Hi, I am Rohit Jain.
I am a Software Development Engineer with almost 5 years of experience building, scaling, and operating backend, web, and mobile systems. I have worked across Amazon Pay core services, Prime Video international expansion, developer tooling, automation, and early-stage crypto/web applications.
My work spans technical design, implementation, debugging, production releases, operational excellence, and application security reviews. I like owning ambiguous problems end to end, improving reliability and latency, and turning manual operational workflows into repeatable systems.
Check out my projects on GitHub.
Skills
Languages: Java, JavaScript, TypeScript, Python, Dart
Frontend: ES6, Angular, Jekyll
Mobile: React Native, Flutter
Databases and APIs: GraphQL, DynamoDB, MySQL, MongoDB
Cloud Services: AWS, SQS, SNS, DynamoDB, CloudWatch, Step Functions
Misc: Nginx, Docker, CI/CD
Projects
Crypto Trading Bot
A trading bot based on a Bollinger Band strategy to generate buy and sell signals. The project uses the Binance API v3 to fetch live market data.
Recipe App
A web application for adding recipes and searching for recipes online, built with Flask and MongoDB for the REST API and Angular for the frontend.
Frontend Editor
A simple HTML, CSS, and jQuery-based web development environment for designers and developers to build pages with live preview and download their webpage.
dev-portfolio-blog
A Jekyll theme used to host blogs, profiles, and resumes. This site uses the same theme. The project has over 12k downloads and has been used by more than 60 people for portfolio hosting.
Clock App
A React Native clock app where users can change the font, color, timezone, and time format.
Work Experience
Software Development Engineer @Amazon - (Aug 2021 - Present)
- Working on Amazon Pay core services.
- Migrated a payment contract service, decreasing latency for contract-related calls by up to 30% and reducing operational load by up to 20%.
- Worked on a fast-paced live issue that prevented Amazon Pay from being disabled by more than 51 clients in the India marketplace.
- Experienced in application security, threat analysis, and risk mitigation for production releases.
- Worked on Prime Video international expansion.
- Automated price-change workflows across countries, reducing process time from 1 week to 2 days.
- Helped launch Prime Video in local currency in Sweden.
Software Development Engineer Intern @Amazon Prime Video - (Feb 2021 - Jul 2021)
- Updated string lookup logic for Prime Video, saving up to 40% in storage for translated strings while launching a new country.
- Worked on an internal automation tool that acted as an admin dashboard for launching new countries and helped automate the launch flow using AWS Step Functions.
Contractor @IOV - (Aug 2020 - Dec 2020)
- Worked on a React and React Native application for easier management of crypto wallets and profiles.
Software Engineer Intern @Fuzzy Sense - (May 2020 - Jan 2021)
- Worked on a Python application for options strategies.
- Implemented parallel programming, reducing execution time by 40%.
Frontend Intern @Creesync Software - (Jul 2018 - Jan 2019)
- Created and developed modular web templates from UI/UX designs to be plugged into frontend frameworks.
Hackathons
Amazon AWS Raise-Up Buildathon
Cloutvocate - Best in Nonprofit Fundraising
Bob Build-A-Thon
FAT-Burn - 1st prize
Team: Priyanshu