ARJIT SHARMA

AI Researcher

India12 yrs 8 mos experience
AI ML PractitionerAI Enabled

Key Highlights

  • Over 12 years of experience in software engineering.
  • Led development of advanced AI and ML systems.
  • Expertise in building scalable, resilient systems.
Stackforce AI infers this person is a Backend-heavy AI/ML Engineer with extensive experience in Fintech and E-commerce.

Contact

Skills

Core Skills

Artificial Intelligence (ai)Machine LearningSoftware DevelopmentSystems Design

Other Skills

AlgorithmsAmazon Web Services (AWS)Apache KafkaApache SparkApplied Machine LearningCloud ComputingCommunicationComputer ScienceConvolutional Neural Networks (CNN)Core JavaCritical ThinkingData AnalysisData MiningData ScienceData Structures

About

Seasoned Software Engineer with over 12 years of experience building scalable, resilient systems and ML platforms across domains like e-commerce, travel, and fintech. From developing backend infrastructure at MakeMyTrip to building intelligent NLP-DeepRL based chatbots at Expedia to designing Feature Stores, GPT-based workflows at GoKwik, I’ve consistently delivered high-impact solutions that combine engineering depth with product thinking. Currently leading efforts on multi-agent GenAI system combining a T5-based Text-to-SQL agent, distributed SQL execution agent, and LLaMA-3 RAG for intelligent workflow recommendations to help merchants reduce RTO rates. I also led the engineering efforts for Feature Store 2.0 at GoKwik — a highly performant and optimized platform for fast ML inferencing. Previously at Expedia, I led the development of a Deep Reinforcement Learning agent that powered intelligent dialogue in chatbot, using off-policy DQN and automated retraining pipelines. I improved the intent recognition model by 24% and drove real-time NLP system enhancements. Academically, I hold a Master’s in AI & ML from Liverpool John Moores University, with thesis work on Urban Autonomous Driving using deep RL, encoders-decoders, and convolutional networks (Details: https://arxiv.org/abs/2108.12134, https://www.youtube.com/watch?v=R0ZyhJxpKhA&t=1s) Seeking senior engineering roles where I can blend deep tech with applied ML and GenAI to build scalable, intelligent systems. 📩 sharma.arjit07@gmail.com 📞 +91-9535230002

Experience

12 yrs 8 mos
Total Experience
2 yrs 4 mos
Average Tenure
11 mos
Current Experience

Paypal

Senior AI Platform Engineer

Jul 2025Present · 11 mos · Bengaluru, Karnataka, India

  • Building AI Platform that provides Model Training, Inferencing, Feature and Vector Store, Model deployments at PayPal
Model TrainingInferencingFeature StoreVector StoreModel deploymentsArtificial Intelligence (AI)+1

Gokwik

SDE 3

Jul 2022May 2025 · 2 yrs 10 mos

  • Designed and major development contribution on Feature Store (FS) 2.0 for faster ML model inferencing
  • Integrated RTO Global ML models, improving generalization, scalability, and accuracy.
  • Currently leading efforts on multi-agent GenAI GPT-based system for intelligent workflow recommendations to help merchants reduce RTO rates.
  • Led the design, development and scale of microservice architecture on RTO (ReturnToOrigin) Product
Distributed SystemsApache KafkaPySparkPython (Programming Language)Artificial Intelligence (AI)REST APIs+13

Expedia group

2 roles

Machine Learning Scientist 3

Promoted

Mar 2020Jul 2022 · 2 yrs 4 mos

  • Led the Development a Reinforcement Learning Agent prototype for Goal-Oriented Chatbots
  • Using Off-policy Deep Q-Learning to drive intelligent conversations with user
  • Developed State-Tracker and User Simulator to do offline-training
  • Implemented the Automated Train Script for Re-Learning of Optimal Policy of RL Agent
  • Worked on increasing the overall accuracy of Recommended Objective Supervised ML Model
  • Developed data pipeline to filter, cleanse, partition raw data for RO model training.
  • Published work on Gesture Recognitions and Machine Language Translations on Kaggle
Distributed SystemsGitMachine LearningApache KafkaArtificial Intelligence (AI)High-Level Design+8

Software Development Engineer 2

May 2018Mar 2021 · 2 yrs 10 mos

  • ✔ Technologies: Java, Python, SpringMVC, MySQL, Redis/CouchDB, Restful WebServices.
Distributed SystemsGitApache KafkaHigh-Level DesignSpring BootDeep Neural Networks (DNN)+8

Makemytrip

Senior Software Engineer

May 2016Apr 2018 · 1 yr 11 mos · New Delhi Area, India

  • ✔ Develop features around International Flights product of MakeMyTrip.
  • ✔ Worked on Shortlisting of Flights on listing page (1-person project)
  • Developed add/get/remove APIs for user specific shortlisting of flights
  • Developed Kafka Streams - standalone java application from scratch (for processing
  • review/booking data and updating cache)
  • Integrated with latest Kafka Streams, Spring Couchbase, System Health and Metrics.
  • ✔ Auto void win back project (1-person project)
  • Increase of 7.58% in payment re-attempt success
  • About 1.2% increase in daily orders
  • ✔ Integrated M3 cancellation penalty API, reduced api response time by more than 3x
  • ✔ Implemented Broadcast Coupons with A/B framework on listing page.
  • ✔ Developed search‐delete Redis key utility to improve the accuracy of Cache in system
  • ✔ Technologies: Java, SpringMVC, MySQL, Redis/CouchDB, Restful WebServices.
Distributed SystemsGitApache KafkaKubernetesHigh-Level DesignSpring Boot+7

Zoomcar

Software Engineer

Apr 2015May 2016 · 1 yr 1 mo · Bengaluru Area, India

GitSpring BootComputer ScienceScalability

Novell

Software Engineer

Jul 2013Apr 2015 · 1 yr 9 mos · Bangalore

Computer Science

Education

Liverpool John Moores University

Master's degree — Artificial Intelligence

Jan 2019Jan 2021

International Institute of Information Technology Bangalore

Post Graduate Diploma In AI/ML — Artificial Intelligence

Jan 2019Jan 2020

National Institute of Technology Durgapur

Bachelor of Technology (B.Tech.) — Information Technology

Jan 2009Jan 2013

Kendriya Vidyalaya

XII — PCM

Jan 2008Jan 2009

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