Senior Principal AI/ML Engineer

GSK is a global leader in pharmaceuticals andhealthcare, with a relentless commitment to advancing healthcarefor the betterment of humanity. Our mission is to help peoplearound the world do more, feel better, and live longer. We achievethis by researching, developing, and providing innovative medicinesand vaccines. Our dedication to scientific excellence and ethicalpractices guides everything we do. R&D at GSK is highlydata-driven, and were applying AI/ML and data science to generatenew insights, enable analytics, gain efficiencies and automation.This role is based in an AI/ML team that is already working onprojects involving Generative AI, Information Retrieval, NLP,agentic application development and data science, and has wonawards and recognition for its work. The teams future projects willbe in diverse areas, such as regulatory, clinical, legal and HR.Versatility is key, with an ability to quickly understand domaindata and requirements and translate them into solutions. You willinteract with architects, software and data engineers, modelers,data scientists, other AI/ML engineers, product owners as well asother team members in Clinical Solutions and R&D. You willactively participate in creating technical solutions, designs,implementations and participate in the relentless improvement ofR&D Tech systems in alignment with agile and DevOps principles.Were looking for demonstrable expertise across a selection of thefollowing key competencies: Generative AI and agentic applicationdevelopment, model building, training and evaluation, naturallanguage processing, classification problems and softwaredevelopment. You should also be versed in agile ways of working,source control and the Azure cloud. In this role you will Youllhave the opportunity to work on a mixture of the following: *Generative AI o Design and develop production grade RAG basedagentic applications. o LLM fine-tuning, including preparation oftraining sets from internal data o Evaluating use-case specificsmall/large LMs * AI/ML o NLP: Named Entity Recognition across avariety of unstructured data. o Evaluating and training BERT-likemodels such as GLiNER, NuNER for NER tasks. Analysing trade-offsbetween these models and LLMs for NLP tasks. o RelationshipExtraction: Evaluating different models for use-case specific RE,such as ATG. * Data Science: Data clustering algorithms, featureengineering * Evaluate and integrate new technologies and models. *Cross-team collaboration, identifying innovations and architectingsolutions. * Provide leadership and technical direction to variousbusiness units and partners. Why you? Qualifications & Skills:We are looking for professionals with these required skills toachieve our goals: * Bachelors degree in computer science *Extensive experience working in AI/ML * Generative AI: Demonstrableexperience of RAG, including chunking strategies, vectorising andindexing data, retrieval strategies and reranking, promptingstrategies, function calling. Our current tech-stack is OpenAI,LangChain, Azure AI, Python, pg_vector, Sinequa. Experience ofmulti-agent frameworks (LangGraph, Autogen etc.) would be a plus,as would experience of multimodal LLMs (like GPT4 Omni, Qwen-vl,DocOwl etc.) for understanding complex documents and images. *AI/ML: Hands on experience with training and evaluating BERT-likemodels in real-world applications, especially in NLP orclassification problems. * Hands on experience with ML tools likeTensorFlow, PyTorch etc. * Experience with data science librariessuch as NLTK, Scikit-learn, SciPy, (Sci)SpaCy etc. * Excellentproblem-solving and programming skills in Python * Excellentcommunication skills Preferred Qualifications & Skills: If youhave the following characteristics, it would be a plus: * Mastersor PhD in Computer Science * Some experience with MLOps would bevery beneficial. * Experience with building search applicationsusing Azure Search, Sinequa, Elastic or anything Lucene-based wouldcome in handy but is not necessary. * Familiarity with Azure cloud(AKS, Azure AI, ADF, Document Intelligence etc.), though youll workwith experts to gain this skill as well. * Experience in training,evaluating and hosting open source LLMs would be a major benefit.Closing Date for Applications: Wednesday 12th March 2025 (COB)Please take a copy of the Job Description, as this will not beavailable post closure of the advert. When applying for this role,please use the cover letter of the online application or your CV todescribe how you meet the competencies for this role, as outlinedin the job requirements above. The information that you haveprovided in your cover letter and CV will be used to assess yourapplication. J-18808-Ljbffr