Vaibhav Chauhan

Software Development Engineer

Backend SDE with experience across Java microservices, Node.js APIs, full-stack internal tools, data engineering pipelines, and AWS-based event-driven systems.

7M DAUproduction scale
3.4M/dayrequests migrated
9 servicesJDK 17 migration
80%failed order recovery
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Aspirations & Responsibilities

Distributed Systems With Clear Ownership
Forward-Deployed Engineering in the Field
High-Throughput Platforms That Stay Calm

Bengaluru, India

Experience

Production chapters

May 2024 - Present Bengaluru, India

Hopscotch

Software Development Engineer I

  • Built a payment recovery workflow for failed online transactions with retry mechanisms and state reconciliation, recovering roughly 80% of failed orders.
  • Led JDK 8 to JDK 17 migration across 9 microservices using Spring, Spring Boot, Vert.x, and Dropwizard.
  • Collaborated on Gift with Purchase checkout logic and eligibility rules, improving conversion on the checkout page.
  • Increased product page traffic by 5-7% through cross-navigation between homepage carousels and product detail pages.
  • Migrated 3 production microservices handling about 3.4M daily requests from Vert.x to Spring Boot.
  • Boosted repeat user visits by 4% across a 7M DAU platform by designing and implementing Recently Viewed APIs.
  • Cut pipeline execution time from 4 hours to 1.5 hours and reduced annual cost by INR 200K through Airflow parallelization and S3 caching.
Jan 2024 - May 2024 Bengaluru, India

Hopscotch

Software Engineering Intern

  • Prevented checkout failures during high-traffic sale events by implementing dynamic cart size limits based on inventory availability.
  • Enhanced customer operations workflows with real-time SMS and email alerting using AWS SES.
  • Supported release quality with unit testing, code reviews, QA handover, and post-release validation.
Nov 2022 - Apr 2023 Ahmedabad, India

WeHear - Hearing Solutions

Full Stack Developer Intern

  • Contributed to product engineering at India's first hearing care company focused on making daily hearing habits more ear-health friendly.
  • Collaborated with cross-functional teams to develop a full-stack HRMS system.
  • Engineered scalable backend systems, high-performance APIs, and database structures for a smooth chat experience.
Aug 2022 - Sept 2022 Ahmedabad, India

Chipbucket Solutions Private Limited

Node.js Developer Intern

  • Learned and applied Node.js with MySQL in backend development workflows.
  • Developed REST APIs to manage home devices through a web application.
Projects

Built work

Project

Order Tracking System

A scalable Spring Boot service for monitoring order lifecycle events and surfacing status updates across the fulfillment journey.

Spring BootJavaREST APIsOrder Lifecycle
View source

Project

LDCE Student Portal

Jan 2022 - Feb 2022

A student services portal built to simplify registration, login, and certificate request workflows for college operations.

  • Collaborated on backend endpoints for student registration and login.
  • Developed certificate request related features for student-facing workflows.
  • Used ORM-backed MySQL models to keep application logic structured and maintainable.
React.jsNode.jsExpress.jsMySQLORM
Skills

Technical index

Languages

JavaPythonJavaScriptSQLJ2EENode.jsHTMLCSS

Frameworks

Spring BootSpring MVCVert.xDropwizardReact.jsNext.jsExpress.jsApache AirflowDistributed Systems

Databases

MySQLRedisDynamoDBMongoDBSQL ServerElastic Search

Cloud & Tools

AWS S3AWS SQSAWS SESAWS SNSAWS LambdaGitCI/CDDataDogJIRAREST APIsKafka

Education

L.D. College of Engineering

Bachelor of Engineering - Information & Technology with CGPA - 8.8

June 2020 - May 2024Ahmedabad, India
Achievements

Problem solving record

01

Rs. 50,000 prize

1st Rank, State-Level Hackathon SSIP 2022

Built Bhoomi, a real-world solution focused on secure property transfers and practical public-impact problem solving.

Read case note
02

Cybersecurity and misinformation

Finalist, National-Level Cybersecurity Hackathon KAVACH 2023

Built Chanakya, an intelligent fake news detector aimed at identifying harmful misinformation patterns.

Read case note
03

Rs. 40,000 initial funding

SSIP 2.0 Innovation Grant

Received student startup funding through Student Startup and Innovation Policy 2.0, Government of Gujarat.

Contact

Reach me

EmailLeetcodeLinkedInGithub