Shikhar Saxena profile photo 1 on Tal

Shikhar Saxena

Senior Software Engineer @ Cornerstone OnDemand | Ex - Software Engineer - II @ Amazon

New Delhi

6+ years of work experience

Cornerstone OnDemand
Dec 20259 mosPresent

Keychain
Sep 20253 mosNov 2025

Gurugram, Haryana, India

Amazon
Dec 20231 yr 8 mosJul 2025

Hyderabad, Telangana, India

• Led the design and architecture of a RAG based Gen AI chatbot Timehub Assistant for Amazon Associates, to help with Time and Attendance based queries of Associates, leading to a reduction in contacts by 25%. • Expanded the GenAI solution to 2 countries, building data pipelines for ingesting Amazon Policies, and worked on latency reduction, bringing the final load latency (TM-95) of Timehub Assistant from 55 seconds to 13 seconds. • Mentored 2 interns and 2 SDE-1s, keeping bi-weekly sessions, which ultimately led to offers for both interns and promotions for both SDE-1s. • Designed a system of testing non-deterministic use-cases of Generative AI using LLM-as-a-judge using open source libraries like DeepEval for RAG use cases, improving the stability and quality while avoiding regression. • Earned the title of Security Reviewer at Amazon by conducting in-depth reviews of applications handling customer data, ensuring compliance with security standards like OWASP Top 10, and proactively identifying potential vulnerabilities during the design phase using techniques like Threat Modelling and Vulnerability Scanning.
Amazon
Jul 20221 yr 6 mosDec 2023

• MyHR - Delivered critical features like Case Reopen Feature, Case Progress Tracker, etc. for MyHR (A one-stop solution for daily HR needs), which contributed to a goal of reducing contacts by 20%. • HRSC - Launched HR Service Central (HRSC), a unified solution for all Amazon HRs to create, escalate, and view employee cases. Also integrated with over 8 teams to provide data related to Job History, Compensation, Time and Attendance, Benefits, etc. of supported employees. • Salesforce Deprecation - Engineered an internal Case Management System (PXT-CMS) using AWS technologies like ECS, Lambdas, DynamoDB, and Opensearch to deprecate the use of Salesforce in the People Xperience and Technology (PXT) organization. Migrated and archived legacy cases and deprecated Salesforce across 2 domains, improving UI latency for 2000+ agents and saving $2M annually.
Hood
Apr 20211 yr 4 mosJul 2022

• DotReview - Architected the HLD and LLD of an anonymous review platform for founders and VCs. Launched the product and iterated on features which saw 3k+ signups in the first quarter of launch. • Implemented the complete VPC architecture along with various AWS services like Elasticache, OpenSearch, EKS,RDS, Lambda, etc. which brought down our release cycles from 2 weeks to 3-4 days.
Comviva
Aug 20209 mosApr 2021

Gurugram, Haryana, India

• Implemented various new features to the Digital Service Delivery Platform (DSDP) suite and delivered a personalized suite to 4 major telecom operators in Egypt, France, Senegal, and Vietnam, which contributed to exceeding the revenue goals for the quarter.

Shikhar’s AI Stack

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Education

Maharaja Surajmal Institute Of Technology

Bachelor of Technology (B.Tech.), Electrical, Electronics and Communications Engineering

Maharaja Surajmal Institute Of Technology

20164 yrs2020

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Headline

Senior Software Engineer @ Cornerstone OnDemand | Ex - Software Engineer - II @ Amazon

About

I love writing code. Ever since I was a kid, I had a great interest in computers. At the age of 12, I started finding websites to learn HTML and CSS online and used them to create websites and show off to my friends and parents. Soon enough I started to learn about more languages and found every little resource to teach myself Java. Ever since the first "hello world" program, I have always felt like a magician using my spells. Since then I have been a constant learner, intrigued by the possibilities of Computer Science. I am fluent in Java, Python, and Javascript. A self-taught coder with a huge interest in Machine Learning. I believe in taking responsibility and owning the products I build. Now as I step in the corporate world, I bring with myself the same enthusiasm I had when I wrote my first program and now I see the vast variety of things I am yet to learn.

Location

New Delhi

AI stack

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claudecode

Work experience

Senior Software Engineer - AI at Cornerstone OnDemand, Dec 2025 - Present · 9 mos

Backend Engineer at Keychain, Sep 2025 - Nov 2025 · 3 mos, Gurugram, Haryana, India

Software Engineer - II at Amazon, Dec 2023 - Jul 2025 · 1 yr 8 mos, Hyderabad, Telangana, India, • Led the design and architecture of a RAG based Gen AI chatbot Timehub Assistant for Amazon Associates, to help with Time and Attendance based queries of Associates, leading to a reduction in contacts by 25%. • Expanded the GenAI solution to 2 countries, building data pipelines for ingesting Amazon Policies, and worked on latency reduction, bringing the final load latency (TM-95) of Timehub Assistant from 55 seconds to 13 seconds. • Mentored 2 interns and 2 SDE-1s, keeping bi-weekly sessions, which ultimately led to offers for both interns and promotions for both SDE-1s. • Designed a system of testing non-deterministic use-cases of Generative AI using LLM-as-a-judge using open source libraries like DeepEval for RAG use cases, improving the stability and quality while avoiding regression. • Earned the title of Security Reviewer at Amazon by conducting in-depth reviews of applications handling customer data, ensuring compliance with security standards like OWASP Top 10, and proactively identifying potential vulnerabilities during the design phase using techniques like Threat Modelling and Vulnerability Scanning.

Software Engineer at Amazon, Jul 2022 - Dec 2023 · 1 yr 6 mos, • MyHR - Delivered critical features like Case Reopen Feature, Case Progress Tracker, etc. for MyHR (A one-stop solution for daily HR needs), which contributed to a goal of reducing contacts by 20%. • HRSC - Launched HR Service Central (HRSC), a unified solution for all Amazon HRs to create, escalate, and view employee cases. Also integrated with over 8 teams to provide data related to Job History, Compensation, Time and Attendance, Benefits, etc. of supported employees. • Salesforce Deprecation - Engineered an internal Case Management System (PXT-CMS) using AWS technologies like ECS, Lambdas, DynamoDB, and Opensearch to deprecate the use of Salesforce in the People Xperience and Technology (PXT) organization. Migrated and archived legacy cases and deprecated Salesforce across 2 domains, improving UI latency for 2000+ agents and saving $2M annually.

Software Engineer at Hood, Apr 2021 - Jul 2022 · 1 yr 4 mos, • DotReview - Architected the HLD and LLD of an anonymous review platform for founders and VCs. Launched the product and iterated on features which saw 3k+ signups in the first quarter of launch. • Implemented the complete VPC architecture along with various AWS services like Elasticache, OpenSearch, EKS,RDS, Lambda, etc. which brought down our release cycles from 2 weeks to 3-4 days.

Product Development Engineer at Comviva, Aug 2020 - Apr 2021 · 9 mos, Gurugram, Haryana, India, • Implemented various new features to the Digital Service Delivery Platform (DSDP) suite and delivered a personalized suite to 4 major telecom operators in Egypt, France, Senegal, and Vietnam, which contributed to exceeding the revenue goals for the quarter.

Education

Bachelor of Technology (B.Tech.), Electrical, Electronics and Communications Engineering, Maharaja Surajmal Institute Of Technology