Harsh Vardhan

Software Engineer

Gurugram, Haryana, India9 yrs 1 mo experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in API development and performance optimisation.
Proven track record in caching technology implementation.
Strong background in travel and fintech domains.

Stackforce AI infers this person is a Backend-focused Software Engineer in the Travel and Fintech industries.

Contact

Skills

Core Skills

Api DevelopmentCaching TechnologyEvent-based Systems

Other Skills

AerospikeAmazon S3Amazon SQSApache IgniteApache KafkaApache ZooKeeperApollo GraphQLCascading Style Sheets (CSS)Core JavaDockerElasticSearchEquities PlatformHTML5HystrixJava

About

An experienced software professional with experiences in travel and investment banking domain. Currently employed with Expedia with previous experiences with Directi, Paytm Money and Yatra. Feel free to connect.

Experience

Expedia group

2 roles

Software Development Engineer III

Oct 2022 – Present · 3 yrs 5 mos

Software Development Engineer II

Jan 2021 – Oct 2022 · 1 yr 9 mos

Created user-level cache using Apache Ignite which reduced search API latency to milliseconds.
Did network payload optimisation using the Proto Buffers helping in reducing the API latency.
Created paginated APIs which reduced latency because of network payload reduction.
Blog - https://medium.com/expedia-group-tech/upgrading-apache-zookeeper-from-3-7-0-to-3-8-0-to-get-rid-of-the-log4j-vulnerability-46543e768540

Apache IgniteProto BuffersAPI DevelopmentCaching Technology

Paytm money

Software Engineer

Oct 2019 – Dec 2020 · 1 yr 2 mos · Bangalore

Built APIs to power components of the Equities platform.
Optimised equities charts call to external supplier APIs and stored them within a few seconds.

API DevelopmentEquities Platform

Yatra online pvt ltd

Software Engineer

Jul 2017 – Oct 2019 · 2 yrs 3 mos · Bangalore, India

Reduced response time by implementing Caching Technology (Aerospike).
Implemented event-based systems using Change Data Capture (CDC) Technology (Kafka + Mongo).
Implemented Flexi Stay (Hourly Bookings).

AerospikeKafkaMongoDBCaching TechnologyEvent-Based Systems

Intel corporation

Graphics Software Intern

Jan 2017 – Jul 2017 · 6 mos · Bangalore, India

Learnt 3D Graphics Pipeline and did the mathematics behind stages of Graphics Pipeline.
Worked on Auto Generation of header for the specific generation driver.