Full-Stack Developer Senior

Designed and deployed **+ scalable enterprise systems with robust relational databases,

maintaining 99.99% uptime for mission-critical operations. Created 25+ technical architecture and data flow diagrams, reducing misconfigurations and improving onboarding efficiency by 30%.

Automated spreadsheet-heavy workflows saving effort by 20%, transforming manual Excel processes into structured data pipelines with validation and error checks. Built tools for importing/exporting data from Excel and Word documents, enabling smooth and accurate data entry for harvest and inventory records. Integrated external systems (Salesforce, custom CRMs, accounting tools) via APIs and ETL routines to unify business data across platforms.

Implemented CI/CD pipelines using GitLab CI and Terraform, reducing release time by 35% and supporting multi-phase workflow development.

CHAVIS YANG

SUMMARY

Results-driven Full Stack Web Developer with 10+ years of hands-on experience delivering enterprise-grade, scalable web applications. Proven expertise in cloud-native architecture, microservices, CI/CD pipelines, and responsive SPA development. Adept in modern tech stacks including React.js, Node.js, AWS, and Firebase. Strong advocate of Agile and DevOps methodologies with a deep focus on performance optimization, clean code principles, and end-to- end system integration. Passionate about driving digital transformation and engineering best practices in fast-paced, collaborative environments. EXPERIENCE

Architected and deployed 15+ multi-tier enterprise applications, ensuring scalability, maintainability, and high availability — ensuring 99.99% uptime across mission-critical systems.

Created over 25 detailed architecture diagrams and technical specifications, directly enabling faster onboarding and reducing system misconfigurations by 30%. Engineered interactive and high-performance user interfaces with React.js and Vue.js, leading to a 40% boost in engagement and a 1.2s reduction in load time. Transitioned legacy systems to microservices architecture, reducing feature deployment time by 60%.

Architected and scaled backend systems using Node.js and Express.js, capable of serving 500k+ concurrent users with <200ms latency.

Senior Lead Full-Stack Developer 01/2022 - 06/2024

+1-415-***-**** ******.*****@*****.*** https://www.linkedin.com/in/chavis-yang-ab6b0b369/ 4500 Alhambra Dr Davis, CA 95618

Database Engineer 08/2024 - Present

Canadian Rangeland Bison & Elk Inc AB, Canada

Apriorit Needham, MA

FULL-STACK DEVELOPER

EDUCATION

Technological and Higher Education Institute

SKILLS

Backend: Python, Django, Node.js, PHP, .NET, Ruby on Rails, Elixir, Laravel, Express.js, GraphQL, REST API

DevOps & Tools: AWS, Docker, Kubernetes, GitLab CI/CD, Jenkins, Git Databases: MongoDB, PostgreSQL, MySQL, Firebase

Frontend: Next.js, React.js, Angular, Vue.js, Redux, HTML5, CSS3, SASS, JavaScript, TypeScript

Others: Agile/Scrum methodologies, UI/UX Design, Elasticsearch, Redis Built scalable backend services using Node.js and Express.js that supported 1M+ API calls daily, improving request throughput by 35% and enabling seamless frontend-user experiences.

Enhanced a LAMP-based CRM by adding client profiling, interaction history, and segmentation tools—cutting annual ops costs by 12%. Designed and deployed a custom order management system, ensuring 100% on-time deliveries and boosting customer satisfaction.

Integrated Stripe, PayPal, and Square payment gateways, reducing billing errors by 90% and saving 20+ hours/week in manual processing.

Migrated legacy systems to Go-based services, lowering processing costs by 80% and improving infrastructure efficiency.

Improved reporting accuracy by 25% and reduced report delivery times by 70% through optimized data pipelines and SQL scripting.

Built self-sustaining reporting pipelines using cron jobs and backend logic, cutting manual data work by 80% and delivering daily insights to 5+ internal teams. Launched a real-time notification engine with Redis Pub/Sub and WebSockets, cutting support response time by 40% and improving order tracking updates with sub-second latency.

Implemented continuous integration and delivery pipelines with Jenkins and GitLab CI, accelerating release cadence by 40% and minimizing deployment failures. Full-Stack Developer Jun 2016 - Dec 2021

Valkira Hong Kong

Master’s in Data Science 07/2014 - 05/2016

Hong Kong

University of Hong Kong

Bachelor’s in Computer Science 04/2010 - 05/2014

Hong Kong

LANGUAGE

English Fluent

EXPERIENCE

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