Yuxuan (Ewan) Li

Kotlin · Ruby on Rails · TypeScript/React · Python · SQL · GraphQL

• Led a high-priority initiative building custom Model Context Protocols (MCPs) to bridge backend applications with Goose and an in-house generative-UI solution for the sales organization; delivered strategic demos to executive leadership on a regular cadence.
• Engineered a Slack bot integrated with the Extend platform to automate competitive analysis — reduced manual document processing time by 85% (from ~15 min to ~2 min), saving ~500 hours YTD.
• Implemented a serverless data pipeline (AWS Lambda, SNS, SQS) integrating LLMs to summarize messaging chats and phone transcripts into Salesforce cases.
• Developed a custom Chrome extension as a frontend for context-aware LLM interactions over an internal knowledge base and macros.
• Designed and deployed a competitor-comparison calculator replacing legacy Google Sheets with in-app formatted PDF contracts — ~15 minutes saved per merchant.

Ruby on Rails · TypeScript/React · Python · SQL · GraphQL

• Orchestrated the migration of legacy support platforms to Twilio Flex 2.0 — feature parity, and a 56% reduction in support-case turnaround time.
• Deployed Cresta AI into Twilio Flex and ran the A/B testing and rollout: 18% increase in chat turnaround efficiency.
• Designed routing logic for specialized customer-service representatives across multiple global regions and time zones.
• Won company Hackweek; the project was later greenlit as a greenfield initiative to centralize data visibility for internal users.
• Implemented Elasticsearch via AWS OpenSearch for high-speed macro search; integrated Contentful CMS for self-serve content management.

Scala · Gatling · JavaScript · ServiceNow

• Engineered testing automation for API proxies with Scala and Gatling, shortening release cycles by 20%.
• Built a ServiceNow application integrating internal IAM and security platforms, improving API onboarding duration by more than 40%.

C# · Dynamics 365 · SSIS

• Promoted to Lead Developer within 5 months on a Microsoft Dynamics 365 enhancement project, saving $50,000 CAD in contractor costs.
• Architected a custom C# plugin for CRM workflows and SSIS integrations between ServiceNow and Dynamics 365 — team efficiency up 40%.