I am looking for a full stack engineer or AI engineer role within a remote culture.
YL
Open to opportunities
Yuming Long
@yuminglong
I am a senior full stack AI engineer who built several AI-powered SaaS applications, data pipelines, and intelligent automation systems.
Hong KongWhat I'm looking for
I've built scalable web applications, backend systems, and AI-powered products for ToUp Solutions, Anteambulos, Papyrus, Dime Inc., and PCCW Solutions. At Anteambulos, I launched React and Tailwind CSS applications, architected FastAPI microservices, and implemented a RAG chatbot with hybrid retrieval, LLMs, and citation-backed responses.
At Dime Inc., I developed 50+ web-scraping solutions delivering 200M+ student data records, built an Outlook crawling bot supporting campaigns to 200k+ contacts, and created a Mistral-4B profile-classification system that achieved 95% accuracy across 500k+ students.
I'm experienced across Python, React, Next.js, Django, FastAPI, AI/ML, data processing, web automation, cloud platforms, and secure API architecture.
Experience
Work history, roles, and key accomplishments
TS
Current
Full Stack Engineer
ToUp Solutions
Jun 2025 - Present (1 year 2 months)
Developed and deployed SaaS applications using Next.js with server-side rendering, dynamic routing, API handlers, and optimized data fetching. Integrated Sanity CMS for dynamic content management and collaborated with cross-functional teams in an agile environment.
AN
Founding Engineer & CTO
Anteambulos
May 2025 - Nov 2025 (6 months)
Designed and launched scalable web applications using React and TailwindCSS, architected backend services with FastAPI and Python, and implemented a RAG-based chatbot with hybrid retrieval and LLMs. Constructed document analysis pipelines using OCR and semantic chunking.
PA
AI & Data Engineer
Papyrus
Jan 2024 - Dec 2024 (11 months)
Developed web automation and crawling solutions using Selenium and GUI automation with PyAutoGUI. Engineered stream detection and download systems with FFmpeg, and implemented real-time speaker diarization and live transcription using AI models.
DI
AI & Data Engineer
Dime Inc.
Dec 2020 - Dec 2023 (3 years)
Developed over 50 web scraping solutions providing 200M+ student data records, implemented automated email campaigns, and built a profile analysis system using Mistral-4B with 95% accuracy. Conducted security-focused code reviews for a SaaS platform.
PS
Full Stack Software Engineer
PCCW Solutions
Nov 2017 - Nov 2020 (3 years)
Developed and optimized scalable backend systems using Python frameworks like Django and Flask, improving efficiency and reducing response times by 25%. Built dynamic frontend components with React and Redux, and established RESTful and GraphQL APIs.
Education
Degrees, certifications, and relevant coursework
University of Hong Kong
Bachelor of Science, Computer Science
2013 - 2017
Bachelor in Computer Science degree from the University of Hong Kong from 2013 to 2017.
Tech stack
Software and tools used professionally
Availability
Open to opportunities
Location
Hong KongAuthorized to work in
Salary expectations
40k-60k USD
Social media
Job categories
Skills
PythonReactNodeTypeScriptJavaScriptNext.jsDjangoFlaskfastAPIC++RTailwind UICelerySQLWeb ScrapingPyTorchMySQLPostgreSQLMongoDBPandasNumPyscikit learnDockerKubernetesGitGitHubGitlabPineconeChromaDBLang ChainLlamaIndexN8nAWSAzureGCPVertex AISeleniumFFMPEGREST APIsGraphQLReduxSanity CMSMicroservicesRAGNodeJS
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