Lead Applied AI Research Scientist

JPMorganChase; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Job summary

JPMorganChase is seeking an Applied AI Research Scientist – Sr. Associate to advance the LLM stack within the GTAR center. You will drive applied research, train and deploy foundation models, and collaborate with teammates to solve real business challenges.

You will document findings for publications and internal use, protect intellectual property, and present results to stakeholders and at conferences. Strong PhD or Master’s with several years of research and software experience, plus

Qualifications

• Ph.D. in computer science or related field or Master’s with equivalent applied research and engineering experience +4 years in industry.
• Ability to build and ship AI/ML systems, ideally involving LLMs.
• Proficiency in Python and modern ML frameworks such as PyTorch or JAX.
• Hands‑on experience across the LLM lifecycle including fine-tuning, prompting, serving, and evaluation.
• Experience in scientific technical writing.
• Strong communication skills and ability to present findings to a non-technical audience.
• Experience in model training and adaptation (e.g., supervised fine-tuning, RLHF, preference optimization, distillation).
• Experience in inference and serving (e.g., test-time compute, quantization, KV-cache).
• Experience in agentic systems (planning, tool calling, retrieval-augmented generation).
• Experience in evaluation and faithfulness (benchmarks, hallucination detection).
• Experience in explainability and reliability (attribution, drift monitoring).

Responsibilities

• Advance applied research across the LLM stack, including model training and inference.
• Design, build, and release foundation-model and agentic systems for production workflows.
• Develop methods to evaluate, verify, and monitor models and agents.
• Enhance capabilities in explainability, reliability, and interpretability.
• Collaborate with researchers to document findings in papers and presentations.
• Contribute to intellectual property by protecting generated IP.
• Work with cross-functional teams to integrate AI solutions into business processes.
• Present research outcomes to stakeholders and at industry conferences.
• Stay current with AI/ML advancements.
• Foster a culture of innovation and continuous improvement within the team.

Skills

Communication skills

Technical writing

LLM experience

Research collaboration

Education

Ph.D. in computer science or related field

Master's with applied research + 4+ years

Tools

Python

PyTorch

JAX

Job description

Job Description

Join us to push the boundaries of AI and contribute to groundbreaking discoveries in a collaborative, fast-paced environment. You'll have the opportunity to advance your career by working with the Global Technology Applied Research (GTAR) center, where your expertise will help develop next-generation solutions for our clients and businesses. We value your creativity, technical skills, and passion for research, offering you a platform to make a real difference. At JPMorganChase, you'll be part of a diverse team that values innovation and supports your growth. Your work will directly impact the firm's technology and intellectual property.

Job Description

Join us to push the boundaries of AI and contribute to groundbreaking discoveries in a collaborative, fast-paced environment. You'll have the opportunity to advance your career by working with the Global Technology Applied Research (GTAR) center, where your expertise will help develop next-generation solutions for our clients and businesses. We value your creativity, technical skills, and passion for research, offering you a platform to make a real difference. At JPMorganChase, you'll be part of a diverse team that values innovation and supports your growth. Your work will directly impact the firm's technology and intellectual property.

As an Applied AI Research Scientist – Sr. Associate in the Global Technology Applied Research (GTAR) center, you will drive applied research across the LLM stack, including model training, inference, agentic systems, and evaluation methods. You will build and release practical AI systems for our businesses, provide innovative research solutions to internal teams, and contribute to the protection of intellectual property. You'll collaborate with other researchers to document and present your findings, helping shape the future of AI at JPMorganChase. Your role will be central to advancing trustworthy and explainable AI systems within a supportive and innovative team culture.

Job Responsibilities

• Advance applied research across the LLM stack, including model training, adaptation, inference, and agentic systems.
• Design, build, and release foundation-model and agentic systems that support high-value business workflows from prototype to production.
• Develop methods to evaluate, verify, and monitor models and agents, including faithfulness, hallucination detection, and workflow verification.
• Enhance research capabilities in model explainability, reliability, and interpretability.
• Provide innovative research solutions to internal project teams.
• Collaborate with researchers to document findings in scientific papers and present at conferences.
• Contribute to intellectual property by pursuing necessary protections for generated IP.
• Work with cross-functional teams to integrate AI solutions into business processes.
• Present research outcomes to stakeholders and at industry conferences.
• Stay current with advancements in AI and machine learning.
• Foster a culture of innovation and continuous improvement within the team.

Required Qualifications, Capabilities, And Skills

• Ph.D. in computer science, machine learning, or related fields, plus at least 2 years of experience (industry or postdoc), or a Master's degree with equivalent applied research and engineering experience plus 4 years of industry experience.
• Ability to build and ship AI/ML systems, ideally involving LLMs.
• Proficiency in Python and modern ML frameworks such as PyTorch or JAX.
• Hands‑on experience across the LLM lifecycle, including fine-tuning, prompting, serving, and evaluation.
• Experience in scientific technical writing.
• Strong communication skills and ability to present findings to a non-technical audience.
• Experience in model training and adaptation (e.g., supervised fine-tuning, RLHF, preference optimization, distillation, parameter‑efficient methods).
• Experience in inference and serving (e.g., test-time compute, speculative decoding, quantization, KV-cache management).
• Experience in agentic systems (e.g., planning, tool and function calling, retrieval‑augmented generation, orchestration).
• Experience in evaluation and faithfulness (e.g., benchmarks, LLM‑as‑judge, hallucination and groundedness detection, workflow verification).
• Experience in explainability and reliability (e.g., attribution and interpretability, uncertainty and calibration, monitoring for drift and failure).

Preferred Qualifications, Capabilities, And Skills

• Strong record of impact through shipped AI systems or publications at top venues (such as NeurIPS, ICML, ICLR, ACL, EMNLP).
• Experience with foundation models, including tabular foundation models.
• No prior familiarity with finance or financial use cases required.

ABOUT US

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

About The Team

Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we're setting our businesses, clients, customers and employees up for success.