Vijay Kumar A.

Software Engineer

11 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Designed high-performance systems at Paytm Mall.
Led critical projects improving data ingestion efficiency.
Mentored junior engineers and improved team performance.

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

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Skills

Core Skills

NodejsElasticsearchCassandra

Other Skills

AlgorithmsCC++Core JavaData StructuresGitGoHTMLJavaScriptLinuxMaxwell daemonsMySQLRedis

About

Experienced Software Engineer with a demonstrated history of working in the Computer Software industry. Skilled in NodeJs, Python, Java, Mysql and modern queuing ledgers like Kafka etc.

Experience

Amazon

2 roles

Software Development Engineer

Apr 2021 – Present · 4 yrs 11 mos

Software Development Engineer II

Jul 2019 – Apr 2021 · 1 yr 9 mos

Building things

Paytm mall

Software Engineer

Aug 2017 – Jul 2019 · 1 yr 11 mos · Noida, Uttar Pradesh, India

Worked with Catalogue Ingestion team.
Designed and implemented solutions to improve the ranking on the sale lists with ElasticSearch Dynamic Scripting. The optimized system was ~7x faster than the older one. Improved the ingestion pipeline from a pull to a push system with Maxwell daemons and Cassandra based Central data dump.
The go-to guy in the team for production bugs. Got Rockstar Award for the same. Worked on a lot of mission-critical bug fixes and delivered with optimal turnaround time.
Mentored 2 SDEs under me and led Catalogue CleanUp Charter to clean spurious products from Paytm Mall catalogue.
Designed Image Processing Service for paytm mall catalogue that cropped the millions of images on the Paytm Mall website.
Worked on third party Catalogue Ingestion Contracts. Later moved the third party onboardings to a self-service system.

NodeJsElasticSearchCassandraMaxwell daemons

Jugnoo

Software Engineer

Jun 2016 – May 2017 · 11 mos · Chandīgarh, India

I was responsible for maintaining/implementing new features in authorization and payments server.
Optimized user lifecycle flows, driver enrollment flow and added new sign-in methods for the Jugnoo App.
Implemented a central integrated refund system which reduced the number of refund APIs from 7 to 1.
Developed the back end of the UPI offering Jugnoo Pay from scratch.
Developed the back end of Ask Local( crowd source review platform) and implemented news feed generation system.
Technologies : NodeJs, MySQL,Redis, Mocha

NodeJsMySQLRedis

Indian institute of remote sensing (iirs), indian space research organization (isro)

Software Development Intern

May 2015 – Jun 2015 · 1 mo · Dehradun, Uttarakhand, India

Worked with Photogrammetry and Remote Sensing Department on identifying vegetation and water regions from hyper spectral satellite images for verifying land use datasets generated by other government agencies.
Implemented Kernels to aid processing of non-linear data in fuzzy classification.

Quest - quizzing club

Head

Apr 2015 – May 2016 · 1 yr 1 mo

Head of Quizzing Society
NIT Jalandhar

Chegg inc.

CS Tutor on InstaEdu

Jan 2014 – May 2016 · 2 yrs 4 mos · Remote

I taught CS students part time in college. I garnered a lot of experience while interacting with CS undergrads and high school students from all over the world. It helped me to strengthen my communication skills.
All in all, it was a good first step for my professional career.