Lead Data Scientist- HCC

Johnson & Johnson is hiring a Lead Data Scientist- HCC in São Paulo, Brazil. Level rates it ; you can apply on Johnson & Johnson.

Level's read on this job

On Level's scale, this data scientist role is Builds AI ●●●●: the job is building AI systems.
Tools and skills the posting cites include Copilot, NLP and AI safety.
Level classifies it as a lead role.
Level lists 1,800+ other open roles at Johnson & Johnson.
The role was posted in the last few days.

AI in this role

copilot

nlpai-safety

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com.

As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:

Data Analytics & Computational Sciences

Job Sub Function:

Data Science

Job Category:

Scientific/Technology

All Job Posting Locations:

Bogotá, Distrito Capital, Colombia, São Paulo, Brazil

Job Description:

We are currently recruiting for a Lead Data Scientist for our Healthcare Compliance group. This is a hybrid role based in Titusville, NJ, New Brunswick, NJ, Sao Paulo, Brazil and Bogota, Colombia.

Position Summary

The lead data scientist is responsible for designing, developing, and scaling data-driven, AI/ML enabled, solutions that enhance Healthcare Compliance operations globally. The role bridges compliance, analytics, technology, and business teams to identify opportunities, develop innovative solutions, and operationalize digital capabilities that improve monitoring, insights generation, risk management, productivity, and decision-making.

This role serves as a technical lead for advanced analytics, automation, generative AI, Copilot agents, and enterprise AI solutions supporting HCC functions across multiple regions and markets.

Key Responsibilities

Design, develop, validate, and deploy machine learning models to identify potential healthcare compliance risks, anomalies, and emerging patterns.
Apply supervised and unsupervised machine learning techniques, including classification, clustering and anomaly detection to business questions.
Develop statistical and analytical methodologies to support proactive risk monitoring and risk identification.
Build scalable analytical pipelines and workflows using structured and unstructured data sources.
Evaluate model performance and continuously improve models through monitoring, retraining, and validation.
Query and analyze large complex datasets to create reproducible and scalable data science solutions
Develop and deploy Copilot Agents, chatbot solutions, and knowledge retrieval capabilities to improve efficiency and user experience in our program.
Ensure governance standards are incorporated in analytic work.
Partner with governance, compliance, and technology teams to ensure responsible AI adoption and alignment with organizational standards.

Requirements.

Strong proficiency in Data Science, Machine Learning, and Advanced Analytics to develop predictive, operational, and insight-driven solutions.
Strong proficiency in Python or R and SQL, for data extraction, feature engineering, modelling, automation, and analytics development.
Bachelor’s degree in data science, statistics, mathematics, computer science, engineering or related quantitative field with 5 years of relevant experience; OR Masters degree with 3 years of relevant experience.
Experience in developing and deploying ML models using common libraries and frameworks
Experience working with NLP libraries, extracting text from documents (OCR), and generating embeddings for downstream work.
Experience in processing and analyzing large, complex data sets for advanced analytics
Experience in leading analytical projects and influencing cross-functional teams.
Experience with AI, Generative AI, and Copilot technologies with the ability to translate emerging technologies into practical business solutions.

Stakeholder Management & Leadership

Act as a trusted technical advisor to global compliance leaders and business stakeholders.
Lead solution discussions, proof-of-concepts, demonstrations, and technology evaluations.
Translate business requirements into technical solutions and drive execution from concept through deployment.
Mentor team members and promote adoption of modern analytics and AI practices.

Education Qualification:

Bachelor’s degree in data science, statistics, mathematics, computer science, engineering or related quantitative field with 5 years of relevant experience; OR Masters degree with 3 years of relevant experience.

Required Skills:

Preferred Skills:

Advanced Analytics, Business Intelligence (BI), Coaching, Collaboration, Critical Thinking, Data Analysis, Database Management, Data Privacy Standards, Data Reporting, Data Savvy, Data Science, Data Visualization, Econometric Models, Process Improvements, Technical Credibility, Technologically Savvy, Workflow Analysis

How we rate this

Lead Data Scientist- HCC at Johnson & Johnson rates 88 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Lead Data Scientist- HCC is an open job at Johnson & Johnson.
Level rates this role AI Level 4 of 4: Builds AI.
The role is based in São Paulo, Brazil.
The job was posted on October 28, 2026.
Seniority: lead.
Applications are handled by Johnson & Johnson. Apply on Johnson & Johnson

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

NLPAI SafetyCopilot

Also common in data scientist jobs at this level

LLM AWS Spark Deep learning PyTorch RAG

Pay

Typical data scientist job: $165k

This posting doesn't list pay. Use the typical data scientist figure when pay comes up. See data scientist jobs

Questions you could be asked

What NLP problem have you worked on, and how did you measure whether it actually worked?
How do you think about the risk of an AI system in this kind of role failing silently?
What are the limits of Copilot that you've run into, and how did you work around them?
How would you decide a model or AI system is ready to ship?
Tell me about a time a model underperformed in production. How did you find out, and what did you change?

Adapt your resume

List these exact terms on your resume: NLP, AI Safety, and Copilot. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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