · Extensions
Atlassian Forge Apps
JavaScriptForge SDK JiraConfluence
Custom Atlassian Forge applications extending Jira and Confluence with additional automation features and integrations. Built using Atlassian's modern cloud-native Forge platform with serverless functions and UI Kit components.
GitHub
🐍
Python · Utility · Automation
Vyan_py — Python Utility Toolkit
PythonAutomation Scripting
A Python utility toolkit featuring automation scripts for various computational and data-processing tasks. Demonstrates strong Python programming fundamentals with practical scripts for everyday developer productivity and automation workflows.
GitHub

Work Experience

2+ years shipping production systems across domains

Belden Inc.
Software Specialist II
Pune, India
Dec 2024 – Present
  • Architected production-grade Python migration pipeline to sync 30+ years of legacy issue data from HacZilla → Jira Cloud via REST APIs & Linux scripts, processing 100k+ records with zero data loss, cutting effort by 90%.
  • Designed backend microservice automating Jira worklog extraction & finance DB sync via Python, MySQL & Docker — reducing manual reporting overhead by 70% and improving cross-team data accuracy.
  • Engineered REST API automation for the VTAIR firewall platform, integrating software with hardware security devices — enabling dynamic policy configuration with sub-second response times.
  • Built Python & SQL tool to track Jira story time logs using LDAP, integrated with finance system to streamline reporting and time-log management.
  • Collaborated cross-functionally with security, network & finance teams to ensure system reliability, scalability, and enterprise-grade authentication compliance.
Sodales Labs India Pvt. Ltd.
Product Trainee
Pune, India
May 2024 – Sep 2024
  • Built and deployed scalable web application modules using JavaScript & XML — focusing on reusable component design, RESTful API integration, and efficient client-server communication for enterprise clients.
  • Applied system design principles to architect modular, maintainable front-end solutions, improving codebase scalability and reducing average feature development time by 30%.
  • Contributed features actively used in production by enterprise clients, gaining strong exposure to real-world product development workflows and delivery cycles.

Education & Achievements

Academic excellence · competitive milestones · hackathon victories

🎓 Education
NIT Bhopal
Maulana Azad National Institute of Technology, Bhopal
B.Tech — Electronics & Communication Engineering
2020 – 2024 CGPA: 8.13 / 10
Relevant Coursework
Data Structures Algorithms DBMS Computer Networks Operating Systems OOP Signal Processing Digital Electronics
🏆 Achievements
🏅

LeetCode Knight — Top 3% Globally

1900+ contest rating · 1,000+ DSA problems solved across arrays, graphs, DP, trees & system design

🚀

Namma Yatri Hackathon (Part A & B)

Built & presented a production-ready solution competing against 1,000+ teams

🤖

Microsoft Copilot Hackathon 2023

Developed an AI-powered productivity tool with deep Microsoft LLM API integration

⚡

Rank 118 — Codathon 2023, ISTE NIT Bhopal

National-level competitive programming contest with participants across India

Get In Touch

Let's build something extraordinary together

Let's Connect! 🤝

I'm always open to discussing new opportunities, interesting projects in distributed systems, or just a great conversation about backend engineering and DSA. Don't hesitate to reach out — I respond fast!

Email
kumarsaini0098@gmail.com
Phone
+91 72969XXXX
Location
Pune, Maharashtra, India 🇮🇳