Kazuki Kagoshima
Software Engineer
Yokohama,43
Summary
Bilingual software engineer with experience building full-stack RAG applications.
Driven to create robust, maintainable systems that deliver meaningful impact.
Eager to grow with a diverse team that values engineering excellence and purpose beyond work.
Overview
2
2
years of professional experience
2
2
Languages
Work History
Software Engineer Technical Lead
Xware
09.2024 - Current
- Led the development and maintenance of a microservice-based RAG system for multiple client PoCs. Integrating FastAPI servers, vector databases, and Azure/OpenAI LLMs.
- Standardized development workflows with Docker and Devcontainer setups, improving onboarding and reduce environment drift.
- Coordinated sprint planning with consultants, stakeholders, and clients to ensure high-impact, deliverable goals.
- Acted as a bilingual bridge between Japanese and English engineers to foster clear communication and team cohesion.
- Advocated for maintainable architecture in a rapid prototyping environment; now seeking to deepen experience in testing, and long-term code quality.
Software Engineer
Xware
05.2023 - 09.2024
- Contributed to my first LLM and Vector Database project, supporting a RAG system for client PoCs.
- Gained hands-on experience with Docker and FastAPI through backend development.
- Implemented custom document chunking logic to improve RAG retrieval accuracy.
- Evaluated different llm providers to match various client needs.
Education
No Degree - Full-stack Software Engineering
Code Chrysalis
Tokyo 04.2001 -
Bachelor of Arts - Linguistics
Kanagawa University
Yokohama 04.2001 -
Skills
Python
Typescript
React
Postgres
Vector Databases
Docker
Devcontainer
Git/Github
Timeline
Software Engineer Technical Lead
Xware
09.2024 - Current
Software Engineer
Xware
05.2023 - 09.2024
No Degree - Full-stack Software Engineering
Code Chrysalis
04.2001 -
Bachelor of Arts - Linguistics
Kanagawa University
04.2001 -
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