Kwok Wong

- Focuses on the sovereign RAG microservice, PostgreSQL pgvector, JSONB RBAC, and Streamlit demo.

- Accurately communicates current hands-on engineering without overstating historical multi-year LLM tenure.

- Account Claiming & Zero-Trust IAM: Architected the secure Account Claiming System utilizing enterprise Auth0 workflows across 10+ tenants using Authorization Code Flow with PKCE. Engineered Node.js Post-Login Actions to inject custom claims into JWTs, enforcing strict Row-Level Security (RLS) and data isolation at the Data Access Layer.

- Investment Portal & .NET Microservices: Engineered eve

- Enterprise SSO & Security: Led the implementation of Okta Single Sign-On (SSO) integrated with Salesforce applications to establish zero-trust identity controls.

- Cloud Infrastructure & Backend: Developed ASP.NET Core microservices deployed via AWS CodePipeline and Elastic Beanstalk, utilizing AWS RDS Postgres for secure data management.

- GraphQL API Development: Architected and deployed C# .NET Core 2.2 GraphQL APIs hosted on AWS with automated CI/CD via GitHub and CircleCI.

- Python Backend Engineering: Developed and optimized Python Django billing systems, providing production support and automated testing suites.

- Enterprise Modernization: Extracted, documented, and refactored complex legacy C# business logic for the SEAT Map development team supporting major enterprise e-commerce releases.

- Agile Integration: Managed version control workflows across TFS and Git while collaborating closely with cross-functional QA and release engineering teams.

- Cloud Architecture & Microservices: Engineered core web frameworks using Ruby on Rails, RESTful Node.js web services, and AWS cloud infrastructure (EC2, RDS, security groups, load balancers).

- Data & Analytics Pipelines: Built custom Python data analytics scripts, optimized database schemas, and integrated third-party systems using SAML 2.0 Single Sign-On (SSO).

- Platform Refactoring: Led the refactoring of legacy ASP.NET WebForms into ASP.NET MVC architecture, significantly improving application performance and maintainability.

- Agile Mentorship: Introduced Agile/Scrum methodologies to the IT division, training team leaders and managing board workflows to improve overall sprint velocity.

- Utilized .NET async/await and parallel threading to optimize IIS thread allocation in the Web API layer, validating performance under high-concurrency load testing (3,000 requests / 5 min).

- Built C# integration frameworks connecting third-party RESTful APIs using OAuth 2.0 security protocols.

- Architected ASP.NET MVC systems integrated with Java Solr search logic, and built automated C# data ingestion pipelines utilizing MSMQ messaging queues.

- Directed a team of 10 offshore developers and engineered .NET web services to integrate core e-commerce applications with legacy IBM iSeries mainframe backends.

- Progressed through core web development roles, culminating in architecting Fidelity’s first service-based Title Image Retrieval system utilizing ASP.NET, C#, and SQL Server.