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Hi, I'm Steven Zhang, a Senior AI Full Stack Engineer with a passion for building AI-powered SaaS platforms. I specialize in combining the best of Python, Node.js, and modern frontend frameworks like React and Next.js to create seamless and scalable applications. I love working on real-time event-driven architectures and integrating cutting-edge LLM technologies to solve complex problems like email prioritization and content summarization. I have extensive experience deploying cloud-native solutions on AWS and Azure, improving system performance, and automating CI/CD pipelines to ensure reliability. Whether working on backend microservices, frontend dashboards, or AI-powered tools, I enjoy crafting solutions that enhance user experience and make data actionable.…Hi, I'm Steven Zhang, a Senior AI Full Stack Engineer with a passion for building AI-powered SaaS platforms. I specialize in combining the best of Python, Node.js, and modern frontend frameworks like React and Next.js to create seamless and scalable applications. I love working on real-time event-driven architectures and integrating cutting-edge LLM technologies to solve complex problems like email prioritization and content summarization. I have extensive experience deploying cloud-native solutions on AWS and Azure, improving system performance, and automating CI/CD pipelines to ensure reliability. Whether working on backend microservices, frontend dashboards, or AI-powered tools, I enjoy crafting solutions that enhance user experience and make data actionable.

Steven Zhang

Full Stack Developer, AI Engineer, Data Scientist, +2

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Hi, I'm Steven Zhang, a Senior AI Full Stack Engineer with a passion for building AI-powered SaaS platforms. I specialize in combining the best of Python, Node.js, and modern frontend frameworks like React and Next.js to create seamless and scalable applications. I love working on real-time event-driven architectures and integrating cutting-edge LLM technologies to solve complex problems like email prioritization and content summarization. I have extensive experience deploying cloud-native solutions on AWS and Azure, improving system performance, and automating CI/CD pipelines to ensure reliability. Whether working on backend microservices, frontend dashboards, or AI-powered tools, I enjoy crafting solutions that enhance user experience and make data actionable.…Hi, I'm Steven Zhang, a Senior AI Full Stack Engineer with a passion for building AI-powered SaaS platforms. I specialize in combining the best of Python, Node.js, and modern frontend frameworks like React and Next.js to create seamless and scalable applications. I love working on real-time event-driven architectures and integrating cutting-edge LLM technologies to solve complex problems like email prioritization and content summarization. I have extensive experience deploying cloud-native solutions on AWS and Azure, improving system performance, and automating CI/CD pipelines to ensure reliability. Whether working on backend microservices, frontend dashboards, or AI-powered tools, I enjoy crafting solutions that enhance user experience and make data actionable.

Available to hire

Hi, I’m Steven Zhang, a Senior AI Full Stack Engineer with a passion for building AI-powered SaaS platforms. I specialize in combining the best of Python, Node.js, and modern frontend frameworks like React and Next.js to create seamless and scalable applications. I love working on real-time event-driven architectures and integrating cutting-edge LLM technologies to solve complex problems like email prioritization and content summarization.

I have extensive experience deploying cloud-native solutions on AWS and Azure, improving system performance, and automating CI/CD pipelines to ensure reliability. Whether working on backend microservices, frontend dashboards, or AI-powered tools, I enjoy crafting solutions that enhance user experience and make data actionable.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Chinese

Advanced

Work Experience

Senior Software Developer at Valohai

May 1, 2023 - July 29, 2025

Engineered backend APIs with Python (Flask, FastAPI) and Node.js (NestJS) to orchestrate ML training pipelines and AI model versioning at scale. Built CI/CD pipelines with GitHub Actions, Helm, and Terraform to automate ML experiment deployments on Kubernetes and Vercel-based UIs. Integrated LangChain and LangGraph into data labeling workflows enabling semi-automated annotation and AI-assisted dataset evaluation. Designed React and Next.js dashboards with advanced data visualization for live model metrics monitoring. Optimized Kafka-based event streaming for experiment logs, connecting ETL pipelines with Spark and Snowflake. Implemented secure authentication and API rate-limiting using JWT and OAuth 2.0. Enhanced data storage with PostgreSQL and MongoDB Atlas using Prisma ORM and TypeORM. Built AI-powered error diagnostics with embeddings and Hugging Face. Developed automated ETL scripts with pandas reducing data prep time by 40%. Monitored distributed workloads with Grafana, Prometheu

Senior Software Developer at Ellie.ai

May 1, 2023 - Present

Developed microservices with Python (FastAPI, Celery, SQLAlchemy) to process email ingestion, NLP-based priority scoring, and content categorization in real time. Integrated OpenAI, Cohere, and Hugging Face transformers for summarizing email threads and generating AI-curated daily digests, reducing manual email triage by 70%. Designed a priority scoring algorithm using embeddings and semantic similarity (OpenAI + Hugging Face), automatically tagging and ranking emails based on content importance and past user behavior. Implemented multi-tenant architecture with Redis-based caching layers, ensuring high performance during peak email loads. Developed a React and TypeScript browser extension to integrate AI summaries and priority tags within users’ email clients. Designed RAG pipelines with Pinecone and Elasticsearch for semantic search and embedding-based filtering. Built React + TypeScript frontend with Vite, Redux, and Styled-Components offering real-time priority views, conversation

Senior Software Developer at Flowrite Group

July 31, 2021 - July 29, 2025

Developed real-time text generation APIs using Python (FastAPI) with Celery and OpenAI GPT models for smart content suggestions and email templates. Built React + Redux frontends with WebSockets for live content previews and collaborative editing. Implemented Next.js page router and CDN caching to optimize global performance. Enhanced backend persistence with PostgreSQL and Redis incorporating caching strategies. Created ETL workflows with pandas and Airflow to analyze user content and improve personalization. Integrated prompt engineering with LangChain for AI-generated email templates and responses. Deployed Node.js (Express) microservices for authentication, payment, and session management. Automated infrastructure deployment with Docker, Kubernetes, and GitHub Actions. Implemented automated testing with Selenium and Puppeteer. Built styled-components based design system for efficient UI prototyping. Enhanced AI output evaluation with Claude CLI. Added advanced monitoring with Struc