Namaste

I'm Arush Naudiyal

Senior Backend Engineer

Designing distributed systems that serve millions

Senior Backend Engineer @ HSBC · Java · Spring Boot · Distributed Systems · Payments

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About Me

Get to know me better

Backend Engineering

Senior Backend Engineer at HSBC with 3+ years designing distributed systems, microservices, and high-throughput APIs in financial technology.

Key Achievements

Built enterprise-scale backend systems serving millions of users, optimized API latency by 40%, and led cross-functional engineering teams.

Core Expertise

Proficient in Java, Spring Boot, Python, and cloud-native architectures. Strong background in system design, distributed computing, and data structures.

Problem Solving

Solved 450+ LeetCode problems, demonstrating strong algorithmic thinking and system design skills essential for backend engineering.

450+

LeetCode Problems

3+

Years Experience

2

Certifications

576

GitHub Commits

Professional Experience

Key achievements and impact in my career

Aug 2022 - Present · 3 yrs 1 mo

HSBC Backend Engineering Journey

HSBC • Pune, Maharashtra, India

Senior Software Engineer
Mar 2025 - Present · 6 mos
  • Leading backend architecture initiatives and mentoring developers on distributed systems
  • Architecting microservices for enterprise-scale financial platforms
Software Engineer
Mar 2023 - Feb 2025 · 2 yrs
  • Designed and deployed RuPay/UPI backend services for HSBC Credit Cards, improving system throughput
  • Replaced legacy OnDot platform with a scalable in-house microservices solution
  • Built AVT tool backend for Mexico market serving development and QA teams
Trainee Software Engineer
Aug 2022 - Feb 2023 · 7 mos
  • Trained in distributed systems and enterprise backend development
  • Contributed to production microservices under senior mentorship
Java Spring Boot Microservices AWS Jenkins Python REST APIs CI/CD
Feb 2021 - Sep 2021 · 8 mos

Backend Engineering Intern

TechHut • Internship

  • Built RESTful APIs and data models for a food delivery application using MERN stack
  • Implemented server-side logic with Express.js and MongoDB aggregation pipelines
Node.js Express.js MongoDB REST APIs

Education

Academic background in computer science

Bachelor of Technology in Computer Science

Graphic Era University

Graduated: 2022

Professional Certifications

Industry recognized credentials

AWS Certified Developer - Associate

Amazon Web Services (AWS)

Oracle Cloud Infrastructure 2024 – Generative AI Professional

Oracle (1Z0-1127-24)

Skills & Technologies

Tools and technologies I work with

Backend & APIs

Java
Python
Node.js
Spring Boot
Flask
REST APIs

Databases & Caching

MySQL
MongoDB
Oracle
SQL
COBOL

Cloud & DevOps

AWS
Jenkins
Git
GitHub
CI/CD

Frontend (Awareness)

ReactJS
HTML5
CSS3
VS Code

Featured Projects

Some of my recent work

URL Shortener

RESTful URL shortener with Base62 hashing, redirection tracking, and MySQL-backed analytics. Designed for high-throughput with optimized query patterns.

Java Spring Boot MySQL REST APIs
Code

myNoteBook

Secure note-taking backend with JWT-based stateless authentication, role-based access, and CRUD REST APIs. Passwords hashed with bcrypt.

Spring Boot JWT REST APIs MySQL
Code

Movie Recommendation Engine

Content-based recommendation system using TF-IDF vectorization and cosine similarity. Flask API with optimized SQL queries for fast lookups.

Python Flask MySQL REST APIs
Code

News Aggregator API

Spring Boot backend with category-based filtering, live search, and paginated REST endpoints. Designed for efficient data retrieval and caching.

Spring Boot REST APIs MySQL Java
Code

LinkStash

Bookmark management app with category-based organization, full-text search, and localStorage persistence. Clean React frontend with responsive design.

ReactJS JavaScript CSS3
Code Live Demo

LeetGalaxy

LeetCode problem tracker with performance analytics, progress visualization, and topic-based filtering. Built with React and deployed on Vercel.

ReactJS JavaScript CSS3
Code Live Demo

BIAF-offASR

Automatic Speech Recognition pipeline using deep learning models. Transcribes audio with high accuracy, deployed as an interactive HuggingFace Space.

Python Deep Learning ASR HuggingFace
Code Live Demo

Text Utility Tool

Full-stack text processing application with Node.js backend logic, regex-based parsing, and clean API-driven architecture.

ReactJS Node.js JavaScript
Code Live Demo
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Coding Activity

Stats and contributions

LeetCode

LeetCode Stats View Profile

GitHub

GitHub Stats Top Languages View Profile

Let's Connect

I'm always open to discussing new opportunities and collaborations

Phone

7310600422

LinkedIn

Connect with me professionally

GitHub

Check out my projects