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Dean Nahaul

Dean Nahaul

Data Scientist

Cognizant Technology

Technologies

My Portfolio Highlights

My New Course

Introduction to R

Data scientist, turning data chaos into organized knowledge.

My Work

Take a look at my latest work.

course

Introduction to R

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Quantexa | Apr 2023 - Present

Lead Data Engineer

N/A

Quantexa | Nov 2020 - Jun 2023

Senior Data Scientist

N/A

Quantexa | May 2019 - Nov 2020

Data Scientist

Developer, Global Insurance Company, December 2019 – September 2020 • Completed environment smoke testing to assess the stability and configuration of the client’s infrastructure to ensure the Quantexa application and it’s ETL processes could be run successfully • Developed pipelines to build, deploy and test Quantexa using GitLab CI, Jenkins, Nomad and Consul • Developed integration tests for ETL workflow to detect any breaking changes caused by development tasks Academy Team Lead, Internal, July 2019 – November 2019 • Supervised trainees going through the Quantexa Academy certification process answering questions about the product and helping them debug any issues • Planned and implemented Quantexa’s partner accelerated training program which reduced the time for candidates to become certified from 12 weeks to 8 • Improved training documentation and guidance to speed up the process of getting certified • Assisted with the design and implementation of a training image deployed on AWS which would provide all of the necessary resources to complete the academy
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Cognizant | Apr 2018 - May 2019

Data Scientist

HM Government: June 2018 - Present • Implementing an ML classification model to try predict the port of entry for goods entering the UK from the EU to analyse where resources may need to be placed post Brexit • All work has been completed in R and Shiny

Cognizant | Sep 2016 - Mar 2018

Graduate Data Scientist, Big Data

• Attended a 3 week induction program in Spain which consisted of training in agile methodologies, personal development, presentation skills and teamwork building Projects HM Government: September 2017 - June 2018 • Supporting an Java 8 Rest API which interacts with Apache HBase and Samza • Writing unit and integration tests with the Mockito framework • Using Swagger to create documentation for the API • Working in an Agile DevOps team Multinational Utilities Company: February 2017 – September 2017 Data Ingestion Java API • Data sources were being ingested into the client's data lake daily but this process could not be monitored from a single view. The client wanted to create a tool to monitor the status of ingestion jobs running in the data lake to create a dashboard • Worked in a team to create a Java API to log ingestion job information into a MySQL database from a data lake ingestion tool during runtime Hadoop HDP 2.6 Cluster Replication • The client runs two HDP 2.6 clusters as production and development environments. A DistCp job is scheduled to run each day to copy the latest data to the development environment • Developed a replication tool to copy changes from the production cluster in near real time using Hive, MySQL, Kafka and Java Leading Global Pharmaceutical Company: November 2016 – January 2017 • The client managed hundreds of data sources and had information for each system at a very granular level. They found it difficult to merge and visualise this information to get a top level view of their systems • Worked in a team to merge and import this data into a MongoDB instance and visualised it by creating a mindmap using D3.js, MongoDB, PyMongo and Apache HTTP

ESA Retail | Aug 2013 - Sep 2015

Client Services Executive

• Solving client queries and quote requests • Liaising with internal departments to coordinate projects • Managing resources, timings and costs for projects • Calculating and estimating quotes for research proposals • Creating and delivering presentations for prospective clients • Analysing and delivering final research reports and data to clients • Meeting clients regularly to improve working relationship • Monitoring KPI’s to ensure service level agreements are met

ESA Retail | May 2013 - Aug 2013

Data Services Executive

• Ensuring data is of a high standard for clients • Programming in Visual Basic to increase work efficiency • Participating in meetings with client services team to provide project updates • Supervising Data Assistants on projects • Organising resource on projects to meet deadlines

My Education

Take a look at my formal education

Master of Science (MSc), Data Science and AnalyticsBrunel University London | 2016
Bachelor of Science (BSc), Computer Science (Games Technology)The Nottingham Trent University | 2012

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