Daniel Walker
AI Engineer LLM RAG Developer
Skills
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Portfolio
Work experience
AI Engineer / Data Engineer
Freelancing Career • Freelance
Mar 2023 - Present • 3 yrs 5 mos
Developed AI-powered applications including data processing pipelines, LLM-based assistants, and automation solutions.
Java Software Engineer / Backend Architect
Self Employed • Self-employed
Jul 2003 - Feb 2023 • 19 yrs 7 mos
Experienced Java software engineer with over 15 years of experience designing and developing enterprise-level applications and backend systems. Worked on large-scale software projects involving Java, Spring Framework, Spring Boot, RESTful APIs, microservices architecture, database design, and distributed systems. Responsible for system architecture design, technical solutions, performance optimization, and development team collaboration. Experienced in building reliable, scalable, and maintainable applications for business-critical systems. Key expertise includes: - Java enterprise application development - Spring Boot and microservices architecture - REST API design and integration - Database optimization and data processing - System architecture and technical planning - Cloud-based application deployment Recently focusing on AI application development, including LLM integration, RAG systems, and intelligent automation solutions using Python and modern AI technologies.