Analyst - Data Science

Description - ExternalAt American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career.Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.How will you make an impact in this role?This Position is in GSG Advanced Analytics team as part of GSG MIS COE, is looking for full time candidates as Data Science Analysts. The Advanced Analytics team works across multiple Data Science/Machine Learning portfolio of projects across GSG organization across multiple areas of Servicing.Understand the overall business perspective and help conceptualize the business problem into a Data Science/ML roadmapHave a research bend of mind and read/engage/apply new techniques and algorithms in the field to generate efficiencies/process improvements.Rigorous testing of algorithms as per business norms and delivering significant working leverage over status quo and generate value for the business.Capability of writing, debugging and compiling codes in multiple Machine Learning environment and understanding of Python stack is necessaryResearch focus on problem solving through NLP(Natural Language Processing) is critical.Clear application on performance testing and validation framework of machine learning modelsUnderstand and deploy mathematical foundations of cutting edge NLP techniques on varied sources of dataWillingness to derive insights from terabyte sized data and capability to design scalable solutions is paramountMinimum QualificationsProven experience of applying using Machine Learning techniques like Regression, Classification, Supervised or Unsupervised Recommenders, Deep Learning etc.Ability to work in cross functional teamsExcellent data wrangling and visualization skillsHands on knowledge of SQL is expectedA research mindset with a zeal to experiment new algorithms is expectedPreferred Qualifications:Master’s in a quantitative field (e.g., Finance, Engineering, Mathematics, Statistics Computer Science or Economics) from a top institute.A set of high impact research papers on applied NLP/ Deep Learning/ GenAIPrior experience working with Transformers/LSTMs/CNNs preferredWorking knowledge of finetuning Large Language Models(LLMs) is a plusDeep knowledge of Statistics and Maths and ability to dissect problems from the first principle. Exposure to fields like Linear Algebra, Bayesian Statistics, Group theory is desirableComplete grip on Python environment and libraries (pandas, numpy, nltk, statsmodels, gensim, pyspark, spacy, transformers), Deep learning expertise is preferred and any of Tensorflow/Torch is preferred.  Compliance LanguageWe back our colleagues and their loved ones with benefits and programs that support their holistic well-being. That means we prioritize their physical, financial, and mental health through each stage of life. Benefits include:Competitive base salaries Bonus incentives Support for financial-well-being and retirement Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location) Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need Generous paid parental leave policies (depending on your location) Free access to global on-site wellness centers staffed with nurses and doctors (depending on location) Free and confidential counseling support through our Healthy Minds program Career development and training opportunitiesAmerican Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law.  Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.