Dexin Wang

Software Developer / Full-Stack Engineer

Summary


Results-oriented Software Engineer with 7.5 years of experience in backend services, web applications, and database systems. Proven expertise in designing scalable systems, implementing privacy-compliant features, and delivering AI-integrated solutions. Skilled in modular design, performance optimization, and collaborative development. Strong leadership experience in roadmap planning, cross-team collaboration, and project ownership.
Skills Icon

Skills


  • Programming Languages: Java, Python, React, TypeScript, Ruby
  • Databases: DynamoDB, Athena, Redshift, Amazon S3, SQL Server, Oracle DB, MySQL
  • Cloud: AWS (Lambda, ECS, Step Functions)
  • AI Language Models: Amazon Nova, Anthropic Claude, Mistral
Work Experience Icon

Work Experience


Amazon – Software Development Engineer

Seattle, WA | Oct 2020 – Present

Alexa Privacy Experience Team

• Led the Alexa+ VUI Privacy Deletion Project, embedding a Privacy Deletion Expert into the Alexa+ routing infrastructure. Integrated AI-driven runtime and offline classification models to process ~60 TPS privacy deletions. Used classifications to monitor routing behavior against privacy expectations.

• Built a Red Teaming Infrastructure for Alexa AI, enabling systematic testing of unexpected responses. Developed both UI and backend services to input prompts and verify Alexa+ outputs via semantic similarity comparisons.

• Architected a highly concurrent Privacy Deletion Platform supporting GDPR, CCPA, HIPAA. Handles 10,000+ TPS across 300+ dataset owners, featuring monitoring and automated ticketing to comply with 30-day legal resolution.

• Collaborated on team roadmap planning and developed prototype projects to broaden impact. Worked cross-functionally with stakeholders and conducted traffic analysis to ensure peak performance stability.

• Acted as a reliable on-call engineer, triaging and prioritizing incidents, delivering root cause analysis, and implementing both short-term fixes and long-term resolutions.

Horizon Tire Company – Software Developer

Greater Los Angeles, CA | Oct 2019 – Oct 2020

• Developed an E-Commerce Fulfillment System in C# integrating Walmart and Amazon via Teapplix.

• Customized ERP modules using Ant Design and .NET Core.

• Built RESTful APIs for wholesale order management using MVP architecture.

• Deployed SSRS for enhanced sales reporting, boosting Walmart sales by 15%.

Sun West Mortgage Company – Software Developer

Greater Los Angeles, CA | Mar 2018 – Aug 2019

• Built Loan Management Systems in Java using Spring Framework and agile practices.

• Refactored backend modules into reusable components to improve maintainability.

• Developed a Java Servlet-based API Distributor to unify legacy APIs.

• Implemented a centralized Data Change Handler, reducing monitoring time by 70%.

Educations


  • University of Oregon
  • Sep. 2015 - Jun. 2017
  • Master - Computer Science
  • University of Oregon
  • Apr. 2011 - Jun. 2015
  • Bachelor - Computer Science

Certifications


  • MCSA
  • 2017
  • SQL Business Intelligence Development
  • MTA
  • 2017
  • Database Fundamentals
  • MCSA
  • 2018
  • SQL 2012/2014
  • MTA
  • 2017
  • Window Server Administration Fundamentals