WEI CHEN
Zug, Switzerland | wei.chen@example.test | Swiss B permit, held since 2019

SUMMARY
Backend engineer, seven years. Two years building LLM features inside a larger
product team.

EXPERIENCE

Senior Backend Engineer, Limmat Software GmbH, Zug — 2019 to present
  Owned the search and recommendation service behind a B2B catalogue product.
  Added a retrieval-augmented answering feature in 2023: chunking, embeddings,
  a reranker. It shipped and is used, though I owned the component rather than
  the whole system — deployment and on-call sat with the platform team.
  Wrote the offline evaluation set for it. No online measurement.

Backend Engineer, Rheinbrücke Analytics, Basel — 2017 to 2019
  Data ingestion in Python. ETL, scheduling, monitoring dashboards.

SKILLS
Python, TypeScript, PostgreSQL, Elasticsearch, Docker, some Kubernetes.
Mandarin (native), English (fluent), German (B1, improving).

EDUCATION
BSc Software Engineering, invented university, 2017.

AVAILABILITY
Two months' notice.
