Senior Machine Learning Engineer (AI Foundation)

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Senior Machine Learning Engineer (AI Foundation), London Client:
Flo
Location:
London, United Kingdom
Job Category:
Other
EU work permit required: Yes
Job Reference:
96d61b5100cb
Job Views:
5
Posted:
25.06.2025
Expiry Date:
09.08.2025
Job Description: The Job
Our engineers aren’t just building a better product; they’re making the world a better place by improving women’s health. We leverage machine learning and AI to provide accurate cycle predictions and relevant, personalized, medically credible health tips. We are committed to discover and empower our employees to implement brand-new solutions.
Flo is a place for experimentation and implementation opportunities at the senior level. Flo is not just a feature factory; we own value delivery end to end. Flo is a constantly evolving product. New features and technologies are added, hardening development. Our engineers have an average of 10 years of experience, so they can solve ambitious product tasks.
We are looking for a Machine Learning Engineer for the AI foundation team. Solutions the AI team build are rooted in our medical knowledge, technical skills, swift adoption of new technologies such as LLMs, product expertise, and in constant search for better understanding of our customers’ needs. Our responsibilities are broadly divided across several critical areas:
LLM research: We research LLM models in terms of medical accuracy, safety, technical characteristics and so on
LLM implementation and support: We build and oversee LLM-based products at Flo, which is a new and existing area of development
Menstrual cycle modelling, finding patterns and regularities in symptoms, symptoms prediction, utilising data from wearable devices, and more
Your Experience
Must have:
6+ years of professional experience in the field of machine learning
Solid understanding of classical ML algorithms
Good understanding of statistical concepts, particularly in the context of A/B testing
Familiarity with fundamental concepts of deep learning and transformer-based architectures
Strong programming and algorithmic skills
Experience working with big data technologies
Nice to have:
Strong communication and ownership skills
Experience in recommendations and search, chatbot development
Experience in systems design with the ability to architect and explain machine learning pipelines
Data visualisation skills
Experience in the med-tech domain
What you'll be doing
You'll be responsible for:
Exploratory data analysis
Development of ML algorithms
Deployment to millions of users
End-to-end ownership of ML problems
#LI-Hybrid #LI-LM12
Salary Range - gross per month: €6,000—€9,400 EUR
Ranges may vary depending on your skills, competencies and experience.
Reward People perform better when they’re happy, paid well, looked after and supported.
On top of competitive salaries, Flo's employees have access to:
A flexible working environment with the opportunity to come into the office and work from home
Company equity grants through Flo’s Employee Share Option Plan (ESOP)
Paid holiday and sick leave
Fully paid female health and sick leave, in addition to holiday and regular sick leave
Workations - an opportunity to work abroad for two months a year
Six months paid maternity leave, and one months paid paternity leave (subject to qualifying conditions) inclusive of same-sex and adoptive parents
Career growth, progression, and learning development resources
Annual salary reviews
Unlimited free premium Flo subscriptions
A whole host of other benefits (health/pension/social schemes)

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