HARI KRISHNAN RAMACHANDRAN
Birmingham
Summary
A results-driven Data Engineer with over 3 years of experience specializing in Natural Language Processing (NLP) and data engineering.
Expert in designing and deploying scalable data pipelines and AI solutions across cloud platforms such as AWS and Azure.
Proven ability to enhance customer experiences and business outcomes by leveraging advanced machine learning techniques and efficient data management practices.
Seeking to utilize the expertise in NLP and data engineering to drive innovation and deliver impactful solutions in a forward-thinking organization.
Overview
5
5
years of professional experience
Work History
Data Science Engineer
SKELLAM AI PVT LTD
Bangalore
10.2020 - 09.2023
- Developed and deployed "Coffeetalk," an NLP-based text analytics platform at Starbucks, leveraging Java APIs to enhance customer satisfaction by 30%
- Contributed to the development of a customized enterprise AI solution deployed on AWS, delivering over 6 billion recommendations annually by aggregating structured and unstructured data, including social media and customer reviews
- Designed and implemented robust data pipelines to efficiently process and analyze vast amounts of unstructured data for the AI solution, enabling effective NLP model training and insights generation
- Pioneered the development of the ‘Usuals’ feature within the Deepbrew Recommendation system, offering personalized recommendations by understanding the customer’s purchase behavior
- This feature serves 30 million Starbucks Customers and drove in 100,000 USD per annum
- Created 8 scalable ETL pipelines for the GetRecs(cart recommendation)feature at Starbucks, incorporating code optimization for enhanced performance
- Authored 5 ETL pipelines for a Martech Analytics project aimed to drive crucial business decisions at a platform level by evaluating different marketing campaigns
- Automated Data Load pipelines and the process of triggering Azure Devops pipelines using Azure Data factory by implementing a workaround thus improving the efficiency by 60%
Head of Operations
SKURREL EWENTURE PVT LTD
Bangalore
08.2018 - 08.2020
- Collaborated cross-functionally with technical and non-technical teams to streamline operations and drive business growth, contributing to a 25% increase in online sales and a 30% reduction in operational bottlenecks
Education
Master of Science - Computer Science
University of Birmingham
09.2024
Bachelor of Technology - Electrical and Electronics Engineering
TKM COLLEGE OF ENGINEERING
2018
Skills
- SKILLS
- Technical Skills:
- Programming Languages and Frameworks:
- Python, Java, Spark(, Flask, Lang chain
- Cloud Services: Azure Data Factory, Azure Data Lake, Azure Databricks, Azure Synapse Analytics, Azure Dev Ops
- Databases: SQL Server, MySQL, Redis, Snowflake
- Data Management and visualization: Data Warehousing, Data Modelling, Tableau
- Tools: Git, Docker, Kubernetes
- Machine Learning & NLP: Retrieval-Augmented Generation (RAG), RAGAS, Model Evaluation and Bench-marking, Quantization of LLMs, Tokenization
Additional Information
- Developed a RAG-based chatbot for London Travel and Tourism data, leveraging LLMs (Llama 2 7b, Mistral-7b-instruct-v0.1, ChatGPT) within the Langchain framework. Implemented FAISS, Retrieval-Cohere Rerank, and a hybrid retriever (BM25 + FAISS) to deliver personalized and contextually relevant responses to user queries. Evaluated and benchmarked the performance of advanced LLMs (Llama 2 7b, Mistral-7b-instruct-v0.1, ChatGPT) within the RAG and RAGAS frameworks, demonstrating expertise in model selection and optimization for various NLP tasks.
Timeline
Data Science Engineer
SKELLAM AI PVT LTD
10.2020 - 09.2023
Head of Operations
SKURREL EWENTURE PVT LTD
08.2018 - 08.2020
Master of Science - Computer Science
University of Birmingham
Bachelor of Technology - Electrical and Electronics Engineering
TKM COLLEGE OF ENGINEERING
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