Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
BusinessAnalyst
Jennifer Haliewicz

Jennifer Haliewicz

Portland,OR

Summary

Experienced Data Scientist specializing in machine learning, NLP, and AI-driven solutions. Skilled in optimizing conversational AI systems and enhancing model performance to improve accuracy and streamline data workflows. Currently pursuing an M.S. in Human Language Technology to further merge technical expertise with real-world applications for scalable impact.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Human Language Technology Intern

XRI Global
10.2024 - Current
  • Led the design and implementation of a PostgreSQL database centralizing NLP datasets, improving access to models for 100+ low-resource languages.
  • Developed interactive dashboards to visualize technology gaps, informing resource allocation strategies and supporting data-driven decisions for improving access to language models and datasets.
  • Spearheaded the development of a responsive web-based UI prototype, collaborating with the development team to deliver a real-time, scalable solution.
  • Technologies: PostgreSQL, Tableau, Replit

Data Analyst, Conversational AI

Verint
11.2022 - 02.2024
  • Enhanced chatbot performance through NLP techniques, reducing customer escalations and improving resolution times by over 25%.
  • Led analytics for major clients, improving key performance metrics like interaction time, resolution speed, and customer satisfaction.
  • Developed and implemented data governance strategies, improving data accuracy and streamlining information retrieval.
  • Technologies: Power BI, SQL, JavaScript, Jira, Asana, Confluence, Excel

Associate Data Analyst

Grin, Inc.
06.2022 - 10.2022
  • Analyzed customer, communication, and marketing data to optimize ad spend, improve engagement, and drive retention.
  • Designed and implemented SQL-based reporting dashboards, reducing manual reporting time by 10+ hours per week.
  • Supported the creation of scalable data pipelines to improve process efficiency and optimize decision-making.
  • Technologies: SQL, BigQuery, Sigma Computing, Salesforce, Google Analytics

Data Analyst & Program Manager

Mountain Measurement, Inc.
09.2019 - 04.2022
  • Developed SQL-driven Tableau dashboards to monitor nursing education program performance across 300+ institutions.
  • Automated reporting workflows, reducing manual data processing time by over 30%.
  • Managed the transition to digital platforms, increasing engagement in continuing education programs by 50%.
  • Technologies: SQL, Tableau, MariaDB, HTML, CSS, Ruby on Rails

Database Coordinator

Portland Metro Chamber
04.2016 - 09.2019
  • Facilitated seamless data migration during system upgrades and transitions.
  • Enhanced data accuracy by implementing efficient database management processes and systems.
  • Managed user access permissions, safeguarding sensitive data from unauthorized personnel or misuse.
  • Reduced data errors through meticulous quality control measures and staff training.
  • Led training sessions for staff members on proper usage of databases and relevant tools, fostering effective collaboration between teams needing access to shared data resources.
  • Improved database usability by creating customized reports for various departments.
  • Assisted in troubleshooting technical issues related to the database environment, minimizing downtime risks.
  • Modified databases to meet needs and goals determined during planning process.
  • Set up and controlled user access levels across databases to protect important data.
  • Set up and controlled user profiles and access levels for each database segment to protect important data.
  • Provided timely support to end-users on any database-related queries or concerns, enhancing user satisfaction levels.
  • Coordinated with cross-functional teams to ensure accurate integration of disparate datasets into a centralized repository.
  • Ensured compliance with relevant regulatory requirements regarding data storage, security, and privacy by staying updated on changing laws and guidelines.
  • Designed custom forms for efficient data collection across different departments within the organization.

Education

Master of Science - Human Language Technology

University of Arizona
Tucson, AZ
07.2025

Bachelor Of Arts - Applied Linguistics

Portland State University
Portland, OR
08.2022

Bachelor of Arts - French Language And Literature, Linguistics

Portland State University
Portland, OR
06.2012

Skills

  • Programming & Data Science: Python (pandas, NumPy, scikit-learn, TensorFlow, PyTorch), SQL, R, Azure Machine Learning
  • Machine Learning & NLP: Supervised/Unsupervised Learning, Deep Learning, Speech Processing, NLP, Model Deployment & Optimization
  • Big Data & Databases: PostgreSQL, BigQuery, NoSQL, Data Warehousing
  • Cloud & Platforms: AWS, Azure (Azure ML, Azure Databricks), Git, Jupyter, Power BI
  • Tools: Tableau, Looker, Sigma Computing, Data Pipelines, MLFlow, Visual Studio Code, PyCharm

Certification

  • Bridging the Digital Divide: Where Do We Stand? Collaborated with XRI Global as a Masters Student at the University of Arizona to assess and map AI models and datasets for low-resource languages, providing a strategic, scalable solution to compile these resources.
  • Developed a comprehensive, data-driven visualization to map gaps in language resource availability, helping guide future research and development efforts for underserved language communities.
  • Microsoft Azure Data Scientist Associate Certificate (In Progress) Building expertise in designing and deploying scalable machine learning solutions on Microsoft Azure.
  • Focus areas include data pipeline design, model training and optimization, and real-time deployment using Azure ML.

Languages

French
Professional Working

Timeline

Human Language Technology Intern

XRI Global
10.2024 - Current

Data Analyst, Conversational AI

Verint
11.2022 - 02.2024

Associate Data Analyst

Grin, Inc.
06.2022 - 10.2022

Data Analyst & Program Manager

Mountain Measurement, Inc.
09.2019 - 04.2022

Database Coordinator

Portland Metro Chamber
04.2016 - 09.2019

Bachelor of Arts - French Language And Literature, Linguistics

Portland State University

Master of Science - Human Language Technology

University of Arizona

Bachelor Of Arts - Applied Linguistics

Portland State University