Senior Data Scientist I

RX Brasil; Greater London; Hybrid; GBP 65,000 - 95,000; Full time

Job summary

Elsevier is seeking a Senior Data Scientist I to design and deliver advanced AI, NLP, and generative AI solutions that power knowledge discovery and decision support. You will work with large scientific datasets, apply modern ML and LLM-based approaches, and collaborate across teams to deploy production-ready solutions.

The role emphasizes building scalable AI workflows, evaluating models, and mentoring others, with a hybrid London/Oxford pattern and a strong focus on impact for researchers and

Qualifications

• Experience designing and delivering AI/ML, NLP, and generative AI solutions for knowledge discovery.
• Strong Python skills and solid ML fundamentals.
• Experience with RAG, semantic/vector/hybrid search and evaluation methods.

Responsibilities

• Design, build, and evaluate AI/ML, NLP, and generative AI solutions for scientific knowledge discovery.
• Develop LLM-powered workflows and RAG systems for search, summarization, QA, and insight generation.
• Build retrieval, ranking, recommendation, and decision-support features using modern AI techniques.
• Integrate scientific metadata and ontologies into scalable AI workflows.
• Establish evaluation, experimentation, and monitoring for quality and reliability.
• Write production-ready Python code and collaborate with engineers to deploy at scale.
• Provide technical leadership and mentoring to support delivery and improvement.

Skills

Data science

AI/ML

NLP

Information retrieval

LLMs

Python

Experimentation

Cloud platforms

Education

Bachelor's degree in a quantitative field

Tools

ML frameworks

TensorFlow/PyTorch

RAG tooling

Vector search

LLM platforms

Job description

Senior Data Scientist I## This site, powered by Workday, uses cookies that are essential for the site to work. The site may also use additional cookies to analyze site statistics and optimize the site experience. Click “Accept Cookies” to accept all additional cookies or click “Decline” to reject all non-essential cookies. For more information, see our Cookie Notice.# Elsevier Jobs## Senior Data Scientist IApply: London Wall: Full time: Posted Today: R113837**Senior Data Scientist, London/Oxford hybrid working.***Are you excited by the opportunity to design advanced AI systems that accelerate scientific discovery and unlock knowledge at scale?**Would you enjoy building production-ready solutions using machine learning, NLP, and generative AI to create meaningful impact for researchers and professionals?***About our Team**Our global team support products education electronic health records that introduce students to digital charting and prepare them to document care in today’s modern clinical environment. We have a very stable product that we’ve worked to get to and strive to maintain. Our team values trust, respect, collaboration, agility, and quality.**About the Role**In this role, you will design and deliver advanced AI, NLP, and generative AI solutions that power knowledge discovery and decision support. You will work with complex scientific data and apply modern machine learning and LLM-based approaches to build scalable, reliable systems with real user impact. You will also collaborate across teams to turn complex challenges into practical, production-ready solutions.**Responsibilities*** Design, build, and evaluate advanced AI/ML, NLP, and generative AI solutions for scientific and knowledge-discovery applications.* Develop LLM-powered workflows and retrieval-augmented generation (RAG) systems for search, summarization, question answering, and evidence-grounded insight generation.* Build intelligent retrieval, ranking, recommendation, and decision-support capabilities using modern orchestration frameworks and AI techniques.* Integrate scientific metadata, ontologies, taxonomies, and knowledge assets into scalable AI workflows.* Establish robust evaluation, experimentation, and monitoring frameworks to ensure quality, trust, performance, and reliability.* Write production-ready Python code and partner with engineering teams to deploy solutions at scale.* Provide technical leadership and mentoring to support high-quality delivery and continuous improvement.**Requirements*** Practical experience in data science, AI, machine learning, NLP, information retrieval, or a related quantitative field.* Strong hands-on experience building AI/ML, NLP, generative AI, and retrieval-based systems in applied or product-focused environments.* Expertise working with LLMs, including fine-tuning, prompt engineering, grounding strategies, and responsible AI practices.* Strong Python skills and solid machine learning fundamentals.* Experience working with large-scale text or content-rich datasets and modern AI/ML frameworks.* Experience with RAG, semantic, vector, or hybrid search, along with experimentation and evaluation approaches that measure user impact.* Familiarity with cloud platforms and modern software engineering practices.* Strong communication, collaboration, and mentoring skills.**Work in a Way That Works for You**We promote a healthy work/life balance across the organisation. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance, and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.**Working Pattern**Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive**About the Business**A global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society. Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world's grand challenges and a more sustainable future. We harness innovative technologies to support science and healthcare to partner for a better world.**We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click** **here** **to access benefits specific to your location.**We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.**Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams** **here****.**Please read our Candidate Privacy Policy.We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.