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Daniel Halwell

Daniel Halwell


Senior Scientist



My Portfolio Highlights

My New Project

Dr. Semmelweis and the Discovery of Handwashing

My New Course

Introduction to Python

My New Certification

Data Scientist Associate

Problem-solving virtuoso, decoding complexity with a data-driven approach.

My Work

Take a look at my latest work.


Competition - Dance Party Songs


My Python workspace (copy)


Try out AI


A Comprehensive Guide to Web Scraping with Python using the Request Library | by Code Halwell | Jan, 2024 | Medium


Accessing Snowflake Data Cloud with Python Connector Using an RSA Key | by Code Halwell | Jan, 2024 | Medium


My Certifications

These are the industry credentials that I’ve earned.

Data Scientist


Other Certificates

DataCamp Data Science Associate

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.

AstraZeneca | May 2021 - Present

Senior Scientist


Recipharm | Sep 2016 - May 2021

Analytical Specialist

Perform non-routine analysis and assessment of investigation materials, such as plastic or powder identification. On-site liaison for extractable and leachable (E&L) assessments, providing project management support for E&L studies. Perform and provide technical support in method transfers, method development and validation. Provide technical support for regulatory questions or actions arising from GMP inspections (MHRA & FDA etc).
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Sanofi | Jul 2015 - Sep 2016

Senior Quality Analyst

Senior quality analyst with emphasis on testing metered dose inhaler products. Responsibilities consist of routine testing, non-routine analysis, finished product batch release and CAPA management. Additional experience testing by GC-FID using static headspace. Deputised for line manager to gain additional experience with the day to day running of the team

Sanofi | Sep 2012 - Jul 2015

Quality Control Analyst

Routine testing of nasal spray product. Role includes analysis via HPLC, Infra Red, Titration, Osmolality and thin layer chromatography

Mars Petcare | Jun 2011 - Aug 2011

Summer placement - Research Assistant

Summer project working on a research project for the business. Project scope was to develop Umami gels using MSG and IMP and determine a link between perception of flavour and actual concentration of compounds in the mouth. Experienced gained in sensory analysis using FIZZ software and also analytical techniques such as direct injection mass spectrometry using triple quad mass analyser (MS/MS).

Mars Petcare | Aug 2009 - Aug 2010

Industrial Placement, R&D Scientist

Industrial placement as part of my degree, working in the analytical lab gaining experience using equipment such as LC-MS, GC-MS and GC-FID. Performed organic chemistry research into the chemical interactions during the cooking of foodstuff to increase the formation of key flavour compounds. Assisted in the pilot scale production of food products with new formulations and taken through to sensory trials and interpretation of results

My Education

Take a look at my formal education

MChem, ChemistryLoughborough University | 2012

About Me

Daniel Halwell

I am looking to develop my skills as a data scientist. My background is analytical chemistry with a masters in chemistry focussed around data generation and interpretation. I have developed a real passion for assessing data to solve problems

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