Fortaleza, CE
BRAZIL
+55 85 98508-7417
CONTACT
wellingtondantas.almeida
GMAIL.COM
Wellington Dantas de Almeida
Data Scientist | AI & Machine Learning
About Me
DEDICATED PROFESSIONAL
Welcome to my website.
I am driven by innovation. I have been working in technology since 2012. Currently, I focus on adding value to products through Artificial Intelligence, developing and implementing solutions that optimize processes, generate strategic insights, and drive results.
I am pursuing a PhD in Artificial Intelligence. I have a Master's degree and a Bachelor's degree in Engineering with a focus on Machine Learning. I am certified in AI by Huawei and have over five years of practical experience in developing and deploying data-based solutions. I have worked with clients in the financial, education, healthcare, food, and other sectors.
Technical Skills
Languages: Python, MATLAB, SQL, NoSQL (MongoDB) and others.
Cloud Computing: Google Cloud Platform (GCP) and Amazon Web Services (AWS).
Machine Learning & AI:
- Development and maintenance of classification models, from exploratory analysis to deployment.
- Libraries: NumPy, Pandas, Scikit-Learn, TensorFlow, Streamlit, Pyspark, and many others.
- Model lifecycle management and efficient deployment with Docker and Kubernetes.
Generative AI and Intelligent Agents: Application of Generative AI (IAgen) and Intelligent Agents in developing advanced natural language processing solutions and intelligent chatbots.
Applications: Implementation of LLM and proprietary models for various applications, including sentiment analysis, root cause identification, diagnostics, churn prediction and financial impact, reducing costs and increasing profitability for clients.
Big Data & Data Engineering: Manipulation and analysis of large volumes of structured, semi-structured, and unstructured data.
Tools & Technologies: ElasticSearch, Kubernetes, LangChain and leading LLM models.
Differentiators and Soft Skills
- Curious and constantly updated with trends in AI and data science.
- Strong collaborative spirit and ability to work in multidisciplinary teams.
- Clear and objective communication, facilitating the translation of business challenges into data-based solutions.
- Analytical and results-oriented profile, always seeking to optimize costs and maximize positive impacts.
- Research profile.
Below see my current level of interest:
DATA SCIENCE
MACHINE LEARNING
GENERATIVE AI
TECHNOLOGY
Portfolio
PERSONAL PROJECTS
I have several projects that can be viewed on github. Below I present some of the main data science projects developed with a focus on practical solutions and real business impact.
Sentiment Analysis with Diagnosis and Root Cause
Advanced sentiment analysis system that not only classifies opinions but also automatically identifies the root cause of problems and generates detailed diagnostics. Uses Natural Language Processing (NLP) techniques and Machine Learning models to extract actionable insights from large volumes of unstructured textual data, enabling companies to identify and resolve problems proactively.
Technologies: Python, Deep Learning, NLP, Machine Learning, LLMs.
Intelligent Agents for Automation and Decision Making
Development of AI agents capable of automating complex tasks and assisting in strategic decision-making. The agents use Generative AI techniques and autonomous reasoning to process information, execute actions, and provide data-driven recommendations. Applied in analytical processes, data auditing, diagnostics, revenue assurance, and operations optimization.
Technologies: Generative AI, Intelligent Agents, LLMs, Process Automation, RAG, CrewAI, AgnoAI.
Computer Vision for Vegetation and Pole Inspection
Computer vision solution for automated inspection of electrical infrastructure, using advanced models to detect and classify invasive vegetation, identify damage to power poles, and assess safety conditions. Significantly reduces the time and cost of manual inspections, increasing operational efficiency and preventing power supply failures.
Technologies: Computer Vision, Deep Learning, TensorFlow/PyTorch, Image Processing, Object Detection
APIs for Data Extraction and Processing
Development of robust and scalable APIs for extraction, processing, and transformation of data from multiple sources. The APIs integrate web scraping techniques, document processing, ETL, and data validation, enabling systems to consume structured information efficiently and reliably.
Technologies: Python, Flask/FastAPI, Web Scraping, ETL, Data Processing, RESTful APIs, Docker
Experience
PROFESSIONAL WORK
DATA SCIENTIST | TEAM LEAD | AI & MACHINE LEARNING
CELLERE
JULY 2025 - PRESENT
Technical leadership of the Data Science team, developing innovative solutions in Computer Vision, Data Extraction, and Natural Language Processing for the energy and telecommunications sectors.
- Technical leadership of the Data Science team.
- Development of Computer Vision, Data Extraction, and Natural Language Processing solutions.
- Development of AI agents focused on revenue assurance and automation of analytical processes.
- Manipulation and analysis of large volumes of structured and unstructured data.
- Projects for the energy and telecommunications sectors.
DATA SCIENTIST | MACHINE LEARNING | PYTHON
POSTMETRIA
APRIL 2021 - JULY 2025
Innovative company in the artificial intelligence field that transforms unstructured data into information with high technical and quantitative value. Technical leadership in research and development of innovative data-based products.
- Technical leadership in research and development of innovative data-based products.
- Implementation of Machine Learning models for various applications, including sentiment analysis, root cause identification, diagnostics, churn prediction and financial impact, reducing costs and increasing profitability for clients.
- Application of Generative AI (IAgen) models and Intelligent Agents in developing advanced natural language processing solutions.
- Development of proprietary artificial intelligence models, working in all stages of the data pipeline, from ingestion and processing to modeling and deployment.
- Manipulation and analysis of large volumes of data in structured, semi-structured, and unstructured formats.
- Effective communication of insights and results to strategic stakeholders, facilitating the adoption of AI-based solutions.
- Work with clients in the financial, education, healthcare, and food sectors.
ARTIFICIAL INTELLIGENCE RESEARCHER
ARTIFICIAL INTELLIGENCE LABORATORY
2018 - 2024
Building training and prediction models with Machine Learning. Mainly applying classification with rejection option to improve accuracy results. Presenting results in a comprehensible way and with scientific rigor.
- Programming: Python and Matlab.
- Data analysis and Data visualization.
- Application in Artificial Intelligence Algorithms.
- Development of reports with technical rigor.
FREELANCE : DATA SCIENCE / WEB DEVELOPER / CLOUD AWS
WELLINGTONDANTAS.COM.BR
JULY 2012 - PRESENT
Autonomous activity of developing data visualization projects, predictions, and Web development.
- Data Visualization with Python or Power BI and Machine Learning.
- Use of S3, EC2, ROUTE53, RDS, Sagemaker from AWS.
- SQL: MySQL, SQLite, PostgreSQL.
- Hosting Server Maintenance.
- Development of Websites, Blogs and Portals.
- Languages: PHP, JS, HTML, CSS & WORDPRESS.
WEB MASTER/WEB DEVELOPER
FORÇA DIGITAL - TRUPPEONE
JULY 2012 - JULY 2015
Agency specialized in communication. An agency that works to provide digital solutions for companies in the areas of creation and optimization of websites for search engines, social media and digital marketing. I worked both in web systems development as well as in monitoring and statistical performance analysis
- Development of Websites, Blogs and Portals.
- Hosting Server Maintenance.
- Verification and analysis of performance metrics: Google Analytics.
OTHER EXPERIENCES
VARIOUS PLACES
SEE BELOW
I had experiences as an Engineering Intern, Computer Science Teacher, Scientific Initiation Student and Family Business Administrator. Experiences that added organization, communication and business vision.
- Engineering Intern - TRE/CE - (1.3 years).
- Computer Science Teacher - CENTEC - (0.5 years).
- Scientific Initiation Student - IFCE - (3 years).
- Company Administrator - TRANSFRETAR - (6 years).
Education
ACADEMIC CAREER
PhD IN ARTIFICIAL INTELLIGENCE
UFC - FEDERAL UNIVERSITY OF CEARÁ
2021 - IN PROGRESS
Academic PhD in teleinformatics engineering with a focus on artificial intelligence applied to data communications.
MASTER'S IN ARTIFICIAL INTELLIGENCE
IFCE - FEDERAL INSTITUTE OF CEARÁ
2018 - 2021
Academic master's degree in telecommunications engineering with a focus on artificial intelligence applied to data communications presents concepts and techniques to train qualified professionals for the most diverse areas of knowledge, whether for the job market or for scientific research.
BACHELOR'S IN TELECOMMUNICATIONS ENGINEERING
IFCE - FEDERAL INSTITUTE OF CEARÁ
2013 - 2018
The Telecommunications Engineering course incorporates new digital technologies that unite the areas of telecommunications and computing. The course aims to prepare professionals for planning digital and analog systems, optical systems, satellite and microwave systems, telemedicine systems, distance education systems, computing systems, among others, in addition to providing an environment conducive to entrepreneurship and research and innovation through business incubators and their research institutes.
TECHNICAL PROFESSIONAL IN COMPUTER SCIENCE
PROFESSIONAL SCHOOL
2010 - 2013
The technical course in computer science offered by this institution is focused on information technology, with more emphasis on program development and computer networks. In addition, it introduces a knowledge methodology in other areas, such as: computer support, database administration and IT management. It also aims to train committed, ethical and innovative professionals.