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0Data Engineer
Launched an optimization algorithm (two-staged simulated base branch and bound) to reduce investment and charging costs of a transport operation with an electric boat and photovoltaic charging stations (paper under review by a journal).
0Data Engineer
Maintained several systems including a retail business management system (C, Winforms, Crystal Reports), restaurant meal reservation system (ASP.NET, C), golf course booking system (ASP.NET, VB), and a loan calculation system (ASP.NET, VB).
2Data Analyst
Reviewed class assignments, practical workshops, and gave feedback to students.
3Data Scientist
Designed and developed a web application to treat and track the evolution of Parkinsons patients using REST API, AWS EC2, and PostgreSQL. Such a platform allowed the patients to play games using speech, typing, and facial expressions.
3Data Scientist
Elaborated and edited training material and procedures for the operation and maintenance facilities in the electric and instrumentation fields for an oil and gas company in Kuwait.
0Data Engineer
Created a layered data lake with AWS (Glue, S3).
0Data Engineer
Designed, built and maintained a GCP-hosted and Bigquery-enabled data warehouse to support complex business reports, accounting reports, and ad hoc analysis for a fintech company for underbanked and SMB in Latin America. The data warehouse enabled a holistic view of a range of data sources (i.e. MySQL, Google Datastore, Google Cloud Logging, CSV files, spreadsheets, Neo4JAPI). Leveraged the power of GCP (Cloud functions, DataflowApache Beam, Dataprep, Bigquery, Google Cloud Storage, PubSub ), Data Build Tool (DBT), Javascript and Python.
0Data Engineer
Designed and implemented a layered data lake using AWS S3 and the AWS Glue data catalog and implementing data processing jobs to move data between data lake zones using Python, AWS Glue, and Apache Spark.
1Machine Learning Engineer
Implemented a prepaid SIM card fraud predictive model using R and SQL for a communication and entertainment group in Portugal.
3Data Scientist
Set up an ETL used to pull 100,000 images serialized as TensorFlow TF.Records in AWS S3 to be consumed by a computer vision object detection model trained on TensorFlows object detection API with SSD-Mobilnet as backbone and deployed it via AWS Lambda with AWS API Gateway. The solution included a PythonStreamlit web application to simplify image uploads.
1Machine Learning Engineer
Created panels to help with data visualization and decision-making.
3Data Scientist
Supported production and maintenance departments with logistics, data analysis, physical analysis, among others.
0Data Engineer
Developed and tested delta live tables that created data stages and allowed to test custom solutions such as Auto Loader, and CDC.
0Data Engineer
Enabled scalable and semi-automatic Spark optimization of datasets by profiling the application to identify areas for optimization, optimized data structures and algorithms, used automated optimization tools like WHAT TOOLS, employed dynamic resource allocation, and monitored and tuned the application to ensure it was performing as expected.
0Data Engineer
Conducted code reviews using Azure DevOps and GitHub to approve modifications in environment branches that enabled the deployment of the apps to Production.
1Machine Learning Engineer
Worked on numerous projects using 3D sensors, machine learning, and computer vision.
2Data Analyst
Created dashboards to track issues, metrics and KPIs using Power BI and Google Data Studio to enable improvement opportunities identification for the Operation Management team. Performed post-mortem analysis about different issues in the last year and their impact on the GMV (Gross Merchandise Value) to visualize the GMV Saved, GMV Lost and Balance through time and type of issues.
0Data Engineer
Assisted a chatbot that scanned through hundreds of documents to provide fast answers to internal financial institution employees based on Dialog Flow and Elasticsearch.
1Machine Learning Engineer
Extracted data from multiple sensors (GPS, IMU, Cameras) using Python to identify certain lanes of interest and potential infractors within the lanes, improving buses’ geolocation on a transportation company application.
2Data Analyst
Designed an internal communications channel for sharing personalized Tableau dashboards with different departments and internal clients.
0Data Engineer
• Led projects of two main areas : Actuarial Sciences and Analytics. • Implemented ensembled models to develop new prototypes for marketing intelligence strategies oriented to specific areas such as : real estate, clothes. • Performed actuarial calculation of debt instrument prices in terms of actuarial hypothesis using the internal API and national legal regulations e.g. NIC 19 . Direct communication with clients. UNIVERSIDAD DE LOS ANDES Graduate TA April 2017 - June 2017 • Prepared and lectured business students, and graded different types of assignments and exams.
0Data Engineer
Implemented ensembled models to develop new prototypes for marketing intelligence strategies oriented to specific areas such as: real estate, clothes.
3Data Scientist
Built an ETL workflow for API Events using AWS Kinesis, Glue and AWS Batch for a MaaS platform.
2Data Analyst
Created and automated statistical analyzes based on public data using MS Excel for scientific publications and states official economic statistics reports.
0Data Engineer
Developed data warehouse and data lake creations using AWS S3, Athena, AWS Glue, EMR, redshift, and Lambda for faster data processing and dashboards generation, enabling better insights for decision making stakeholders.
0Data Engineer
Wrote a Python script to incrementally ingest data from Postgres to Snowflake using Pandas, SQLAlchemy and Snowflake’s Python connector.
1Machine Learning Engineer
Created an image retrieval engine by fine-tuning a CLIP-like contrastive-learning model with 200 million parameters using HuggingFace and Pytorch. A Vision Transformer encoded the vision, and a RoBERTa encoded the text. The app took either a text or an image as input, and it used an approximate neighbor search to identify and select the most similar images.
0Data Engineer
Created tables on AWS Athena for data analysts to write queries for metrics dashboards.
1Machine Learning Engineer
Conducted Calculus and Algebra online tutoring sessions for students from North America.
0Data Engineer
Built a new SQL Server database to replace an underperforming legacy database connected to an upgraded Intranet system that managed daily work, internal communications, and third-party vendors.
1Machine Learning Engineer
Taught classes for big data, artificial intelligence, data science, data engineering, software development, business intelligence, among others.
0Data Engineer
Migrated a Data Mesh architecture to Airflow in Kubernetes using Spark, predefined Jinja templates, and YAML files, improving the observability and reliability of company ETLs.
3Data Scientist
Developed forecasting models, which considers US load (trucking) market variables data stored in thousands of lanes within a graph, that serve as inputs to reinforcement learning model strategies to improve the outcomes of an US fleet management platform. Managed a better fit in data and reduced training time from 8 hours to 2 hours.
1Machine Learning Engineer
Carried out a NLP classification project to detect fake news based on headlines. Worked on the preprocessing and organization of data (words), fine tuning a distilbert-base-uncased Huggingface model, setting up an adversarial classifier model to detect new incoming data distributions using Amazon SNS to notify the team when there could be a problem with the model.
5Analytics Engineer
Automated and integrated a data pipeline using Python Jupiter.
1Machine Learning Engineer
Clustered employees from a company by using an unsupervised method Scikit-Learn.
0Data Engineer
Built ETL process on Hadoop and Microsoft Azure using Hive, Spark, Python, Java, and Scala.
0Data Engineer
Monitored and administered the Metabase (BI Tool) app for the company.
2Data Analyst
Forecasted revenue and profitability for different advertising campaigns.
0Data Engineer
Interacted with customers to collect requirements for personalized projects within the business analysis domain.
0Data Engineer
Developed, maintained and supported the main monolithic system in PHP in the education industry for a SaaS School and College management system startup.
2Data Analyst
Built ETLs processes using SAS and SQL to feed the email marketing optimization process.
0Data Engineer
Built a CICD pipeline to create and deploy a Docker image.
0Data Engineer
Built a tool to extract data from Mercadolibre API using Python and Pandas to compute summary statistics and identify best selling products.
3Data Scientist
Led the creation of the Analytics Team of The Cocktail Latin America.
0Data Engineer
Used Lambda functions triggered by AWS SES to automatically store the attached files from emails and store the information in the company’s data lake for future consumption.
1Machine Learning Engineer
Implemented API endpoints using Django REST framework with its required database models and unit tests to manage tax and supply chain applications for a tax management company, and SupplyChainWarehouses a logistics company.
0Data Engineer
Implemented CICD and MLOps pipelines with GitHub Actions, MLflow, and Delta Lake on existing social media projects to enable faster delivery of features into production and code collaboration. Trained peers on how to develop and maintain new pipelines.
1Machine Learning Engineer
Coordinated an infrastructure migration and code refactoring of from PySpark to
1Machine Learning Engineer
Designed an origin-destination (OD) matrix of Bogota’s bus rapid transit system by detecting behavioral patterns from data gathered from smart cards and using Python, Pandas, and Numpy to automate the process, decreasing the execution time from one month to one day, and improving the computational time by 80% for the most important transit company in Bogota.
2Data Analyst
Performed ad hoc studies, B2C database exploration, and exploratory data analysis for business opportunities discovery using MS SQL Server and MS Office to support different internal areas of the telecommunications company.
0Data Engineer
Build required infrastructure for optimal extraction, transformation and loading of data from various data sources using AWS.
0Data Engineer
Created and automated dashboards to monitor KPIs for the different business units using SAP suite (analytics cloud and HANA) and Power BI.
1Machine Learning Engineer
Designed a feature on the platform using FastAPI, Vue JS, AWS Lambda to manage applicants per job requirements, offers or clients.
2Data Analyst
Developed and maintained SAS routines to analyze data generated from marketing campaigns, whose output supported strategic decisions.
0Data Engineer
Generated an endpoint to ingest invoices images and applied corresponding data preprocessing and classification to return a JSON with selected data using the Python API Framework FastAPI.
2Data Analyst
Extracted data through ETLs and stored it in on-premises Data Warehouses and cloud Data Lakes while wrangling it with Azure Synapse and Apache Spark.
0Data Engineer
Carried out Advanced Analytics solutions (customer segmentation, forecasting, etc.) for the creation of KPIs, helping to evaluate the best marketing campaigns within a specific period for a big mall in Chile.
0Data Engineer
Developed resource management policies for multiple clusters in Hadoop using YARN to store and process Big Data at Hive, aiming to reduce the budget required for the company to mantain the availability of all datasources owned by different teams across the company.
0Data Engineer
Designed and developed a data warehouse using state of the art cloud technologies such as AWS S3 and Snowflake.
2Data Analyst
Checked the estimated costs of offers and projects’ orders, and controlled the actual costs during their execution.
0Data Engineer
Taught introductory physics and programming (BashShell + Python) classes to first year students.
0Data Engineer
Migrated complex pipelines from Matillion using technologies such as Kotlin and Spark.
0Data Engineer
Extracted valuable business insights from sales and discounting data and actively participated in strategic decisions that sought to maximize company revenue and the number of product categories sold.
2Data Analyst
Defined key metrics to assess the performance of different aspects of the business.
0Data Engineer
Designed tables and visualizations in Power BI to track KPIs and enable insight generation on current and historical state of the public infrastructure sector (e.g. budget increases, participant companiescompetitors, market shares per country, and projects per companies).
1Machine Learning Engineer
Provided assistance to students, and managed laboratory equipment.
2Data Analyst
Designed data models used in BI tools.
2Data Analyst
Supported daily Scrums meetings using Kanban Board on Jira.
1Machine Learning Engineer
Implemented hands-on laboratory practices for metal and plastic manufacturing and the use of machines like lathe and milling machines.
3Data Scientist
Extracted and transformed unstructured credit study information in HTML format using Python and loaded it into structured databases in the Hadoop Ecosystem using SQL and Apache Impala.
1Machine Learning Engineer
Created a set of MLOps good practices to optimize models development. Applied rigorous procedures, model monitoring techniques, ML tracking systems and software engineering practices using Jenkins, GKE, GCP Dataproc & Spark, Airflow, Restful API services to generate a seamless integration of ML models with the rest of the fintech’s infrastructure.
1Machine Learning Engineer
Created forecast models that successfully provided incoming client interactions by establishing stationary time series predictions using AI (Metas prophet) to improve planning for business operations and determine the precise number of employee hours to be allotted for the various incoming clients in order to enhance decision-making.
2Data Analyst
Built Post Mortem Power BI dashboards, based on analysis of the number of canceled orders, orders cancellation rate, integration errors, and orders stores and brands statuses. Gathered information from Snowflake and Redash using SQL to perform Post Mortem analysis to determine the GMV Saved, GMV Lost and Balance.
2Data Analyst
Monitored IT systems implementation, integration, and testing delivering timely KPIreports.
4MLOps
that later was replaced by a solution designed on Oracle ODI. Ive participated designing the solution,
1Machine Learning Engineer
Created content to learn data engineering fundamentals and best practices for a Massive Online Open Course (MOOC). Built modules for data lake architecture and data processing using Spark and GCS, advanced data transformation workflows for data warehouses using dbt and BigQuery, and advanced data pipeline authoring using Airflow, Cloud Composer and Great Expectations.
2Data Analyst
Developed a Python script that scrapes data from Wikipedia, helping enriched datasets that feed a Dashboard based on the US tech labor market.
2Data Analyst
Performed data analysis using SQL, Python, PowerBI, and Airflow to generate insight to enable the creation of personalized offers according to customer life stages (marriage, parenthood, vacations periods, accidents & bonuses).
4MLOps
Acting mainly as an integration architect inside one of the great retailers on Brazil, my main tasks were
1Machine Learning Engineer
Created an image similarity tool to find similar images in terms of semantic content, using NoSQL data models and novel computer vision techniques and algorithms in AWS.
1Machine Learning Engineer
Used DistilBERT model from Hugging Face for prediction
0Data Engineer
Led the development of BI reports using SQL Server Integration Services to extract, transform and load data from MS SQL databases, and Tableau to visualize insights for the logistics business of an IT and Services company that distributes credit cards for banks, and official learning exams packing for Colombia’s government.
0Data Engineer
Developed several applications and architectures for data mapping, extraction, loading and management using Talend, Python, AWS, Athena, and Tableau for different clients in a BI brazilian consulting company.
0Data Engineer
Contributed to full-stack development of ASP.NET web applications using C and Angular.
1Machine Learning Engineer
Built time series models using the Modeltime framework to predict demand for services of a utility’s shared services center to enable optimization of staffing based on peak demand times.
2Data Analyst
Built periodic simulations and statistical models of the market and macroeconomic conditions using VBA to analyze the impact on the different assets of the portfolios.
3Data Scientist
Performed exploratory data analysis (EDA) on BigQuery using SQL on a data warehouse with over 7 tables and over 40 million rows to determine data relations, data traceability over the data generation process and address data inconsistency (no documentation nor a definition of relational database schema was previously available). Analyzed descriptive transactional behavior across business processes to determine and give recommendations to decrease transactional churn rates through the business cycle. Data and results were stored in Google Cloud Storage.
0Data Engineer
Performed data gathering, preprocessing, and exploration for the development of a Machine Learning and NLP model to predict the risk of child sexual abuse online as part of a project financed by the End Violence Against Children international fund granted by the Tech Coalition.
1Machine Learning Engineer
Build and deploy a Similarity Search Engine
1Machine Learning Engineer
Extracted and transformed data from the company’s custom data lake, and multiple SQL databases into a S3 bucket to cross this data and feed it to a machine learning pipeline.
1Machine Learning Engineer
Developed a classification pipeline using Vertex AI for a customer’s digital wallet platform, to predict potential churn with a highly imbalanced dataset, enabling churn risk reduction by 10%.
0Data Engineer
Created cross-selling and marketplace dashboards for area heads to make data-driven business decisions.
1Machine Learning Engineer
Development of administrators control panel and users dashboard were they could see their test results
0Data Engineer
Worked with remote videocamaras to gather demographic insights related to audience metrics.
1Machine Learning Engineer
Integrated an industrial design software with an ERP system for a leading commercial shelving manufacturer in Latin America, using pandas.
0Data Engineer
Migrated from Lambda architecture to Kappa architecture using real-time extraction. Started using Kafka records as the main source of truth.
1Machine Learning Engineer
Designed and developed SQL ETL pipelines orchestrated in Python as input for tree based Scikit-Learn, LightGBM and XGBoost machine learning models to predict credit scores for corporate clients.
2Data Analyst
Established and implemented rules and best practices in Domo to ensure highest levels of data quality and security, enhancing data governance through the company.
2Data Analyst
Directed senior students research projects developing creative ideas for nowadays issues.