Senior Data Scientist

OSTTRA; City Of London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading data science firm in the City Of London seeks a Machine Learning Engineer specializing in NLP solutions. The role involves designing and deploying advanced NLP models, developing LLM solutions, and collaborating with various stakeholders to enhance the S&P Capital IQ Pro platform. Candidates should have extensive experience in machine learning, deep learning, and Python programming. This full-time position offers a range of benefits and opportunities for professional growth.

Benefits

Health care coverage

Flexible time off

Access to learning resources

Financial wellness programs

Family friendly benefits

Retail discounts

Qualifications

• At least 5 years of professional experience in advanced analytics, data science or machine learning.
• A minimum of 1 year of hands-on experience developing NLP solutions.
• Demonstrated experience with programming languages and frameworks commonly used in machine learning.

Responsibilities

• Design solutions utilizing NLP models including chat assistants and retrieval-augmented generation systems.
• Develop LLM solutions incorporating prompt engineering techniques and model fine-tuning.
• Deploy NLP models ensuring low latency, reliability, and scalability.

Skills

Machine Learning

Deep Learning

Natural Language Processing (NLP)

Python

Education

Degree in Computer Science, Mathematics, Statistics, Engineering or related field

Tools

Machine Learning frameworks

Programming languages

Job description

About the Role :

Grade Level (for internal use) :

10

The Team :

The Capital IQ Solutions Data Science team supports the S&P Capital IQ Pro platform with innovative Data Science and Machine Learning solutions utilizing the most advanced NLP Generative AI models. This role presents a unique opportunity for hands‑on ML / NLP / Gen AI / LLM scientists and engineers to advance to the next step in their career journey and apply their technical expertise in NLP deep learning Gen AI and LLMs to drive business value for multiple stakeholders while conducting cutting‑edge applied research in LLMs Gen AI and related areas.

Responsibilities and Impact :

• Design solutions utilizing natural language processing (NLP) models including chat assistants and retrieval‑augmented generation systems.
• Develop Large Language Model (LLM) solutions that incorporate prompt engineering techniques, model fine‑tuning and alignment strategies.
• Evaluate NLP models using both human‑supported and synthetic evaluation methods and metrics.
• Deploy NLP models while ensuring low latency, reliability and scalability.
• Explore new methods for prompt engineering, model fine‑tuning optimization, document embeddings and data chunking.
• Collaborate closely with product teams, business stakeholders and engineers to ensure seamless integration of NLP models into production systems.
• Troubleshoot complex issues related to machine learning model development and data pipelines, developing innovative solutions as needed.
• Actively research and identify the latest relevant methods and technologies in the field.

Basic Required Qualifications :

• A degree in Computer Science, Mathematics, Statistics, Engineering or a related field.
• A solid understanding of Machine Learning and Deep Learning methods along with their mathematical foundations.
• At least 5 years of professional experience in advanced analytics, data science or machine learning.
• A minimum of 1 year of hands‑on experience developing NLP solutions.
• Demonstrated experience with programming languages and frameworks commonly used in machine learning.
• Mastery of Python with the ability to write robust, high‑standard and testable code.

Additional Preferred Qualifications :

• Over 1 year of experience implementing information retrieval systems.
• Experience contributing to open‑source initiatives, research projects or participation in data science competitions.
• Publications related to machine learning or deep learning.
• Ability to work effectively in a team environment.
• Capability to report progress and summarize issues for a less technical audience.
• A curious and open‑minded attitude toward new approaches and methodologies.

Benefits :

• Health & Wellness: Health care coverage designed for the mind and body.
• Flexible Downtime: Generous time off helps keep you energized for your work.
• Continuous Learning: Access a wealth of resources to grow your career and learn valuable new skills.
• Invest in Your Future: Secure your financial future through competitive pay, retirement planning, a continuing education program with a company‑matched student loan contribution and financial wellness programs.
• Family Friendly Perks: Benefits for your partners and little ones too with some best‑in‑class benefits for families.
• Beyond the Basics: From retail discounts to referral incentive awards, small perks can make a big difference.

Equal Opportunity Employer

S&P Global is an equal opportunity employer and all qualified candidates will receive consideration for employment without regard to race/ethnicity, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, military veteran status, unemployment status or any other status protected by law. Only electronic job submissions will be considered for employment.

If you need an accommodation during the application process due to a disability, please send an email to : and your request will be forwarded to the appropriate person.

Employment Type: Full‑Time