Contract Data Scientist with Computer Vision
On site
London, United Kingdom
£ 325 / day
Freelance
02-04-2025
Job Specifications
About Hey Savi
We’re a fully female-founded company on a mission to change the way people search and shop online for fashion…forever! We’re going to spark a new era of fashion discovery, igniting confidence in everybody and every body, and we’ll create a world where fashion confidence starts with “Hey Savi…”.
Hey Savi is at the beginning of an exciting journey and we’re looking for top talent to join our team. Because data, and specifically our data science models, are our IP so you’ll have a major role in shaping the product and experience. Unlike many start-ups we’re very well funded, have a detailed business and financial plan, and are looking for experienced, passionate professionals to join us in creating and scaling a game-changing business.
So if you want a role where you will make a major impact and want to be a part of a team of women building an incredible product and experience for other women, come join us and make the most Savi move of your career!
About The Role
We are looking for an experienced Data Scientist specialising in Computer Vision to work with our Head of Data Science in building the engine that drives our product and experience. The power of data, including Machine Learning and AI, and how to use it effectively and ethically, will shape everything we do now and as we grow, so this is a pivotal role. We're looking for someone with a strong foundation in handling image data, and expertise in object detection and classification. You must have hands-on experience in training, fine-tuning, and evaluating deep learning models. Strong Python programming skills and familiarity with cloud technologies are essential. The role also requires a solid understanding of MLOps best practices, including model deployment, post-deployment monitoring, and managing data/model drift. You should be comfortable collaborating with engineers, optimising computational resources, and ensuring efficient, scalable model serving.
You will be working closely with the full product team including, a top-notch Researcher, stellar Product Designer, highly experienced Product Manager, and visionary Head of Engineering, as well as a world-class Head of Data Science, which this role reports to.
Requirements
Must Haves:
Background
Experience: 3-4 years
Education:
Bachelor’s degree in relevant fields such as mathematics, data science, computer science or statistics
Competencies
Data:
great understanding and experience in handling image data and common analysis, enhancement and transformation techniques to understand limitations and validity of a dataset
Experience with working with large volumes of data
Understanding of data collection and annotation
Experience with image augmentation and transformations
Experience with image enhancements
Computer Vision:
Strong understanding of predictive techniques including neural network and transformer architectures
Experience with self-supervised learning techniques
Understanding of model applications and limitations
Good grasp of underlying concepts and maths behind the ML models
Experience with training and fine-tuning pre-trained models
Strong understanding and hands-on experience with evaluation techniques in object detection and classification
Programming Skills
Language: Python
Frameworks and libraries:
Core python libraries like pandas, numpy, opencv, scikit-learn etc.
Pytorch, Keras, Tensorflow, MMdetection (and other common CV libraries)
Huggingface
Streamlit (or other alternatives)
Cloud Technologies:
AWS
Knowledge of appropriate services within AWS (such as Sagemaker, Lambda, EC2, S3, RDS, DynamoDB and etc)
Understanding on how they can work together in a single pipeline
Experience with building pipelines within AWS for data science projects
Serving ML endpoints
Strong understanding of computational resources and their differences
Understanding of concepts like cost and computational efficiency
Other:
GitHub
Development and Deployment
Good knowledge of best practices in MLOps
Production-level experience: hands-on experience working with ML models in production environments
Experience with following engineering best practices of deploying the models and machine learning pipelines
Experience in working collaboratively with engineers
Understanding and experience in post-deployment techniques:
Knowledge of concepts such as data and model drift
Knowledge of concepts such as feedback loop
Nice to Haves
Background
Education: MSc in relevant fields such as mathematics, data science, computer science or statistics
Competencies
Computer Vision: Ability/experience in customising existing architectures to adapt to a specific use case/overcome model limitations
Complex Competencies
Skills
We know HOW you work is as important as what you work on so we’re looking demonstrable skills and experience with the following competencies and ways of working:
Intellectual Curiosity: Interest in keeping up to date with new techniques and technologies in data science space
Flexible Thinking: Good understanding of experimentation concepts and ability to pivot quickly
Collaboration: Enjoy working in collaborative environment on a single project
Agility: Familiarity with agile working environments and how to leverage them to increase quality and speed and decrease risk for delivery
Independence: Ability to work independently on individual projects
Communication Skills: Active listener who can adjust their communication style to ensure understanding and alignment across a diverse set of people
Presentation Skills: Ability to deliver and present demos that can be easily digested by the wider non-technical audiences to help them understand the value provided and the goals achieved
Organisation: Structured approach to documentation and project work
PLEASE NOTE: If you don’t meet 100% of the criteria but are passionate about our mission and vision and think you can do the job, especially if you have expertise with the complex competencies listed above, we strongly encourage you to apply!
Benefits
Location + Work Style
We’ll all be where we need to be based on what’s happening. We’ll have in-person team sessions (usually once a week) as needed for key activities like planning, strategy, and brainstorming sessions (and some fun!), and remote work the rest of the time to allow for flexibility, work-life balance, and quiet time for deep work.
Hey Savi is based in London and are looking for people in the UK and Europe to join our team. We regret that we can’t hire candidates from other locations or provide Visa sponsorship yet.
Contract Rate
£300-£325 per day
About the Company
Hey Savi is on a mission to change the way people search and shop online, forever. As the ultimate fashion matchmaker, Hey Savi finds you your perfect item or outfit in under 60 seconds by connecting you to the retailers who have it in stock, in your size and at the best price. Know more
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