Sakib
n8n and AI Agent Developer, Python Automation Engineer
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Portfolio
Work experience
Senior Software Engineer and Technical Lead
株式会社ブランドクラウド • Full-time
Aug 2022 - Present • 4 yrs 2 mos
Tokyo-based AI product company. Promoted from Software Engineer (2022) to Senior Software Engineer (2023) and Technical Lead (2024). * Architected and built KnowledgeLinks AI, a multi-tenant enterprise RAG platform using OpenAI, Claude and Gemini with streaming, source-cited answers and LangSmith evaluation. * Led full-stack development of Benrimono, an on-demand delivery app with real-time GPS and a serverless AWS backend (Lambda, DynamoDB). * Introduced the company's first production LLM integrations and reusable AI API patterns. * Build and maintain Django and FastAPI REST APIs, Next.js, React and Vue UIs, PostgreSQL schemas and Redis caching. * Own cloud infrastructure, CI/CD with GitHub Actions, Docker deployments and production monitoring on AWS. * Mentor engineers on system design and code quality.