Daniel Bos
Development Architect - Big Data
Chaoyang District, Beijing, China
Summary
👤
Senior🎓
Top SchoolDaniel Bos is a seasoned Development Architect with 18 years of experience building and architecting large-scale systems, currently leading Big Data efforts at SAP in Beijing. He combines deep platform and Java expertise from senior roles at Microsoft and Nokia with hands-on full-stack and backend engineering, driving architecture, code quality, and team coaching. Daniel contributes to open-source tooling—improving markdown-aware text splitting in a Go LangChain implementation and enhancing the Fava web UI for Beancount—demonstrating a practical focus on developer UX and data accuracy. His background spans embedded systems to cloud and migration services, and he uniquely pairs formal training in computer engineering and philosophy of science with real-world product migrations and rollout analytics. Colleagues rely on him for architecture reviews, API design, and pragmatic delivery across complex, cross-team projects.
18 years of coding experience
12 years of employment as a software developer
SCJA Java, SCJA Java at Sun Certified Java AssociateBSc Computer EngineeringEmbedded Systems, BSc Computer EngineeringEmbedded Systems at Saxion University of Applied SciencesPhilosophy of Science Technology and Society, Philosophy of Science Technology and Society at University of TwenteComputer Hardware Software Embedded Systems, Computer Hardware Software Embedded Systems at Technisch College EdeOther Chinese Language, Other Chinese Language at Communication University of ChinaGAIQ Google Analytics, GAIQ Google Analytics at Google Analytics Individual Qualification
Dutch, English, German, Chinese
Stackoverflow
21reputation
7kreached
1answer
0questions
Github Skills (20)
markdown10
web-application10
python10
flask-ask10
go10
markdown-it10
webapp10
golang10
web-development10
flask10
javascript9
user-interface9
human-interface9
graphical-user-interface9
ai9
Programming languages (15)
Github contributions (5)
tmc/langchaingo
Dec 2023 - Feb 2025
LangChain for Go, the easiest way to write LLM-based programs in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 reviews, 9 PRs, 36 comments in 1 year 2 months
Contributions summary:Daniel primarily focused on enhancing the text splitting functionality within the `langchaingo` library for Go. Their contributions involved implementing handlers for markdown code blocks, fences, and horizontal rules, alongside adding options to control the rendering of code blocks and reference links. Furthermore, the user added support for handling reference links by rendering complete links instead of references. These changes improved the accuracy and flexibility of markdown text splitting.
aigogolanglangchain
beancount/fava
Dec 2015 - Apr 2016
Fava - web interface for Beancount
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:37 commits, 31 PRs, 214 comments in 4 months
Contributions summary:Daniel primarily focused on enhancing the web interface (Fava) for Beancount. Their contributions involved improving the user experience through the addition of features like "Year to Date" time filters, and by formatting chart elements. They also addressed bugs related to journal entry leg collapsing and export functionality. Additionally, they improved the editor, integrating features like code folding and source links.
web-interfacebeancountplaintext-accountingledgerfava
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