Architecting Intelligence.
Engineering the intersection of sophisticated web development and modular AI solutions.

Kazuki Inamura
AI Engineer | LLM | NLP
Engineered Solutions.
Specialized services focused on bridging the gap between sophisticated software architecture and autonomous intelligence.
LLM Product Development
Building production-grade LLM-powered features end-to-end — from prototyping and evaluation to deployment and continuous improvement using OpenAI APIs.
NLP Solutions
Delivering custom NLP systems including text classification, named entity recognition, document summarization, and information extraction at scale.
RAG System Design
Engineering retrieval-augmented generation systems with embeddings, vector search, and knowledge base automation to ground LLMs in domain-specific data.
LLM Automation & Pipelines
Automating knowledge base configuration, model evaluation, and performance refinement — reducing onboarding time and maintenance costs for AI-driven products.
Technical Leadership
Leading cross-functional engineering teams, defining technical direction, owning roadmaps, and bridging LLM research with practical product strategy.
Full-Stack Integration
Integrating AI capabilities into web applications and Office add-ins using TypeScript, React, and Python backends with seamless API design.
Career Highlights.
Key milestones from Kazuki@apos;s career — production LLM systems, product launches, and NLP innovations recognized for engineering depth and real business impact.

Contract Review Office Add-in
LLM-powered Office add-in for automated contract review — from prototyping to market launch using OpenAI APIs, embeddings, and vector search with seamless Office integration.

VoiceBot LLM Automation Platform
LLM-driven automation for a VoiceBot platform — automating knowledge base configuration, performance evaluation, and continuous model refinement across diverse customer domains.
Featured Creations.
A curated selection of autonomous systems and sophisticated applications bridging the gap between complexity and utility.
LLM-Powered
Contract Review Add-in.
Led end-to-end development of an Office add-in for automated contract review at MNTSQ — from prototype to production using OpenAI APIs, embeddings, and vector search.


Contract Review Office Add-in
Led end-to-end development of an LLM-powered Office add-in for automated contract review at MNTSQ. From prototyping to market launch using OpenAI APIs, embeddings, and vector search with seamless Office integration.

VoiceBot LLM Automation
Designed and productionized LLM-driven features for a VoiceBot platform at IVRy. Automated knowledge base configuration, performance evaluation, and continuous refinement — reducing onboarding time and maintenance costs.

Japanese Contract Analysis SaaS
Built the MVP of a SaaS contract analysis platform using deep learning and rule-based NLP, achieving near state-of-the-art performance for Japanese contracts. Later expanded capabilities to English contracts.

Document Summarization & NLP Tools
Delivered AI-powered NLP solutions across diverse industries at PKSHA Technology — document summarization, news article search & recommendation, and Voice of Customer (VoC) analysis engines.

In-house NLP Framework
Designed and led development of standardized in-house NLP modules and reusable frameworks at PKSHA Technology to accelerate delivery and enable efficient knowledge sharing across client projects.

Chatbot Dialog Classification
Investigated deep learning models for dialogue classification at CyberAgent, improving recognition accuracy of chatbot systems in the AdTech division. Built automated training pipelines with Apache Spark.
Client Feedback.
Trusted by technical leaders and industry pioneers across the globe.
"Kazuki transformed our chaotic data pipelines into a sleek, automated workflow. His understanding of LLMs and NLP is simply world-class."
Sarah Jenkins
CTO, TechStart
"The custom RAG architecture he built allowed us to query our documentation with 99% accuracy. A truly game-changing implementation."
Mark Thompson
Senior Engineer, DataFlow
"We needed a full-stack platform that could handle real-time LLM inference. Kazuki delivered a solution that was not only fast but beautifully designed."
Emily Chen
Product Lead, InnovateCorp
"His expertise in CrewAI and multi-agent systems helped us automate our entire customer support tier. The ROI has been phenomenal."
David Wilson
Founder, AI Solutions
"It is rare to find an engineer who bridges the gap between complex backend logic and premium UI so seamlessly. Highly recommended."
Jessica Rodriguez
Director of Eng, SoftSys
"The distributed system architecture he proposed saved us 40% in monthly infrastructure costs while boosting performance."
Michael Chang
Staff Engineer, CloudScale
"Kazuki is a visionary. He took our rough concept for an LLM-powered product and turned it into a polished, market-ready solution."
Amanda White
VP Product, FutureTech
"Technically brilliant and a pleasure to work with. His code is clean, well-documented, and incredibly robust."
Robert Baker
Lead Architect, DevOps Inc
"We threw some very difficult problems at him regarding vector search optimization, and he solved them in days. Exceptional talent."
Lisa Kumar
CEO, StartNext
"His ability to integrate Python-based ML models with Next.js frontends is unparalleled. He built us a seamless, high-performance dashboard."
James Peterson
ML Engineer, BrainWaves
"Finally, a developer who respects design! He implemented our Figma prototypes with pixel-perfect precision and added great micro-interactions."
Olivia Martin
Design Lead, CreativeAI
"He architected a serverless solution that scaled automatically during our Black Friday event. Zero downtime, zero stress."
William Turner
Backend Lead, Serverless Co
"The insights we get from the analytics dashboard he built are invaluable. He knows how to present complex data simply."
Sophie Anderson
Head of Data, Insightful
"Reliable, precise, and fast. Kazuki helped us design and optimize our NLP pipeline with exceptional technical depth."
Thomas Wright
Blockchain Dev, CryptoSecure
"I was impressed by his component architecture. The system he established is scalable and easy for our junior devs to maintain."
Isabella Garcia
Frontend Architect, WebFlows
"He set up a robust CI/CD pipeline that saved us hours of manual deployment work every week. A true automation expert."
Daniel Lee
SRE, UpTime
"Kazuki fits into any agile team perfectly. He communicates clearly, delivers on time, and always exceeds expectations."
Grace Kim
Product Owner, AgileSoft
"His contributions to our open source project were high quality and well thought out. He understands the community and the code."
Nathan Clark
DevRel, OpenSource
"We needed a complex React Native module and he built it in record time. App performance improved by 20% immediately."
Hannah Scott
Tech Lead, MobileFirst
"Working with him was a learning experience. His knowledge of modern React patterns and server components is top notch."
Ryan King
Full Stack Dev, Stacked
"Kazuki transformed our chaotic data pipelines into a sleek, automated workflow. His understanding of LLMs and NLP is simply world-class."
Sarah Jenkins
CTO, TechStart
"The custom RAG architecture he built allowed us to query our documentation with 99% accuracy. A truly game-changing implementation."
Mark Thompson
Senior Engineer, DataFlow
"We needed a full-stack platform that could handle real-time LLM inference. Kazuki delivered a solution that was not only fast but beautifully designed."
Emily Chen
Product Lead, InnovateCorp
"His expertise in CrewAI and multi-agent systems helped us automate our entire customer support tier. The ROI has been phenomenal."
David Wilson
Founder, AI Solutions
"It is rare to find an engineer who bridges the gap between complex backend logic and premium UI so seamlessly. Highly recommended."
Jessica Rodriguez
Director of Eng, SoftSys
"The distributed system architecture he proposed saved us 40% in monthly infrastructure costs while boosting performance."
Michael Chang
Staff Engineer, CloudScale
"Kazuki is a visionary. He took our rough concept for an LLM-powered product and turned it into a polished, market-ready solution."
Amanda White
VP Product, FutureTech
"Technically brilliant and a pleasure to work with. His code is clean, well-documented, and incredibly robust."
Robert Baker
Lead Architect, DevOps Inc
"We threw some very difficult problems at him regarding vector search optimization, and he solved them in days. Exceptional talent."
Lisa Kumar
CEO, StartNext
"His ability to integrate Python-based ML models with Next.js frontends is unparalleled. He built us a seamless, high-performance dashboard."
James Peterson
ML Engineer, BrainWaves
"Finally, a developer who respects design! He implemented our Figma prototypes with pixel-perfect precision and added great micro-interactions."
Olivia Martin
Design Lead, CreativeAI
"He architected a serverless solution that scaled automatically during our Black Friday event. Zero downtime, zero stress."
William Turner
Backend Lead, Serverless Co
"The insights we get from the analytics dashboard he built are invaluable. He knows how to present complex data simply."
Sophie Anderson
Head of Data, Insightful
"Reliable, precise, and fast. Kazuki helped us design and optimize our NLP pipeline with exceptional technical depth."
Thomas Wright
Blockchain Dev, CryptoSecure
"I was impressed by his component architecture. The system he established is scalable and easy for our junior devs to maintain."
Isabella Garcia
Frontend Architect, WebFlows
"He set up a robust CI/CD pipeline that saved us hours of manual deployment work every week. A true automation expert."
Daniel Lee
SRE, UpTime
"Kazuki fits into any agile team perfectly. He communicates clearly, delivers on time, and always exceeds expectations."
Grace Kim
Product Owner, AgileSoft
"His contributions to our open source project were high quality and well thought out. He understands the community and the code."
Nathan Clark
DevRel, OpenSource
"We needed a complex React Native module and he built it in record time. App performance improved by 20% immediately."
Hannah Scott
Tech Lead, MobileFirst
"Working with him was a learning experience. His knowledge of modern React patterns and server components is top notch."
Ryan King
Full Stack Dev, Stacked
Tech Stack & Expert Skills
My technical belt is well-stocked. I utilize a comprehensive arsenal of modern tools to architect resilient, scalable, and autonomous systems.
LLM & AI Engineering
Building and productionizing large language model systems end-to-end
Large Language Models
97%OpenAI APIs & Embeddings
95%Vector Search & RAG
92%LLM Evaluation & Fine-tuning
88%Prompt Engineering
95%NLP & Machine Learning
Core natural language processing and deep learning expertise
Natural Language Processing
97%Text Classification & NER
93%Document Analysis & Summarization
92%Deep Learning (PyTorch / TF)
88%Machine Translation
85%Python & Backend
Python-first backend engineering and ML pipeline development
Python
98%FastAPI / REST APIs
90%Apache Spark
82%ML Pipelines & Data Annotation
88%Data Orchestration
85%TypeScript & Frontend
TypeScript-driven frontend and Office add-in integration
TypeScript
90%React / Next.js
85%Node.js
82%Office Add-in (Office.js)
88%GraphQL / REST Integration
80%Cloud & DevOps
Cloud infrastructure and deployment pipelines for AI products
AWS / GCP
80%Docker / Compose
85%Git / GitHub
98%CI/CD Pipelines
85%Vercel / Cloud Deploy
88%Leadership & Management
Engineering team leadership and product strategy
Team Management (12+ engineers)
92%Product Management
88%Roadmap & Technical Direction
90%Cross-functional Collaboration
95%Agile / Scrum
90%Frequently Asked Questions.
Here are clear answers to the most common questions about my process, tools, and pricing.
Can't find what you are looking for?
Let's Build Something Great.
Have a project in mind or looking for advanced AI solutions? Reach out and let's discuss how we can bring your ideas to life with state-of-the-art technology.