Rohan is available for hire
Hire RohanRohan Kumar Kwatra
Verified Expert in Engineering
Data Scientist and Developer
Location
Dubai, United Arab Emirates
Toptal Member Since
March 16, 2021
Rohan is an experienced tech leader who excels in data science, AI, software development, and entrepreneurship. With a proven track record in leading teams, developing groundbreaking products, and optimizing processes, he secures funding, scales operations, and adapts to changing environments. Rohan's strategic planning and problem-solving abilities drive growth and enhance user experiences through data and technology.
Portfolio
Startup
Java, Amazon Web Services (AWS), Flutter, React, Python 3...
Online Freelance Agency
Google Cloud Platform (GCP), Data Science, Python 3, Elasticsearch...
JPMorgan Chase
Python 3, Data Science, Data Engineering, Spark, Amazon Web Services (AWS)...
Experience
Availability
Part-time
Preferred Environment
Python 3, Hadoop, Spark, Scikit-learn, Amazon Web Services (AWS), Artificial Intelligence (AI), Computer Science, Data Engineering, Python, OpenAI
The most amazing...
...thing I've done was founding and building the best credit card for creators in India in under five months while working with Pyxl.
Work Experience
Co-founder and CTO
2022 - 2023
Startup
- Pioneered the development of a groundbreaking credit card product tailored to creators in India, including Instagrammers, YouTubers, and Twitch streamers.
- Raised $2.75 million in funding from top-tier investors such as Nexus Venture Partners, Rocket Internet, Global Founders Capital, and Better Capital.
- Led the development and launch of a credit card product within an impressive 5-month timeframe, setting a new benchmark in the Indian market.
- Adapted to changing regulatory environments by pivoting the business focus following the Reserve Bank of India's (RBI) ruling on fintech-operated credit cards.
- Collaborated with a small, agile team to develop a Flutter app backed by Java back end to power the Pyxl Club card product, demonstrating efficiency and expertise in technology development.
- Managed company-wide strategic planning, product roadmaps, vendor onboarding and integration, and go-to-market strategy across both business ventures.
- Ensured efficient company operations by overseeing human resources, payroll, legal, compliance, and investor relations for both Pyxl Club and Origamy Club.
- Built a user-friendly company website and robust technology infrastructure for Origamy Club, utilizing React and Java.
- Created an AI-based lead generation platform to source relevant candidates—UI/UX designers—on LinkedIn and Behance and automate the reach-out and onboarding process.
Technologies: Java, Amazon Web Services (AWS), Flutter, React, Python 3, Natural Language Processing (NLP), Python, Docker, Machine Learning, Jupyter Notebook, Artificial Intelligence (AI), API Integration, Security, Web Scraping, Sentiment Analysis, Fintech, Google Cloud ML, Generative Pre-trained Transformers (GPT), OpenAI GPT-3 API, OpenAI GPT-4 API, AI Design, Minimum Viable Product (MVP), Supervised Machine Learning, Distributed Computing, Predictive Analytics, Scheduling, Azure, Software Architecture, Agile Product Delivery, JavaScript, GPT, Leadership, Data Scraping, Recommendation Systems, SQL, Flask, ChatGPT, Data Analysis, Google Data Studio, BigQuery, Business Intelligence (BI), Reports, Dashboards, Computer Vision, Project Management, MySQL, Frameworks, NumPy, Analytics, Data Analytics, Data Manipulation, Generative Pre-trained Transformer 3 (GPT-3), Azure AI Studio, Generative AI, Team Leadership, Open-source LLMs
Senior Data Scientist
2022 - 2022
Online Freelance Agency
- Led the supply-side data science team, focusing on identifying opportunities to improve KPIs for sourcing and vetting candidates to onboard to the company's platform.
- Facilitated the launch of an automated coding challenge, reducing average onboarding time from two weeks to four days.
- Collaborated on an AI-based matching engine, enhancing candidate selection for client job postings.
- Leveraged machine learning algorithms and advanced data analytics techniques to refine and improve the matching engine's accuracy and efficiency.
Technologies: Google Cloud Platform (GCP), Data Science, Python 3, Elasticsearch, Mode Analytics, Natural Language Processing (NLP), Google Cloud, Python, Machine Learning, Jupyter Notebook, Artificial Intelligence (AI), API Integration, Security, Web Scraping, Sentiment Analysis, Google Cloud ML, AI Design, Minimum Viable Product (MVP), Machine Learning Automation, Supervised Machine Learning, Predictive Analytics, Scheduling, Software Architecture, Agile Product Delivery, JavaScript, Leadership, Data Scraping, Recommendation Systems, SQL, Flask, Data Analysis, Google Data Studio, BigQuery, Business Intelligence (BI), Reports, Dashboards, Project Management, MySQL, Frameworks, NumPy, Analytics, Data Analytics, Tableau, Data Manipulation, Generative Pre-trained Transformer 3 (GPT-3), Team Leadership
Applied AI and ML Lead | Vice President
2017 - 2022
JPMorgan Chase
- Pioneered a novel machine learning approach that combines natural language techniques with supervised pattern mining to transform the manual reconciliation process—which optimized it by 40% and delivered $300,000 annualized savings in 2020.
- Built a document classifier and routing solution for the legal team to map the correct legal obligation documents for various business units. This resulted in $5+ million in savings in capacity creation and replaced vendor contracts.
- Led a team to develop and maintain a central data platform for easy access. The microservice architecture platform provided a single API for data access through a semantic query language based on GraphQL.
Technologies: Python 3, Data Science, Data Engineering, Spark, Amazon Web Services (AWS), Natural Language Processing (NLP), Python, Docker, Machine Learning, Amazon SageMaker, Jupyter Notebook, TensorFlow, Artificial Intelligence (AI), API Integration, Security, Chatbots, Web Scraping, Sentiment Analysis, Fintech, AI Design, PyTorch, Minimum Viable Product (MVP), Machine Learning Automation, Supervised Machine Learning, Distributed Computing, Predictive Analytics, Software Architecture, Agile Product Delivery, JavaScript, Leadership, Data Scraping, Recommendation Systems, SQL, Flask, Data Analysis, Google Data Studio, BigQuery, Business Intelligence (BI), Reports, Dashboards, Computer Vision, OCR, BERT, Custom BERT, Chatbot Conversation Design, Project Management, MySQL, Frameworks, NumPy, R, Analytics, Data Analytics, Data Manipulation, Team Leadership
Software Engineer
2016 - 2017
Zomato
- Migrated the existing on-premise data platform based on Cloudera to AWS using a combination of S3 and Redshift with Presto as the query engine.
- Improved the system's scalability and robustness, reducing the average monthly cost of maintaining the data setup by 30%.
- Enhanced the average query performance by 90%, which helped improve the user retention analysis for the sales and marketing team.
Technologies: Scala, Spark, Apache Hive, Presto, Amazon Web Services (AWS), Machine Learning, Artificial Intelligence (AI), API Integration, Sentiment Analysis, Supervised Machine Learning, Predictive Analytics, Software Architecture, Agile Product Delivery, JavaScript, Recommendation Systems, SQL, Data Analysis, Business Intelligence (BI), Reports, Dashboards, MySQL, Analytics, Data Analytics, Data Manipulation
Software Engineer
2015 - 2016
Visa
- Designed a bus ticketing app using mVisa for a Visa hackathon in 2015 and won the first prize—the best business value award.
- Developed a marketing data platform that handled the ingestion and processing of data from various 3rd-party campaigns run by the marketing team.
- Designed surveys that helped capture user behavior and response towards various Visa products and services.
- Delivered custom reports on Tableau servers, helping business users analyze key metrics and make data-driven decisions.
Technologies: Java, Cloudera, Hadoop, Tableau, AngularJS, Machine Learning, API Integration, SQL, Data Analysis, Business Intelligence (BI), Reports, Dashboards, MySQL, Analytics, Data Analytics, Data Manipulation
Experience
Starbucks Capstone Challenge for Udacity's Data Scientist Nanodegree
https://github.com/rohan-19/starbucks-capstoneThe problem statement addressed with this project was to find the probability of a user responding to a specific offer type and create a web application where we could enter the user's demographics to get the user's offer profile.
Investment Memo Generator Using Python and GPT
A React-based web app developed with a Python back end that can take in company details in the form of a website URL, pdf pitch deck, or Word document and generate an investment memo highlighting key aspects which help venture capitalists make an informed decision during pitch and evaluation. It summarizes data from the given data source plus augments from other alternate sources available on the internet to help consume information in minutes which would have otherwise taken weeks of effort by investment analysts.
Sustainability Score for Credit Card Statement
A personal sustainability spend management tool that can compute a score based on your card/bank account statement by collating data from various sources and help find alternate merchants or drive change in consumption habits towards greener alternatives.
Skills
Languages
Python 3, Python, JavaScript, SQL, R, Scala, Java
Frameworks
Hadoop, Flask, Spark, Presto, AngularJS, Flutter
Libraries/APIs
Scikit-learn, TensorFlow, NumPy, PyTorch, React
Tools
Amazon SageMaker, ChatGPT, BigQuery, Tableau, Cloudera
Paradigms
Data Science, Distributed Computing, Business Intelligence (BI)
Platforms
Docker, Jupyter Notebook, Azure, Azure AI Studio, Amazon Web Services (AWS), Google Cloud Platform (GCP)
Storage
Google Cloud, MySQL, Apache Hive, Elasticsearch
Industry Expertise
Project Management
Other
Artificial Intelligence (AI), Natural Language Processing (NLP), Machine Learning, API Integration, OpenAI, Security, Chatbots, Web Scraping, Sentiment Analysis, Fintech, Google Cloud ML, Generative Pre-trained Transformers (GPT), OpenAI GPT-3 API, OpenAI GPT-4 API, AI Design, Minimum Viable Product (MVP), Machine Learning Automation, Supervised Machine Learning, Predictive Analytics, Scheduling, Software Architecture, Agile Product Delivery, GPT, Leadership, Data Scraping, Recommendation Systems, Data Analytics, Data Analysis, Google Data Studio, Reports, Dashboards, BERT, Chatbot Conversation Design, Large Language Models (LLMs), Analytics, Data Manipulation, OpenAI API, Generative Pre-trained Transformer 3 (GPT-3), Generative AI, Team Leadership, Software Engineering, Data Engineering, OCR, Computer Vision, Frameworks, Open-source LLMs, Computer Science, Deep Learning, Mode Analytics, APIs, Data Processing, Data Processing Automation, Custom BERT
Education
2011 - 2015
Bachelor's Degree in Computer Science
Indian Institute of Technology Guwahati - Assam, India
Certifications
MARCH 2020 - PRESENT
Data Scientist Nanodegree
Udacity
JANUARY 2019 - PRESENT
Artificial Intelligence Nanodegree
Udacity
NOVEMBER 2017 - PRESENT
Deep Learning Foundation
Udacity
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