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Rahul Sen

Data Scientist at Checkout.com | MSc Data Science, University of Manchester

London

6+ years of work experience

Checkout.com
Oct 20241 yr 10 mosPresent

London Area, United Kingdom

EATCLUB Brands (Formerly BOX8)
Jun 20212 yrs 2 mosJul 2023

Bengaluru, Karnataka, India

• As a Senior Data Scientist, I played a pivotal role in architecting and operationalising a robust data warehouse on AWS Redshift. Leveraging Airflow for ETL pipelines, I successfully achieved a remarkable 70% reduction in average query execution time, significantly enhancing data accessibility and analysis efficiency. • One of my notable achievements was the development of a cutting-edge computer vision solution utilizing TensorFlow. This innovative solution automated critical audit processes, resulting in an 80% reduction in manual labor, enabling the team to focus on higher-value tasks. • In a leadership capacity, I spearheaded and managed a team of 5 members, overseeing 5+ projects end-to-end. Through close collaboration with backend, data, business, and operations teams, I defined key performance indicators (KPIs) and identified bottlenecks, driving continuous improvement and growth. • Additionally, I contributed to the recruitment process as a panel member, ensuring a seamless onboarding experience for new hires and maintaining the highest standards of talent acquisition. • Core-team member and On-Spot Award winner.
EATCLUB Brands (Formerly BOX8)
Jun 20201 yr 1 moJun 2021

Bengaluru, Karnataka, India

• Working as a Data Scientist, I developed and deployed a machine learning sales forecasting model that achieved a daily Mean Absolute Percentage Error (MAPE) between 10-15%. This model empowered data-driven sales strategies and improved revenue predictability, providing valuable insights for informed decision-making. • I engineered algorithms to streamline delivery logistics through optimal partner assignments and order routing, resulting in a 25% reduction in dispatch delay. This optimization effort significantly improved operational efficiency and customer satisfaction. • Furthermore, I implemented an automated system to control outlet status, optimizing the balance between sales and service. This innovative solution led to an average 12% decrease in late orders while sustaining sales, ensuring customer satisfaction and business growth.
EATCLUB Brands (Formerly BOX8)
Jun 20191 yr 1 moJun 2020

Bengaluru, Karnataka, India

• For the role of Business Analyst, I performed strategic marketing through customer segmentation based on ordering and behavioral patterns. I created a notification system leveraging Python and APIs to target user segments, resulting in an impressive increase in conversion rates from 0.8% to 1.5%. • Additionally, I developed an automated inventory management system through predictive analytics for anticipated peak hours. This system maintained optimal stock levels, slashing inventory waste from 29% to 11% and diminishing out-of-stock occurrences by 7%, contributing to cost savings and enhanced customer experience.
Blue Star limited
Jun 20182 mosJul 2018

Mumbai, Maharashtra, India

Observed and inferred the quality of both the mechanical and electronic parts of a refrigerator and air conditioner
Steel Authority of India Limited
May 20162 mosJun 2016

Bokaro, Jharkhand, India

Understood and observed the working of Steel Melting Shop (SMS) where liquid iron is passed through LD converters that is oxidised to make steel.

Education

The University of Manchester

MSc Data Science (Business and Management), Data Science

The University of Manchester

20231 yr2024
RV College of Engineering

Bachelor of Engineering - BE, Electrical and Electronics Engineering

RV College of Engineering

20154 yrs2019

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Headline

Data Scientist at Checkout.com | MSc Data Science, University of Manchester

About

With over 4 years of professional experience in data science and a passion for solving complex problems, I bring along extensive experience in leveraging data to drive business growth and operational excellence. Skilled in machine learning, data warehousing, computer vision, forecasting, and business analytics, I have a proven track record of delivering impactful solutions. I am currently enhancing my skills through an M.Sc. in Data Science at the University of Manchester, set to graduate in early September 2024. I am driven by a desire to innovate and lead teams with a collaborative mindset and a commitment to staying at the forefront of technological advancements. Let's connect and explore opportunities in the exciting realm of data science!

Location

London

Work experience

Data Scientist at Checkout.com, Oct 2024 - Present · 1 yr 10 mos, London Area, United Kingdom

Senior Data Scientist at EATCLUB Brands (Formerly BOX8), Jun 2021 - Jul 2023 · 2 yrs 2 mos, Bengaluru, Karnataka, India, • As a Senior Data Scientist, I played a pivotal role in architecting and operationalising a robust data warehouse on AWS Redshift. Leveraging Airflow for ETL pipelines, I successfully achieved a remarkable 70% reduction in average query execution time, significantly enhancing data accessibility and analysis efficiency. • One of my notable achievements was the development of a cutting-edge computer vision solution utilizing TensorFlow. This innovative solution automated critical audit processes, resulting in an 80% reduction in manual labor, enabling the team to focus on higher-value tasks. • In a leadership capacity, I spearheaded and managed a team of 5 members, overseeing 5+ projects end-to-end. Through close collaboration with backend, data, business, and operations teams, I defined key performance indicators (KPIs) and identified bottlenecks, driving continuous improvement and growth. • Additionally, I contributed to the recruitment process as a panel member, ensuring a seamless onboarding experience for new hires and maintaining the highest standards of talent acquisition. • Core-team member and On-Spot Award winner.

Data Scientist at EATCLUB Brands (Formerly BOX8), Jun 2020 - Jun 2021 · 1 yr 1 mo, Bengaluru, Karnataka, India, • Working as a Data Scientist, I developed and deployed a machine learning sales forecasting model that achieved a daily Mean Absolute Percentage Error (MAPE) between 10-15%. This model empowered data-driven sales strategies and improved revenue predictability, providing valuable insights for informed decision-making. • I engineered algorithms to streamline delivery logistics through optimal partner assignments and order routing, resulting in a 25% reduction in dispatch delay. This optimization effort significantly improved operational efficiency and customer satisfaction. • Furthermore, I implemented an automated system to control outlet status, optimizing the balance between sales and service. This innovative solution led to an average 12% decrease in late orders while sustaining sales, ensuring customer satisfaction and business growth.

Business Analyst at EATCLUB Brands (Formerly BOX8), Jun 2019 - Jun 2020 · 1 yr 1 mo, Bengaluru, Karnataka, India, • For the role of Business Analyst, I performed strategic marketing through customer segmentation based on ordering and behavioral patterns. I created a notification system leveraging Python and APIs to target user segments, resulting in an impressive increase in conversion rates from 0.8% to 1.5%. • Additionally, I developed an automated inventory management system through predictive analytics for anticipated peak hours. This system maintained optimal stock levels, slashing inventory waste from 29% to 11% and diminishing out-of-stock occurrences by 7%, contributing to cost savings and enhanced customer experience.

Vocational trainee at Blue Star limited, Jun 2018 - Jul 2018 · 2 mos, Mumbai, Maharashtra, India, Observed and inferred the quality of both the mechanical and electronic parts of a refrigerator and air conditioner

Vocational trainee at Steel Authority of India Limited, May 2016 - Jun 2016 · 2 mos, Bokaro, Jharkhand, India, Understood and observed the working of Steel Melting Shop (SMS) where liquid iron is passed through LD converters that is oxidised to make steel.

Education

MSc Data Science (Business and Management), Data Science, The University of Manchester

Bachelor of Engineering - BE, Electrical and Electronics Engineering, RV College of Engineering