I'M Valter Caldeira

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Experienced Lead Data Scientist with a strong track record of delivering AI and ML solutions within the healthcare sector. I specialize in uncovering insights from clinical and operational data through Real World Evidence (RWE), real-time AI algorithms, NLP, and speech processing. My focus is on building scalable, maintainable, and high-performing systems that support improved patient care, drive business decisions, and enhance digital health products. Proven ability to align technical strategy with business goals, working cross-functionally to bring data-driven innovation to life in regulated healthcare environments.

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About Me

AI/ML Lead Data Scientist

Age : 33
Birthday : 4 April 1992
Email : valterjpcaldeira@gmail.com
City : Torres Vedras, Portugal
Hobby : Boardgames

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Projects as Team Leader

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Projects

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Trained People

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Number of Coffees

My Resume

Experience

Lead Data Scientist @BGB Group US

2024 - current

Healthcare AI & NLP:

LLM Development - Working at the intersection of healthcare and large language models (LLMs), focused on developing marketing tools and extracting actionable insights from complex healthcare data.
NLP Pipelines - Designing NLP pipelines, fine-tuning LLMs, and deploying intelligent assistants to support medical content generation, sentiment analysis, and KOL profiling.
Cross-functional Collaboration - Collaborating closely with cross-functional teams to bring AI-powered solutions into healthcare communication strategies.

Lead Data Scientist @Beats Medical

2021 - 2024

Digital Therapy Development:

RWE (Real World Evidence) Get Real World Data - Create RWD based on all the data extracted by the app
TUG (Time Up and GO) - Enable AI/ML to be able to detect duration of TUG on mobile app using only the acceloremeter
System and Method Configured for analysing acoustic parameters of speech to detect, diagnose, predict and/or monitor progression of a condition, disorder or disease - Patent Pending.

I have also developed some Power BI dashboards to help the mobile team debug some of the exercises easily

Lead Data Scientist @Tenthpin

2019 - 2021

Several projects in healthcare:

RWE (Real World Evidence) Platform in Life Science - Create RWE new architecture for supporting all Data Science teams.
RPA with AI/ML Strategy - Enable AI/ML in Automated Processes using UIPtah / Automation Anywhere
Article summarization - Team Leader and Responsible to brainstoming with the client and Scientist that helped to understand the problem.
Invoice Classification – Developer and Responsible to present results to the Client.

I have also developed some Power BI dashboards and also reports in SAP ByDesign Reports

Data Scientist @Novabase GTE

2017 - 2019

Several projects in government:

Smart Search Engine – Team Leader, Responsible for Communication with Client.
Custom Tariff Number Classifier – Team Leader, Responsible for Communication with Client.
Census Accelerator – Team Leader, Developer and Responsible for teaching Python, Data Science and ML to junior members.
Business Insights - Team Leader, Responsible to present the solutuion to the Client and also Developer
English/Portuguese NLP Tool – Team Leader, Developer and Responsible for a inside tool we have created to work with some NLP models.
CAE Classifier – Team Leader, Developer

I have also worked in some workshops to teach the basics about AI to all employees in the company

Java Full-Stack Developer @Novabase Portals

2014 - 2017

Several projects in government (Java, PostgreSQL, OracleDB, SpringMVC, Liferay, REST, SOAP, HTML, CSS, Javascript):

SINERGIC - Sistema Nacional de Informação Cadastral – Team Leader, Full-Stack Java Developer.
DNS.PT – Team Leader, Full-Stack Java Developer.
AT Mozambique – Team Leader, Full-Stack Java Developer.
E360 - Education Portal – Full-Stack Java Developer.
CTT Indicators - FrontEnd Developer

My Skills

Python

95%

NLP / Speech Processing

85%

Machine Learning / AI Algorithms

80%

Realtime Processing

75%

SQL / NoSQL

90%

Power BI

80%

Java

60%

Azure

60%

Key Projects

Article Summarization

Article summarization and insights gathering for Research Company: Python (Keras, TensorFlow, Sklearn, Gensim, Nltk, etc.).

Invoice Error Classification

Deployment of Invoice Classification for a drug company: Python (Pandas, Numpy, Sklearn, Tensorflow).

Custom Tariff Q&A

Create a model to answer to user questions based in the current Q&A: Python (Pandas, BERT, Numpy, NLTK)

Business Website Data Insights

Web Scraping project to gather insights about UK companies using NLP: Python (Selenium, MongoDB Atlas, Flask, Nginx, Sklearn, Gensim, Nltk.).

CAE Classifier

Classify (CAE) activity code based on a description sentence (Portuguese Language): Python (Pandas, Numpy, Sklearn, Gensim).

Census Quality Controller

Using NLP algorithms to help ensure Quality control in Mozambique Census: Python (Pandas, Numpy, Levenshtein distance).

Personal Projects

Dice Geek

Product Detection Demo

Recount

Bits... Please

MusicV

Telma & João

Certifications and Trainning

Microsoft Certified: Azure Fundamentals - 2020 Azure / Cloud Data / Cloud Security / Cloud Services / Cloud Storage / Virtualization

" Earners of the Azure Fundamentals certification have demonstrated foundational level knowledge of cloud services and how those services are provided with Microsoft Azure. "

2nd International Summer School on Deep Learning Deep Learn / University of Genova

" DeepLearn 2018 will be a research training event with a global scope aiming at updating participants about the most recent advances in the critical and fast developing area of deep learning. "

PaaS Summer Camp - 2018 Insight Designer / Oracle Tools / UIPath

" 145 attendees participated in the PaaS Summer Camp VIII from August 27th – 31st 2018 in Lisbon Portugal. My Training track: Innovation - blockchain and robotic process automation "

Oracle Intelligent Chatbots hands-on training Oracle Chatbot

" Hackathon challenge: create a cool chatbot from scratch. 80 min later, an integrated Football fixture and champions app made by a Lisbon partner. Impressive. " by Linus Hakansson

Blog Articles

May, 2022

Redefining Digital Biomarkers

Biomarkers have been crucial in transforming clinical practice in several therapy areas by enabling precision medicine. With the increase in use and popularity of digital devices and health related mobile apps, we are witnessing the emergence of digital biomarkers.