Curriculum Vitae
Jennifer Haliewicz
Portland, Oregon · jennifer.haliewicz@gmail.com
Professional Summary
Data Scientist with 3+ years of experience in machine learning, NLP, and AI-driven solutions. Expertise in optimizing conversational AI systems and improving model performance, with a focus on enhancing accuracy and streamlining data workflows.
Pursuing an M.S. in Human Language Technology, combining technical skills with practical applications for scalable impact.
Education
M.S. in Human Language Technology
University of Arizona | Expected Spring 2026
Relevant Coursework: Machine Learning, Advanced Statistical NLP, Data Mining, Deep Learning, Speech Processing, Information Retrieval
B.A. in Applied Linguistics
Portland State University, 2022
B.A. in French Language and Literature
Portland State University, 2012
Technical Skills
Programming & Data Science: Python (pandas, NumPy, scikit-learn, TensorFlow, PyTorch), SQL, R, Azure ML
Machine Learning & NLP: Supervised/Unsupervised Learning, Deep Learning, Speech Processing, NLP, Model Deployment
Big Data & Databases: PostgreSQL, BigQuery, NoSQL
Cloud & Platforms: AWS, Azure, Git, Jupyter, Power BI
Tools: Tableau, Looker, Sigma, MLFlow, Visual Studio Code
Work Experience
Meta (contract with Tundra Technical Solutions) | Data Labeling Analyst II
Feb 2026 - present
- Evaluated AI chatbot responses across utility, linguistic naturalness, coherence, and safety dimensions to contribute to ongoing improvements.
- Performed in-depth quality audits and workflow optimizations, delivering targeted feedback that streamlined processes and refined annotation guidelines.
- Spearheaded linguistics projects using HLT expertise, created targeted error sets, enhanced rating protocols, and developed naturalness guidelines grounded in linguistic theory.
- Partnered with product and engineering teams to iterate on evaluation metrics and guidelines, driving scalable gains in chatbot alignment and performance.
- Uncovered insights from complex edge cases, fueling large-scale AI initiatives with measurable product impact.
NAVEX Global | Customer Service Technician
Nov 2024 – February 2026
XRI Global | Human Language Technology Intern
Oct 2024 – May 2025
Technologies: PostgreSQL, Tableau, Replit, Python, GitHub
- Contributed to the Bridging the Digital Divide project, expanding language technology for low-resource languages.
- Designed and implemented PostgreSQL database schemas to support NLP research and dataset management.
- Structured and annotated linguistic datasets to improve accessibility for underrepresented languages.
- Developed UI prototypes in Replit, enhancing usability and front-end development.
Verint | Data Analyst
Nov 2022 – Feb 2024
Technologies: Power BI, SQL, JavaScript, Jira, Asana, Confluence, Excel
- 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 and customer satisfaction.
- Developed and implemented data governance strategies, improving data accuracy and information retrieval.
Grin, Inc | Associate Data Analyst
Jun 2022 – Oct 2022
Technologies: SQL, BigQuery, Sigma Computing, Salesforce, Google Analytics
- Analyzed customer and marketing data to optimize ad spend and improve engagement.
- Designed SQL-based reporting dashboards, saving 10+ hours of manual reporting weekly.
- Built scalable data pipelines to improve workflow efficiency.
Service and Leadership
Project LEDO | Social Media Volunteer
Feb 2024 – May 2024
Assisted in social media planning, content scheduling, and online engagement.
PDX Dream Team | Co-Manager, Co-Owner, Co-Founder
Sept 2022 – Dec 2025
Founded and manage a development cycling team, focusing on inclusive athlete development, sponsorship management, and season planning.
Portland Bike Polo | Board Member
2019 – 2020 (Board Member) | 2023–2024 (Treasurer)
Provided leadership, fundraising, and event planning for a local sports organization.