About Us

Hormona is a data-driven women’s health company on a mission to revolutionize female health. Our award-winning app and world-first rapid hormone test form the only comprehensive, personalized platform that helps women understand and optimize their hormonal well-being. Hormona’s innovative test delivers quantitative hormone results in just 15 minutes, enabling real-time hormone tracking like never before. Combined with cycle tracking, symptom logging, personalized insights, and expert-backed recommendations, Hormona empowers women with instant, data-driven insights to take full control of their hormonal health.

The Role

We're seeking a Machine Learning Engineer / Data Scientist to lead our ML initiatives from ideation to production. You’ll design, train, and deploy models that power our at-home hormone test kits, predict symptoms and periods, and personalize the user experience inside our app. You will own the full ML workflow and deliver accurate, explainable, production-ready solutions for women’s health.

Key Responsibilities

• Design, train, deploy, and maintain ML models integrated into our mobile app
• Develop and train computer vision and object detection models for hormone test kits
• Build and train data-driven predictive models for symptoms, periods, and cycle insights
• Develop LLM applications and RAG pipelines
• Design experiments, validate approaches, and analyze results
• Collaborate with engineering, product, and science teams to translate insights into features
• Establish data pipelines, evaluation frameworks, and production monitoring
• Make pragmatic decisions between experimental approaches and scalable production solutions in a fast-paced startup environment

What You Bring

• 4+ years of hands-on experience in machine learning and software development, with models deployed to production
• MSc in Computer Science, Biomedical Data Science, Biostatistics, or related fields
• Strong proficiency in Python (pandas, scikit-learn, FastAPI), SQL, and data warehouse architecture
• Experience training computer vision and object detection models
• Experience working with LLM APIs (OpenAI, Gemini, etc.) and building RAG architectures
• Strong statistical foundation and understanding of software design principles for maintainable, scalable code
• Advanced image processing expertise
• Experience with Git, cloud platforms (preferably Google Cloud), and remote-first collaboration
• Fluent English

Who You Are

You’re a connector at heart — someone who loves bringing people together and building relationships. You combine creativity with commercial thinking: you can dream up unforgettable community experiences while also finding the partners and sponsors who help make them happen. You’re resourceful, proactive, and thrive on creating impact in a way that’s both meaningful and cost-efficient.

Not Your Typical 9–5

This isn’t a standard job. At Hormona, we’re looking for someone with a unicorn mentality—creative, adaptable, and energized by challenges. You’ll thrive in a fast-moving environment, wear many hats, and help us push boundaries as we shape the future of female health.

What we offer you

😊 A friendly, curious, and international working environment with a small, ambitious team

⏰ Flexible working opportunities

🤝 Impact the future of the company

💼 Office space in Stockholm

🌎 Fun meet-ups with the whole team around Europe

⭐️ Play a big role in our mission to improve the future of female health

🌱 Growth opportunities

💰 Competitive salary with the opportunity for options

Ready to help millions of women take control of their hormones?