Rajat Aggarwal

CEO

Gurugram, Haryana, India4 yrs 9 mos experience

Highly Stable

Key Highlights

Expert in Java and Spring Boot development.
Proven track record in optimizing database performance.
Experience in delivering high-impact e-commerce projects.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in E-commerce and Gaming industries.

Contact

rajataggarwal2019@gmail.com 9996679299 LinkedIn

Skills

Core Skills

JavaSpring BootMysqlRedisNode.jsJavascriptReact

Other Skills

Algorithm DesignAlgorithmsAmazon DynamodbAmazon SQSAmazon Web Services (AWS)Back-End Web DevelopmentC (Programming Language)C++Data StructuresMongoDBPython (Programming Language)React.jsSQL

About

Fluent in Java, Spring boot, MySQL - RDBMS, NoSQL, DynamoDB, Redis, AWS, ELK stack, Javascript (Node.js + ReactJS), Design Patterns, Distributed systems, and object-oriented methodology of building software. Eager to learn new things and impart my experience and learnings into building great products.

Experience

D. e. shaw india private limited

Senior Member, Tech

Oct 2024 – Present · 1 yr 5 mos · Gurugram, Haryana, India · Hybrid

Margin And Risk Optimization

Nykaa

2 roles

Software Engineer II

Promoted

Apr 2023 – Oct 2024 · 1 yr 6 mos · Gurugram, Haryana, India

1. Promotions Team
a. Part of nykaa new rule management system service.
b. Led Generic Counter project, responsible for maintaining the usage of coupons, offers. Using redis cluster mode for cache and mysql transactions we got success in controlling response time for usage api during sales and overcoming database bottlenecks for high velocity offers.
2. Cart Team
a. Delivered major projects like Delta Communication, Price Drop impacting the cart to checkout funnel.
b. Integration of new domains like fashion pos, quick commerce and new services like nykaa rule management system which drives the promotional engine.
c. Worked on Integration of 3rd party gamiﬁcation services (customer glu), considering message
integrity and veriﬁcation via message digest.

RedisMySQLJavaSpring BootNode.jsJavaScript

Software Engineer

Jun 2021 – Apr 2023 · 1 yr 10 mos · Gurugram, Haryana, India

1. Worked on a highly scaled cart service, including offers, coupons, and wishlist microservices.
2. Developed coupon bulk mapping throttling logic with runtime config changes such as batch size, delay, and active hosts. Successfully controlled RDS spikes during big sales, eliminating the need for coupon RDS provisioning.

Winzo

SDE INTERN

Jan 2020 – Jun 2020 · 5 mos · New Delhi, Delhi, India

Worked as a full-stack development intern. My tasks included:
1. Planned and implemented Superstar microservice responsible for handling referrals of YouTubers.
2. Developed Authentication, HackAttempts etc, APIs for GS (game server) and WinZO Store
3. Back Oﬃce: Full stack application based primarily on React-Redux for the front-end and express (node.js) for the backend.

ReactNode.js