At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters.
The PositionThe Engineering - AI Enablement group, within Roche's Computational Sciences Center of Excellence, exists to make AI/ML an everyday utility for the scientists driving drug discovery. As a Senior Machine Learning Engineer, you will build, own, and continuously improve the scalable AI/ML systems, applications, and data infrastructure that unlock the potential of our diverse scientific data, accelerating the discovery and development of life-changing treatments. You will work across a cross-functional ecosystem of computational and research scientists, AI/ML experts, product leaders, and DevOps engineers, spanning the stack to deliver high-impact scientific solutions.
This role is based in Welwyn, with onsite working three days per week. Relocation support is not available.
The Opportunity:
You design, develop, and test robust, scalable, and maintainable AI/ML-facing scientific web applications and backend systems.
You build tools to evaluate AI/ML model performance and establish new ways to understand and measure AI quality.
You partner with product managers and scientists to understand user needs, shape requirements, and translate them into actionable technical specifications and robust architectures.
You develop and maintain data systems for collecting, structuring, and storing diverse scientific data that powers advanced analytics, machine learning, and other data-driven initiatives.
You implement, adopt, and evaluate new AI/ML algorithms and analytical techniques.
You shape how we build contributing to architectural decisions, code reviews, and the evolution of our development processes and tech stack.
You span the stack building, owning, and continuously improving systems, and contributing where needed beyond your core area of expertise.
Who you are:
You bring a strong technical foundation with a Master's or PhD in Computer Science or a related technical field (or equivalent experience) and established professional experience in machine learning engineering.
You have deep ML expertise with expert knowledge of statistics, machine learning theory, and algorithms, and strong proficiency across AI/ML frameworks, libraries, and tools.
You optimise for performance and scale with strong knowledge of ML performance optimization and GPU best practices, and hands-on experience of Kubernetes, relational and NoSQL databases or data lakes, and cloud-native architectures in public clouds (ideally AWS).
You practise engineering excellence applying proven engineering best practices and building trusted partnerships with internal and external collaborators.
You are an excellent communicator and continuous learner who quickly acquires new technologies and languages, and communicates with clarity across scientific, engineering, and product disciplines.
Preferred:
Experience with imaging or biological data and processes.
Experience working with scientists or in a research environment.
Experience with workflow automation, GenAI, and/or agents.
If you want to build the systems that make AI an everyday utility for scientists, and help bring life-changing medicines to patients faster, apply now and join us
Who we are
A healthier future drives us to innovate. Together, more than 100’000 employees across the globe are dedicated to advance science, ensuring everyone has access to healthcare today and for generations to come. Our efforts result in more than 26 million people treated with our medicines and over 30 billion tests conducted using our Diagnostics products. We empower each other to explore new possibilities, foster creativity, and keep our ambitions high, so we can deliver life-changing healthcare solutions that make a global impact.
Let’s build a healthier future, together.
The statements herein are intended to describe the general nature and level of work being performed by employees, and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel so classified. Furthermore, they do not establish a contract for employment and are subject to change at the discretion of Roche Products Ltd. At Roche Products we believe diversity drives innovation and we are committed to building a diverse and flexible working environment. All qualified applicants will receive consideration for employment without regard to race, religion or belief, sex, gender reassignment, sexual orientation, marriage and civil partnership, pregnancy and maternity, disability or age. We recognise the importance of flexible working and will review all applicants’ requests with care. At Roche difference is valued and we are proud to be an equal opportunity employer where you are encouraged to bring your whole self to work.
Skills Required
- Master's or Ph.D. in Computer Science or similar technical field, or equivalent experience
- Established professional experience in machine learning engineering roles
- Strong proficiency with AI/ML frameworks, libraries, and toolsets
- Expert knowledge of statistics, machine learning theory, and algorithms
- Strong knowledge of ML performance optimization and GPU best practices
- Experience with Kubernetes, relational databases, NoSQL databases, or data lakes
- Experience working on cloud-native architectures in public clouds (ideally AWS)
- Proven understanding and application of engineering best practices
- Excellent communication skills and ability to build trusted partnerships
Roche Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Roche and has not been reviewed or approved by Roche.
-
Retirement Support — U.S. materials describe a 401(k) with both matching and an additional company contribution, supported by formal plan documents and true‑up features. This structure is positioned as a standout element of the total package, particularly at Genentech.
-
Leave & Time Off Breadth — Time‑off provisions include substantial vacation, a year‑end shutdown, and a paid six‑week sabbatical after six years. These elements indicate a recharge‑oriented approach within the U.S. offering.
-
Healthcare Strength — Company materials emphasize comprehensive medical, dental, vision, and mental‑health resources alongside well‑being programs. Benefits pages consistently highlight breadth across core health coverage elements.
Roche Insights
What We Do
Roche is a global pioneer in pharmaceuticals and diagnostics focused on advancing science to improve people’s lives. The combined strengths of pharmaceuticals and diagnostics under one roof have made Roche the leader in personalised healthcare – a strategy that aims to fit the right treatment to each patient in the best way possible. Roche is the world’s largest biotech company, with truly differentiated medicines in oncology, immunology, infectious diseases, ophthalmology and diseases of the central nervous system. Roche is also the world leader in in vitro diagnostics and tissue-based cancer diagnostics, and a frontrunner in diabetes management. Founded in 1896, Roche continues to search for better ways to prevent, diagnose and treat diseases and make a sustainable contribution to society. The company also aims to improve patient access to medical innovations by working with all relevant stakeholders. Thirty medicines developed by Roche are included in the World Health Organization Model Lists of Essential Medicines, among them life-saving antibiotics, antimalarials and cancer medicines. Roche has been recognised as the Group Leader in sustainability within the Pharmaceuticals, Biotechnology & Life Sciences Industry ten years in a row by the Dow Jones Sustainability Indices (DJSI).







