09/01/2026 updated

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100 % available

Senior AI Automation & Full-Stack Lead | Java, React, Flutter, Mobile Apps

Pulau Pinang, Malaysia
Only remote
BSc Computer Science, University of Electronic Science and Technology of China
Pulau Pinang, Malaysia
Only remote
BSc Computer Science, University of Electronic Science and Technology of China

Profile attachments

Jack-Yang-AI-Automation-Enterprise-Application-Delivery.pdf

About me

Senior full-stack and mobile engineer with 23+ years delivering enterprise systems, AI automation, APIs, dashboards and apps. I can own architecture, implementation, integration, deployment and remote delivery.

FlutterDjangoMicrosoft UI AutomationOffice AutomationWorkflowsAzure AutomationBusiness Intelligence Development StudioMicrosoft Power AutomateSwift (Programming Language)Deployment AutomationFull Stack DevelopmentDartFront End Software DevelopmentArtificial Intelligence Markup Language (AIML)Automation Anywhere

Senior AI Automation & Full-Stack Engineering Lead with 23+ years of hands-on experience in enterprise software, web platforms, mobile apps, data automation and remote project delivery.

I help companies turn fragmented business operations into reliable software systems: AI assistants, workflow automation tools, admin dashboards, APIs, data pipelines, customer service automation, CRM-style workflows, web applications and mobile apps.

Core technologies: Java, Spring Boot, PHP, Python, Go, Node.js, TypeScript, React, Next.js, Vue, Flutter, Android, Kotlin, iOS, Swift, FastAPI, Django, Laravel, Symfony, MySQL, PostgreSQL, Redis, Docker, REST APIs, webhooks and cloud deployment.

AI and automation: LLM integration, AI workflow implementation, knowledge-base Q&A, WhatsApp / WeChat style messaging automation, human handoff, CRM records, reporting, API / Excel integration, document processing and business process automation.

Mobile and frontend delivery: Flutter apps, Android native, iOS native, WeChat mini-programs, React / Next.js dashboards, responsive business interfaces, admin panels, booking, dispatch, payment and operational systems.

Data automation: Python scraping, Playwright, Selenium, Scrapy, mobile/API extraction, ETL, price monitoring, Google Maps / local business data collection, reporting and BI dashboards.

I can work as an individual senior developer, technical lead or delivery owner. I am available for remote freelance projects with EU timezone overlap and can support architecture, implementation, integration, QA, deployment and long-term iteration.

Experience

Professional experience10+ years
Freelancer since2013

Languages

EnglishNative speaker

Project history

AI Automation & Full-Stack Delivery Lead

S9FT TECH SDN. BHD.

Designed and delivered AI automation and enterprise application projects covering WhatsApp / WeChat style messaging automation, customer service workflows, CRM records, reporting, APIs, admin dashboards, FastAPI backends, Flutter mobile apps and production deployment. Took ownership of requirements, architecture, implementation, integration, QA and remote delivery.


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