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

American Family Insurance

Designer dedicated to a brand new scrum team, influencing the way UX is done at AmFam through process shifts and design language system updates, as well as accessibility advocacy. Enriched the experience of MyAmFam customer accounts through improving notifications, program enrollment, and onboarding. Led a design sprint (workshop) on hard stops for all of retention, pioneering the workshop format and spreading it throughout the organization using the aforementioned one as a case study.

UX Designer

iHeartMedia

Primary designer for two teams, creating interfaces and designing interactions for internal software experiences and owning the design language system. My first project has been redoing how advertising orders are searched for; not only did I replicate the existing experience, I improved it by adding a query builder and simplifying the method for searching while adding a lot of functionality in an intuitive, aesthetically pleasing package that follows the iHeartMedia Design Language System. This design is based on several rounds of usability testing, including 5-second tests, guerilla tests, and large-scale usability studies a la Steve Krug. 
For the aforementioned design language system, I am spearheading the tokenization of our color themes and developing a darkmode while also being our primary accessibility advocate. This work will create a universal method to seamlessly swap between dark, light, and accessibility palettes on any iHeartMedia product without redesigning anything; we'll just flip a switch and the color palettes will change like magic. 

For examples of work, please send me a message as my work may deal with sensitive client information.

The Bellingham Makerspace

I consulted with Bellingham Makerspace during a tumultuous time to save it from closing through fundraising, community relationships, and representing the organization in external meetings and on social media. I also assisted in a redesign and simplification of the website, ensuring relevant information was always at the forefront. 

- Maintained and updated homepage for the Makerspace, ensuring relevant content was always present at the forefront.
- Maintained connections between Makerspace and like-minded community organizations as a founding representative of inspirED, a group dedicated to building community among various non-scholastic educational institutions, such as museums, summer camps, and community education programs.
- Created and provided feedback on marketing material, both print and digital, including flyers, event invitations, event promotional content (social media posts), revised grant letters, and Mailchimp emails.
- Administered social media and other digital marketing and relationships including, Instagram, Facebook (group and page), Twitter, Mailchimp, WordPress, digital ads through local newspaper and other local publications.

Digital Marketing & Design Consultant

Realmax Inc

As the sole member of the UX team, I took my role of user advocate very seriously and provided input on all aspects of company hardware and software. I also managed the company web presence, including the website and social media, and created new organizational practices such as formalizing the sales funnel. 

- Implemented UX research practices, performing iterative user testing, reporting on results, and teaching other staff how to perform their own research and act on findings.
- Recommended ergonomic updates to hardware products, assisting in prototyping and advocating for users at every turn.
- Selected to translate assigned elementary project goals for large events (conventions) facing a short execution window and delivered innovative, beautiful designs on budget and on deadline.
- Created the Customer Sales Funnel, customer relations, and Customer Reporting Tracking documentation/methodologies.
- Prepared weekly marketing analytics (Google analytics) reports. 
- Executed complete web presence facelift, administering the result, including the website.
- Administered social media including Instagram, Twitter, Mailchimp, WordPress LinkedIn; administered other marketing relationships including local technical organizations, conventions etc. 
- Staffed tables at conferences of all sizes, forming key relationships with industry partners.

Product Usability and Marketing Mangager

The Foundry, Bellingham's Makerspace

I volunteered with the Makerspace as a manager of both their digital systems and volunteer base, overhauling both in order to increase ease of use and improve volunteer training and retention. I accomplished this through a deep reexamination and redesign of their web presence and branding, internal systems, and by instituting a formal, regular volunteer training. 

- Redesigned website flow and visuals to simplify user interactions and ensure relevant information was easy to find, resulting in a large decrease in phone calls asking for information. 
- Created full digital brand identity, including font, color, and document templates based on logo and industry best practices.
- Instituted check-in forms that were both simple to use yet effective at gathering relevant information.
- Managed organization’s volunteer base and served as primary point of contact for all volunteers and external organizations.  
- Functioned as a liaison between Board of Directors and the volunteer base including reporting on behalf of the volunteers.
- Overhauled volunteer acquisition and training resulting in 3x the retention and better-trained volunteers.
- Created and documented anti-discrimination and Diversity & Inclusion policies, new safety and training protocols.

Shop & Systems Coordinator (Volunteer)

Wildcat Software (ACU)

I managed a team of 5 developers and was the UX professional, instituting our UI/UX practices while being the strongest user advocate. I also led the company in formalizing our agile practices (based on Scrum and Kanban), all the while serving as the link between clients and my development team, translating client requirements into development goals. The team was a disparate group of part-timers, as we were all working while also studying full time, so I created communication methods to ensure project success and got experience with working remotely. 

- Created personas for projects, ensuring developers would keep user goals in mind during development.
- Implemented weekly User Experience testing sessions with walk-in participants.
- Taught developers how to iterate designs based on research findings.     
- Managed team of 5 developers in a company of 13 individuals.  Oversaw HR tasks, including reviews and hiring, user testing, client prospecting, and contacting. 
- Scheduled project meetings on behalf of multiple stakeholders, including project inception/monthly updates.
- Managed multiple calendars, coordinated and negotiated for time slots with busy team members 
- Implemented Agile Methodology practices (Scrum and Kanban)
- Identified dynamic queues of administrative and/or project tasks/steps organized based on priority and deadlines, turning client requirements into digestible steps for developers to accomplish by a set deadline.
- Identified and tracked details of multiple projects with varying completion dates
- Instituted daily and weekly reporting methods and organized client reporting, and created monthly status reports for the projects my team worked on.

Senior Project Manager

USAA

I worked on two projects while at USAA, one as a full member of the design team and one intern project (linked below). Though I can't go into specifics on the former, I performed as a full member of the design team, interfacing with development and business teams to gather requirements and planning the decision flow for the project together, then separately created UX personas to base mobile and web designs in multiple iterations that were tested externally and iterated on all summer. 

- Solicited project requirements from business and tech stakeholders and turned them into actionable design goals with a vision (and visual) to each.
- Identified and tracked detail of multiple projects with varying completion dates.
- Participated as a full member of an Agile-run design team (custom Scrum).
- Created preliminary designs for company web pages and apps, evolved from user stories based on aforementioned requirements.
- Performed remote user testing on designs and iterated work based on findings.
- Generated project designs through full HCI life cycle, from initial decision mapping through whiteboarding to iterative designs and landing on initial prototype.

Creative Design Intern

Abilene Christian University

Resident Assistant

ACU Maker Lab

Maker Assistant

Friends of ACU Library

Student Administrative Assistant

I'm a queer and nonbinary Ecuadorian-American with ADHD who is passionate about exploring where technology and business meet. I believe there is so much potential we have yet to unlock at the intersection of web tech, marketing, and haptic/ergonomic interfaces, and I am dedicated to making sure no one falls off the bridges we build between these. The key things I offer are adaptability and flexibility in evolving roles with an enthusiasm for inclusive design. I excel at cross-functional communication and translating client requirements and business communication into actionable directives for teams, as well as user advocacy in any role. I'm excited about using technology to better lives because I'm dedicated to developing and exposing tools that people can utilize to achieve their dreams.

taplio

The Battle

Sarah Floris, MS

Robin Menzi

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