Karan Singh

Software Engineer

Mumbai, Maharashtra, India3 yrs 7 mos experience

Key Highlights

Proven track record in delivering successful software solutions.
Recognized for operational excellence in handling critical tickets.
Achieved accolades for contributions to high-impact projects.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer in E-commerce.

Contact

Skills

Core Skills

AwsFullstackdevelopment

Other Skills

AWS LambdaAmazon Web Services (AWS)Backend DevelopmentC (Programming Language)C++Data StructuresData VisualizationDesignDocs(LLD+HLD)DjangoDjango REST FrameworkDynamoDBFront-End DevelopmentFullStackDevelopment(Java + React)HLDHTML

About

Highly skilled Software Engineer with a proven track record of delivering successful solutions in the industry. Adept at problem-solving and utilizing technical skills to tackle complex challenges. Committed to providing superior software solutions that exceed customer expectations. Industrial level skills: AWS Lambda, SQS, DynamoDB, SQL, FullStackDevelopment(Java + React), DesignDocs(LLD+HLD) and loves to do Competitive Programming. Have been POC for enabling Return Service and demonstrated operational excellence by successfully resolving numerous critical tickets, replanning packages during on-call support, and providing PEAK level assistance where we handled 5 million packages weekly. These achievements have been recognized through multiple accolades from SDM and Product Manager. In addition to my professional achievements, I have excelled in various coding competitions such as Codejam 2021, Kickstart 2021, ICPC 2021, Codechef, and Codeforces. Beside technical skills, been a part of College Football Team and secured a gold medal in State level Tournament.

Experience

Expedia group

SDE-2

Nov 2025 – Present · 4 mos · Gurugram

Here technologies

SDE-2

Jul 2023 – Nov 2025 · 2 yrs 4 mos · Mumbai, Maharashtra, India

Amazon

2 roles

Software Engineer

Promoted

Jul 2022 – Jun 2023 · 11 mos

Working on developing the Last Mile Delivery Product, which deals with access points such as counters and lockers, used as delivery and return drop-off locations for customers.
Designed and developed a notification system using event-driven architecture and AWS services, which creates a task for store associates to ensure timely pickup of containers having returned items.
Set up infra through CDK(Lambda, SQS, IAM) for the notification feature, full-stack development, and whole flow after notification click.
Successfully developed and rolled-out business critical project of handling customer return of Hazmat items as per the requirement from WFM Store, adhering to strict timelines.
Created an optimized script for test-data injection in DynamoDB for indexing, ensuring data consistency and integrity.
Have been POC for enabling Return Service and demonstrated operational excellence by successfully resolving numerous critical tickets, replanning packages during on-call support, and providing PEAK level assistance where we handled 5 million packages weekly.
These achievements have been recognized through multiple accolades from SDM and Product Manager.

AWS LambdaSQSDynamoDBSQLFullStackDevelopment(Java + React)DesignDocs(LLD+HLD)+2

SDE

Jan 2022 – Jun 2022 · 5 mos

Developed a customer return micro-frontend for the Fetch app, which store associates use for handling returns, driver pickups, and deliveries in Locker+ stores. This resulted in improved efficiency and is now in use globally.
Played a pivotal role in the Counter Improvement Program by designing and developing new features that improved store associates’ efficiency in handling customer returns, ultimately enhancing the overall customer experience.
Contributed to team learning by documentation to understand the low-level flow of packages from Amazon Lockers.