Pura

Senior Data Engineer

Dutch Engineer

I can write blog posts, LinkedIn posts, demos, or share advice about your data or machine learning infrastructure.

Founder

EcZachly Inc

Instructor and Lead Teacher Assistant

Zwift

Build long-term roadmaps for machine learning platform and code best practices for the data science team
Orchestrated the implementation of DBT to build data lineage and shorten debugging time by 30%
Deployed XGBoost models to identify customers who will might or not subscribe in free trials. 
Lead a team to provide the best short-term and long-term solutions to reduce service downtime by 50%
Own e-commerce datasets to lower handle data quality, data contracts, and resolve pipelines downtime
Tools: AWS, Kafka, Python, Docker, Kubernetes, Scala, Spark, SQL, Airflow, Jenkins,  DBT

Senior Data and ML Platform Engineer

Clinical Trial Media

Documented technical specifications of workflows to be presented to stakeholders and executive team
Automated and optimized existing workflows using Prefect and dbt to adhere to best practices
Tools: DBT, Prefect, Azure, Azure Data Factory, Python, SQL, Tableau Server, Docker

Qumulo

Lead migration of on-premise pipelines to cloud capable of handling 210+ GB per day
Produce key metrics to counsel sales and engineering and drive product feature decisions
Integrate linters, tests, and CICD to improve Data Science code quality 
Tools: AWS, Redshift, S3, Postgresql, Pyspark, Fargate, Python, Gitlab CICD, SQL, MongoDB, Tableau

Data Scientist

Blueprint Technologies

Created 30,000 customers’ metric sheets that calculated employees behavior for 1.5 months before and 1.5 months after covid and presented to the c-executive suite of the F500 company 
Developed daily pipelines with >500 TB that build employee behavior metric sheets on request
Productionalize Decision Tree and Logistic Regression to prioritize likely buyers
Optimize SQL and PowerShell scripts to reduce running script from 3 days to 15 minutes.

Tools: Azure Databricks, Python, Plotly, PowerShell, C#, COSMOS, SQL

Data Engineer

Redapt Inc

Migrating Hadoop cluster on VMs to Google Cloud Platform's Dataproc cluster
Importing, cleaning, and visualizing data in Power BI dashboards
Building a storage infrastructure system to identify frequent patterns and errors 
Incorporating Machine Learning algorithms to recommend new items for over a million items and for several thousands of customers. 
Tools: Hadoop, Kafka, Airflow, Spark, Power BI, Azure Databricks, Azure ML Studio, Azure Blob Storage

Apex Learning

Build a python script to obtain Zendesk's data via its RESTful API for marketing reports
Redesigned monthly and yearly reports by incorporating Tableau Software to evaluate tutors’ performance 
Implement Salesforce.com to create an easily accessible school’s credit acceptance database for marketing campaigns 
Support middle and high school students’ through the Apex Learning Virtual School curriculum

Online Tutoring and Data Analysis

Projects

ILest: Ionic Liquid estimation Tool
Team project, Implemented LASSO, SVR, and MLP-Regressor on 10,000 data points to estimate the desired properties of ionic liquid binary mixtures for electric battery applications
Tools: scikit-learn, Pandas, RDKit, Matplotlib

Data-Driven Design of Perovskite
Team Project, Carried out LASSO, and supervised neural networks on a reduced data set to identify the optimal combination of elements in the hybrid organic perovskites (crystals)
Tools: scikit-learn, Pandas, RDKit, Matplotlib

Stack Overflow: Suggest a Tag for My Post Please 
Queried 150k posts and users details to determine tags needed based upon a posts' body or score.
Tools: PySpark, Neo4j, Plotly, Python, Cypher, SQL

How Much Will Your Videogame Sell For? 
Web scraping video game tweets and statistics from VGChartz to predict their unit sales using machine learning
Tools: BeautifulSoup, Matploblib, multiprocessing, requests, plotly

Twitter Scraping Tool
Web-scraped old tweets from the twitter page to eliminate the usage of the Twitter Official API and decrease the time needed by 60%. Tools: pyquery, requests, datetime

Senior Data & ML Platform Engineer | dutchengineer.substack.com | Host of Ask A Data Mentor Podcast

Built long-term roadmaps for data platform and machine learning platform
Experience in designing, analyzing, and visualizing large (>500 TB) datasets 
Build and manage multiple ETL infrastructures to identify text patterns and detect network and hardware anomalies
Prepare critical metrics to guide product decisions in people, healthcare, computer games, and chemical analytics
Multilingual (Dutch, English, Spanish)

Keywords: Airflow, AWS (Cloudwatch,  ECS, EKS, Fargate, Glue, Redshift, Kinesis, Databricks, Postgresql, S3), Azure (Azure Functions, Azure ML Studio, Databricks, PowerBI, SQL Server), BentoML, C++, Datadog, Docker, ElasticSearch, Flink, Kafka, Keras, Kubernetes, Hive, High Performance Computing, Github Actions, Gitlab CICD,  Pagerduty, PowerBI,  Prefect, Python (DBT, Numpy, Pydantic, Sklearn,Scipy), Pyspark, Neural Network, Natural Language Processing, MLFlow, MongoDB, Recommendations, Sagemaker, Scala, SparkML, SQL, Tableau, Terraform

Sarah Floris, MS

TAG - The Aspen Group

TAG University Learning Concierge 

Studio Three

Studio Experience Lead

Daniels Health

Impacted by December 2023 layoffs. 

* Dynamic and newly created role serving an international employee population of over 500 from US support office
* Provided HR program and project support via executing on assigned tasks ranging from new hire experience and onboarding to administration of leave of absences for employee population (FMLA and personal).
* Drove internal diversity, equity, and belonging (DEI) survey initiative through owning survey configuration and build, launch, communications, respondent support, and internal reporting.
* Owned, supported, and executed departmental and office wide event planning and logistics via vendor sourcing and analysis, contract negotiation, day-of production and support, and administrative tasks throughout. 
* Crafted and delivered internal and external communications such as company-wide announcements as well as new hire communications and Glassdoor responses.

People & Business Support Officer

Impacted by March 2023 layoffs. 

* Converted to FTE and joined newly established People Growth & Impact team which strived "to cultivate an inclusive environment that fosters growth, increases engagement & retention, and levels up performance within our team and in the game."
* Acted as team-wide special projects manager. 
* Revamped new hire experience program by partnering across 11 global teams up to the SVP level to provide company-wide, engaging educational content on a rotating, quarterly basis. 
* Drove and helped deliver 2 internal department training opportunities – via Korn Ferry and Recruiting Toolbox.
* Maintained positive and collaborative vendor relationships with 3 external vendors and participated in renewal and procurement process.

Senior Specialist, People Growth & Impact

* Lead New Hire Experience (onboarding) Programs from start to finish, while partnering with cross functional teams, stakeholders, and SMEs to execute
* Leverage facilitation and presentation skills to deliver high-impact, effective, and engaging on demand learning and growth experiences
* Participate in pre-onboarding activities through communication and scheduling to create a seamless arrival experience
* Track and report on onboarding metrics to measure impact and effectiveness of programs
* Respond to needs of overall New Hire Experience Programs by being main point of contact for all stakeholders and company
* Work collaboratively with People Business Partners, COEs, key internal stakeholders, and external vendors on communications, content creation, and ad-hoc learning programs

Onboarding Specialist

Smokeball - Legal Productivity Software

* Guided clients through first 90 days with custom configuration and implementation of the program including facilitating installation, training, and overall transition and adoption.
* Delivered and lead personal, customized training calls on ad-hoc and ongoing basis
* Handled day-to-day client issues as well as improved software usage and adoption through proactive communication along with maintaining training and reference documentation.
* Facilitated hand-off to Account Managers at end of initial onboarding period.

SpotMe

* Promoted within 12 months of hire date. 
* Assisted in recruiting, interviewing, and onboarding process for two additional Customer Experience Specialists. 
* Continued to deliver multiple, concurrent mobile app projects for Fortune 500 clients and key stakeholders, lead onboarding process for client users, captured client feedback, and collaborated across multiple teams and office locations.

Senior Customer Experience Specialist

* Utilized proprietary CMS to deliver multiple, concurrent mobile app projects to external Fortune 500 clients and key stakeholders. 
* Guided onboarding experience, leading clients through webinar training sessions. 
* Collaborated across multiple domestic offices and global team locations. 
* Captured client requirements, expectations, and feedback to continually improve platform features and technology. 
* Acted as a strategic partner with clients by sharing best practices and guidelines.

Customer Experience Specialist

Cvent

* Promoted to Senior Content Specialist in February 2017. 
* Wrote, edited, and contributed to application content, internal/external documentation, content standards, release communications, and user testing efforts across multiple product-lines. 
* Maintained and drove internal style guide initiative.

Senior Content Specialist

* Wrote, edited, and contributed to application content, internal/external documentation, application standards, release communications, and user testing efforts across multiple product lines.

taplio

The Battle

Sarah Floris, MS

Katharine Donohoe

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