Stephen Wang

Berkeley,CA

Overview

years of professional experience

NextTier

Sacramento, CA

01.2026 - 03.2026

Built a Java Spring Boot–based AI search platform integrating JWT authentication, Redis caching, Chroma vector retrieval, and LangChain-powered RAG for citation-grounded question answering.
Designed Apache Airflow pipelines to process and index research papers and PDFs for semantic retrieval.
Developed Kafka-based asynchronous workflows for document ingestion, embedding generation, and indexing to improve scalability.
Built RESTful APIs for document management and semantic search, enabling low-latency access to academic knowledge bases.

Pawly

San Francisco, CA

05.2025 - 09.2025

Built a synthetic media detection platform using Java Spring Boot, Kafka, Redis, OpenCV, and PyTorch to analyze uploaded videos and generate AI-generated content risk scores.
Developed Kafka-based asynchronous pipelines for video ingestion, feature extraction, and model inference to support scalable processing workloads.
Implemented computer vision models to analyze visual and temporal inconsistencies across video frames for synthetic media detection.
Built RESTful APIs and Dockerized backend services, integrating Redis caching to improve system responsiveness and processing efficiency.

Inspur Group

04.2023 - 06.2023

Developed a React-based interactive map application for bike-sharing operations, enabling real-time visualization of bike locations, availability, and fleet status.
Built responsive frontend interfaces using React and JavaScript, improving operational visibility and accessibility of geospatial data.
Integrated GIS and location-based data services to support real-time fleet monitoring and routing decisions.
Consumed RESTful APIs to display dynamic bike status updates and enhance operational workflow efficiency through improved UI/UX design.

UC Berkeley

Berkeley, CA

04.2022 - 07.2022

Taught advanced C++ concepts, including overloaded operators, pointers, and multiple inheritance to a class of 30 students, resulting in a significant improvement in their understanding and application of object-oriented programming principles.
Provided hands-on guidance, enabling students to successfully complete challenging programming assignments and master advanced C++ topics.

Programing Language:

Frameworks & Tools:

Machine Learning & AI:

Retrieval-Augmented Generation (RAG), Prompt Engineering, LLM Agents, LangChain/LangGraph

University of California, Berkeley, Graduation in: December 2025
BS in Computer Science