Willian Lima

Experience

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  Neki IT

  May 2019 - Oct 2019

  Internship

  - Development and maintenance of web and desktop applications, using JAVA EE with Maven,PrimeFaces, Hibernate, JAX-RS and EJB.- Databases: Oracle and Postgresql.- Servers: TomCat, JBoss or WildFly.- For SVN and GIT version control.- JIRA’s project management.

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  I-Hunter Tecnologia da Informação

  Oct 2019 - Jun 2021

  - Elaboration of Machine Learning solutions, performing all stages of development of a machinelearning model, such as data acquisition, cleaning and labeling; training, optimization andvalidation of models.- Responsible for developing and making available Machine Learning models as an API. Use ofthird-party Machine Learning APIs for troubleshooting.- Creation of models in several areas of artificial intelligence, such as:· Named Entity Recognition (NER);· Word embedding;· Classification of texts;· Use of services available on Amazon Recognition;· Image recognition;Image recognition;· OCR; Show less - Development and maintenance of web applications using React.js and PHP.- Elaboration of Machine Learning solutions, performing all stages of development of a machinelearning model, such as data acquisition, cleaning and labeling; training, optimization andvalidation of models. Responsible for developing and making available Machine Learningmodels.- Creation of models in several areas of artificial intelligence, such as:- Named Entity Recognition (NER);- Word embedding;- Classification of texts;- Use of services available on Amazon Recognition;- Image recognition;Image recognition; Show less

  • Data Scientist

    Oct 2020 - Jun 2021

  • Internship in Data Science

    Feb 2020 - Oct 2020

  • Estagiário de desenvolvimento

    Oct 2019 - Feb 2020
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  HVAR Consulting

  Jun 2021 - Jan 2022

  Data Scientist/Machine Learning Engineer

  - Elaboration of Machine Learning solutions, using various resources of the GCP cloud.- Responsible for data cleaning and labeling; model training, optimization and validation; andelaboration of solutions for missing data problems.- Creation of models in several areas of artificial intelligence, using state-of-the-art tools, such as:· Recognition of named entities;· Speech-to-text;· Voice Activity Detection

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  Solvimm

  May 2022 - Jul 2022

  Data Engineer

  - Develop service-oriented applications;- Build applications in Python and/or Spark;- Use mathematical/computational models and statistical analysis to Problem solving; Researchnew tools and/or technologies from the Marketplace.

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  Equifax I BoaVista

  Sept 2022 - now

  Principais atividades e responsabilidades:- Desenvolvimento de soluções de engenharia de dados e analytics utilizando GCP.- Preparação e transformação de dados para modelagem preditiva e prescritiva;- Desenvolvimento de análise exploratória de dados;- Criação e desenvolvimento da arquitetura de dados para optimização de ETLs a partir de uma ampla variedade de fontes de dados, utilziando BigQuery, DataFlow, Airflow e DBT;- Harmonizar as necessidades dos cientistas de dados e as soluções de engenharia de dados. Show less

  • Senior Data Engineer/Analytics Engineer

    Jul 2024 - now

  • Data Engineer / Analytics Engineer

    Sept 2022 - Aug 2024