Available for Innovation

Rohit Kumar

Senior Software Engineer at Microsoft

Architecting secure, scalable systems and driving engineering excellence through high-impact ownership.

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The Career Roadmap

A cinematic timeline of growth, from foundation to scale.

2015

The Starting Line

Completed schooling with academic excellence. Awarded SJVN Silver Jubilee Merit Scholarship.

2017

Ignition

Started B.Tech CSE at NIT Hamirpur. Building the foundation of logic and algorithms.

2021

First Gear

Joined PayPal as SDE-1. Scaled transaction search for 700M+ records.

2023

Acceleration

Promoted to SDE-2 at PayPal. Automated fraud detection, reducing turnaround from days to minutes.

2024

The Big League

Joined Microsoft as SDE-2. Started working on Dynamics 365 Finance & Operations, focusing on security and stability.

2025

Senior Promotion

Promoted to Senior Software Engineer at Microsoft. Leading critical security migrations and architectural improvements.

Professional Experience

Microsoft

Senior Software Engineer (L62)
2024 - Present
  • Led end-to-end migration to Entra token-based authentication, eliminating credential risks.
  • Delivered SFI security fixes for 650+ customers, mitigating Sev2 incidents.
  • Designing granular storage reporting for 780+ customers to surface detailed usage metrics.
AzureEntra ID.NETKusto

PayPal

SDE-2 (Fraud Protection)
2021 - 2024
  • Automated fraud detection filters, reducing turnaround from 10 days to 20 minutes.
  • Optimized transaction search over 700M records with sub-800ms latency.
  • Won People's Choice Award at PayPal RaaS Hackathon 2023.
JavaSpring BootBigQueryPython

Technical Arsenal

Languages

C++, Python, Java, C#, SQL

Backend & Cloud

Azure, .NET Core, Spring Boot, Flask, GCP

Security & Identity

Entra ID, OAuth, Token-based Auth, Identity Modernization

Data & Performance

Kusto, BigQuery, SQLite, Performance Engineering

Education

NIT Hamirpur

B.Tech in Computer Science & Engineering

CGPA: 9.43 / 10 (Top 1%)

Key Achievements

  • PayPal Hackathon Winner (2021, 2023)
  • 1st Place - Debugging Contest
  • 5th Place - ISTE Coding Contest

Let's Connect

Ready to discuss the next big engineering challenge.