Zach Sickles
AI Engineer · Software Developer · Problem Solver
I'm an AI engineer passionate about designing intelligent systems that are both powerful and human-centered. With a background in Applied Math and CS from Brown and experience building cutting-edge GenAI tools, I turn ideas into scalable, beautiful tech.
Featured Projects
🧠 Natural Language to SQL
A tool that converts natural language questions into SQL queries, executes them, and presents results with user-friendly summaries.
Tech: Python · LangChain · PostgreSQL · Streamlit
📚 RAG-Powered Knowledge Assistant
A Retrieval-Augmented Generation system to answer complex questions using enterprise data. Built with modular pipelines and vector search.
Tech: OpenAI · Pinecone · FastAPI · Docker
Achievements & Past Roles
Citi
Software Engineer, GenAI & ML
- Developing GenAI-powered tools including a Conversational AI Assistant with RAG + LLM-generated SQL.
- Working with LangChain, OpenAI, LLama, Gemini, and multiple databases (SQL, noSQL, vector stores).
- Applying CI/CD, Docker, Kubernetes, and Openshift in Google Cloud SaaS environments.
- Built APIs with FastAPI and UIs with Figma for scalable internal GenAI product offerings.
Big Data Analytics Intern
- Built an ETL pipeline in PySpark and Apache Hive using custom schema and parquet formatting.
- Developed machine learning models on massive credit card datasets with Spark and XGBoost.
- Designed an interactive Tableau dashboard used for marketing insights on masked global data.
Microsoft (formerly Nuance)
June 2022 – Aug 2022Intern, Software Engineering & Cybersecurity
- Built and deployed a Flutter mobile app for CDS specialists on iOS/Android.
- Integrated Google Firebase Analytics to improve UX based on content data.
- Performed security risk assessments using SOC 2, SIG, ISO 27001 standards.
MassMutual
June 2019 – Aug 2019Intern, Information Technology
- Won first place in company-wide hackathon with chatbot insurance claims tool.
Needham Public Schools
Sept 2020 – Dec 2020Substitute Teacher
- Taught middle and high school classes across subjects while pursuing undergraduate degree.
Education
Brown University
B.S. in Applied Math & Computer Science
GPA: 4.0
Sept 2020 – May 2024
- Specialization in A.I. and Operations Research
- Data Science Fellow: Developed AI modules, taught 65+ students, created custom ML content
- Teaching Assistant: Redesigned Machine Learning module for Data Science Fluency course
DIS Copenhagen
Study Abroad · Jan 2023 – May 2023
- Core Curriculum: Artificial Neural Networks and Deep Learning
Skills & Certifications
Languages & Tools
Python, Java, JavaScript, SQL, R, Dart, HTML/CSS, LaTeX
VS Code, Git, Jupyter, R Studio, Overleaf, Dataiku, Tableau, Jira
Frameworks & Libraries
LangChain, PySpark, React, Flutter, FastAPI, OpenAI, Pytorch, Tensorflow, Scikit-Learn, XGBoost
Certifications
- Certified TensorFlow Developer – DeepLearning.AI (2024)
- AI Product Management – Coursera (2023)
- LangChain Specialist – Internal Citi Certification (2024)
- AWS Certified Cloud Practitioner (In Progress)
Get in Touch
Email me at zsickles12@gmail.com or connect on LinkedIn.