Dong Wang

LLM & AI Engineering and Backend & ML Infrastructure

Senior Software Engineer at Reflexivity (2021-10 – Present)

LLM & AI Engineering and Backend & ML Infrastructure

• Built LLM reasoning agents using OpenAI ChatGPT, Google Gemini, and Anthropic Claude.
• Designed retrieval and agent pipelines including context construction and evaluation: Qdrant and Weaviate.
• Integrated LLM services into distributed systems.
• Developed microservices in Python/Go with FastAPI, Kafka, Postgres, Cassandra.
• Implemented observability using OpenTelemetry and Prometheus.
• Built ML pipelines with DVC, MLFlow, ArgoCD and deployed models with TorchServe.

Full Stack Engineer at Qumata (2020-02 – 2021-09)

• Built backend APIs with Python (AioHTTP), DynamoDB, AWS.
• Co-designed system architecture with CTO.
• Integrated predictive models and resolved production issues.

Software Developer at Blue Lobster IT (2014-03 – 2020-02)

• Developed backend systems using Python/Django/Postgres and Node.js/MongoDB.
• Built frontend features using React/Redux.

Software Developer at NFSChina (2009-07 – 2013-09)

• Full lifecycle development of enterprise systems.

Master's Degree in Computer Science – Beijing Institute of Technology (2007 – 2009)

Bachelor's Degree in Computer Science – Shandong University of Science and Technology (2003 – 2007)