Sophia Carter

Software Engineer - ML & Data - Columbia CS 2026

Computer Science senior at Columbia University with experience spanning backend engineering, data science, and NLP research. Comfortable shipping production APIs, analyzing large datasets, and translating insights into business impact.

Experience

Software Engineer Intern

FinTech Startup · 2025–2025

Developed backend services using Python (FastAPI) to process financial transactions, supporting 10K+ daily users. Designed PostgreSQL schemas and optimized queries, reducing API response latency by ~35%. Built internal analytics dashboards to track user behavior and transaction flows. Collaborated with product and data teams to ship features within agile sprints.

Data Science Intern

Consulting Firm · 2024–2024

Analyzed large datasets (~1M+ rows) using Python (Pandas, NumPy) to identify operational inefficiencies. Built predictive models to forecast demand trends, improving planning accuracy. Created Tableau dashboards for executive-level reporting. Presented insights to stakeholders, influencing business decisions.

Undergraduate Research Assistant

Columbia NLP Lab · 2023–2024

Worked on text classification models using PyTorch + Transformers. Processed multilingual datasets and improved model F1 score by ~9%. Contributed to internal research reports on scalable NLP systems.

Education

Columbia University

B.A. · Computer Science (Minor in Economics) · 2022–2026