Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Yanqing Yang, a product-oriented full-stack engineer with 5+ years of experience building scalable SaaS systems and shipping end-to-end product features. I specialize in asynchronous architectures, TypeScript-based systems, and cloud-native AWS environments, focusing on reliability, observability, and continuous delivery. I've designed and led backend engineering initiatives, built platforms from scratch (APIs, data models, and CI/CD), and mentored new teammates on system architecture and development workflows. I enjoy applying engineering excellence to real-world workflows and long-running AI analysis tasks, collaborating with cross-functional teams to drive product value.…I'm Yanqing Yang, a product-oriented full-stack engineer with 5+ years of experience building scalable SaaS systems and shipping end-to-end product features. I specialize in asynchronous architectures, TypeScript-based systems, and cloud-native AWS environments, focusing on reliability, observability, and continuous delivery. I've designed and led backend engineering initiatives, built platforms from scratch (APIs, data models, and CI/CD), and mentored new teammates on system architecture and development workflows. I enjoy applying engineering excellence to real-world workflows and long-running AI analysis tasks, collaborating with cross-functional teams to drive product value.

Yanqing Yang

Full Stack Developer, Back-End Developer, DevOps Developer, +4





I'm Yanqing Yang, a product-oriented full-stack engineer with 5+ years of experience building scalable SaaS systems and shipping end-to-end product features. I specialize in asynchronous architectures, TypeScript-based systems, and cloud-native AWS environments, focusing on reliability, observability, and continuous delivery. I've designed and led backend engineering initiatives, built platforms from scratch (APIs, data models, and CI/CD), and mentored new teammates on system architecture and development workflows. I enjoy applying engineering excellence to real-world workflows and long-running AI analysis tasks, collaborating with cross-functional teams to drive product value.…I'm Yanqing Yang, a product-oriented full-stack engineer with 5+ years of experience building scalable SaaS systems and shipping end-to-end product features. I specialize in asynchronous architectures, TypeScript-based systems, and cloud-native AWS environments, focusing on reliability, observability, and continuous delivery. I've designed and led backend engineering initiatives, built platforms from scratch (APIs, data models, and CI/CD), and mentored new teammates on system architecture and development workflows. I enjoy applying engineering excellence to real-world workflows and long-running AI analysis tasks, collaborating with cross-functional teams to drive product value.

Available to hire

I’m Yanqing Yang, a product-oriented full-stack engineer with 5+ years of experience building scalable SaaS systems and shipping end-to-end product features. I specialize in asynchronous architectures, TypeScript-based systems, and cloud-native AWS environments, focusing on reliability, observability, and continuous delivery.

I’ve designed and led backend engineering initiatives, built platforms from scratch (APIs, data models, and CI/CD), and mentored new teammates on system architecture and development workflows. I enjoy applying engineering excellence to real-world workflows and long-running AI analysis tasks, collaborating with cross-functional teams to drive product value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Chinese

Fluent

English

Fluent

Spanish; Castilian

Fluent

German

Advanced

Work Experience

Full-Stack Engineer at NOLO Technologies Co., Ltd.

December 1, 2018 - Present

Built and maintained backend services using Node.js, TypeScript, and Python; led onboarding of junior developers; improved team documentation and development practices; designed and implemented core data models, APIs, and asynchronous processing workflows; contributed to CI/CD pipelines and containerization; implemented monitoring and logging to improve system reliability; strengthened deployment processes to Alibaba Cloud and cloud-native architecture; focused on data modeling, workflow design, and scalable backend infrastructure.

Team Project — Trademark Management System (Enterprise Digitization Platform) at NOLO Technologies Co., Ltd.

December 1, 2018 - March 31, 2022

Led backend development for a Trademark Management System (Tech stack: React/Node.js/Django/FastAPI/PostgreSQL/Express); integrated over 2 million historical records, designed core API architecture, and established archival workflows; contributed to a scalable system that has run steadily for over 1,000 days; designed PostgreSQL data model and API structures to support core business operations; implemented API services for production use.

Administrative Manager at NOLO Technologies Co., Ltd.

September 1, 2012 - December 31, 2018

Led administrative operations and cross-functional coordination at NOLO Technologies, Beijing, Sept 2012 – Dec 2018. Streamlined processes, supported product development, and improved onboarding efficiency. Managed documentation, reporting, and internal communications to maintain smooth production cycles.

Lead Backend Developer / Platform Architect at NOLO Technologies Co., Ltd.

December 1, 2018 - March 31, 2022

Led backend development for an enterprise-grade trademark management system. Designed API services and data models to ensure data consistency and system reliability. Built asynchronous processing, introduced GraphQL and Sentry for observability, established CI/CD pipelines, and mentored team members on architecture and workflows. This work included leading a team project to process and normalize over 2 million historical records to support search, approval, and archiving workflows.

Founding Platform Engineer at Karyo Link

December 2, 2025 - Present

Building the Medical Image Analysis Platform (React / FastAPI / PostgreSQL / Redis / AWS / Docker / Terraform). Led platform architecture, API design, data modeling, cloud infrastructure, and CI/CD. Guided onboarding and contributed to system reliability for production-scale deployments.

Independent Project Lead at SentinelGate

January 1, 2026 - Present

Privacy-Aware Risk Analysis System (TypeScript / Node.js / GraphQL / PostgreSQL / AWS / Sentry). Led design and implementation as an independent project, focusing on observability and secure data handling.

Education

Double Bachelor's Degree, Computer Information Science & Network Security Management at Beijing University of Technology & PLA Institute of Electronic Engineering

January 1, 2008 - December 31, 2012

Master in Economics and Innovation Management at Universidad Politécnica de Madrid

January 1, 2023 - December 31, 2024

Double Bachelor's Degree in Computer Information Science & Network Security Management at National University of Defense Technology & PLA Institute of Electronic Engineering

January 1, 2008 - December 31, 2012

Master in Economics and Innovation Management at Universidad Politécnica de Madrid

January 1, 2023 - December 31, 2024