Help & Supportcareers@gravityer.com
AI is analyzing your overall score…
Identifying your key strengths…
Evaluating your skill match against the job requirements…
Assessing your cultural and operational fit
Machine Learning Engineer / Data Scientist
Versatile data scientist and software engineer using over a decade of expertise to deliver machine learning based solutions to international clients. Strong quantitative and communication skills along with good software design and modern MLOps techniques allow me to research, develop and deliver robust production models and pipelines. I have a company through which I offer my services and can provide teams led by me to work on machine learning and data projects. See https://ohollowayconsulting.com for details. For an in-depth resume please see my Toptal talent profile: https://www.toptal.com/resume/oliver-holloway • Data Science/ML – Python, pandas, NumPy, scikit-learn, Tensorflow 2, MLFlow, Dash, Ray, Airflow, Numba, Hugging Face, MCP • Backend/Infra - MongoDB, PostgreSQL, Flask, REST, RabbitMQ, Git, GCP, Docker, Kubernetes • Other – TypeScript, Angular, Sass, Bootstrap, JavaScript, C#, NodeJS, C++, Excel/VBA, Linux, React.js, AWS, Firebase, Keras, marshmallow, matplotlib, spaCy, NLTK, SQLAlchemy
University of Oxford
MSc, Mathematics and the Foundations of Computer Science
January 1, 2008 – January 1, 2009
Leibniz Universität Hannover
Mathematics (Erasmus year)
January 1, 2005 – January 1, 2006
University of Bristol
BSc, Mathematics with Study in Continental Europe
January 1, 2003 – January 1, 2007
O Holloway Consulting Limited
Director
April 1, 2019 – Present
Toptal
Data Scientist / Technical Lead / Machine Learning Engineer
June 1, 2016 – Present
Goldman Sachs
Associate Developer
November 1, 2013 – June 1, 2016
London, United Kingdom
RBS Markets & International Banking
Research Analytics Developer
November 1, 2011 – October 1, 2013
London, United Kingdom
RBS Global Banking & Markets
RBS Technology Graduate Analyst
September 1, 2010 – September 1, 2012
Microsoft
Inside Licensing Specialist
May 1, 2010 – August 1, 2010
Oxford10 - Young Alumni Network
March 1, 2013 – Present
Oxford10 (oxford10.com) is the London-based alumni network for people who have graduated from Oxford in the last decade. Our aim is to extend the university experience by ten years, through chances to meet like-minded people; discover interesting places; and hear from a range of high profile speakers.
Machine Learning
Coursera Course Certificates
June 24, 2026 – Present
Cultural Fit Analysis
The candidate has a diverse professional background, including freelance consulting and roles in finance, demonstrating adaptability. The 'Oxford10' project indicates community involvement. However, the project descriptions are primarily technical, and there is limited information to assess cultural fit beyond professional adaptability and technical leadership. The focus on smaller businesses in consulting might indicate a preference for agile, less bureaucratic environments, which may or may not align with a specific company culture.
Soft Skills & Operational Fit
The candidate's experience as a Director and Technical Lead suggests strong leadership, project management, and client interaction skills. The freelance nature of work indicates adaptability and self-management. However, specific details on collaboration within larger teams or handling complex organizational dynamics are not explicitly provided.