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

Senior Full-Stack Software Engineer with years of experience designing and building React/TypeScript frontends and Node.js backends for enterprise platforms across healthcare/veterinary operations, retail/e-commerce, fintech/banking, and insurance domains. Specializes in cloud-native distributed systems, secure/compliant backend services at scale, performance and accessibility-focused UI engineering, and event-driven architectures with Kafka/RabbitMQ—along with testing/DevOps automation and pragmatic GenAI/RAG integration for operational workflows.…Senior Full-Stack Software Engineer with years of experience designing and building React/TypeScript frontends and Node.js backends for enterprise platforms across healthcare/veterinary operations, retail/e-commerce, fintech/banking, and insurance domains. Specializes in cloud-native distributed systems, secure/compliant backend services at scale, performance and accessibility-focused UI engineering, and event-driven architectures with Kafka/RabbitMQ—along with testing/DevOps automation and pragmatic GenAI/RAG integration for operational workflows.

Mia Qi

Full Stack Developer, Software Engineer, Front-End Developer, +2





Senior Full-Stack Software Engineer with years of experience designing and building React/TypeScript frontends and Node.js backends for enterprise platforms across healthcare/veterinary operations, retail/e-commerce, fintech/banking, and insurance domains. Specializes in cloud-native distributed systems, secure/compliant backend services at scale, performance and accessibility-focused UI engineering, and event-driven architectures with Kafka/RabbitMQ—along with testing/DevOps automation and pragmatic GenAI/RAG integration for operational workflows.…Senior Full-Stack Software Engineer with years of experience designing and building React/TypeScript frontends and Node.js backends for enterprise platforms across healthcare/veterinary operations, retail/e-commerce, fintech/banking, and insurance domains. Specializes in cloud-native distributed systems, secure/compliant backend services at scale, performance and accessibility-focused UI engineering, and event-driven architectures with Kafka/RabbitMQ—along with testing/DevOps automation and pragmatic GenAI/RAG integration for operational workflows.

Available to hire

Senior Full-Stack Software Engineer with years of experience designing and building React/TypeScript frontends and Node.js backends for enterprise platforms across healthcare/veterinary operations, retail/e-commerce, fintech/banking, and insurance domains.

Specializes in cloud-native distributed systems, secure/compliant backend services at scale, performance and accessibility-focused UI engineering, and event-driven architectures with Kafka/RabbitMQ—along with testing/DevOps automation and pragmatic GenAI/RAG integration for operational workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Work Experience

Senior Software Engineer at Chewy Vet Care Clinic Clinical Operations & Practice Management Platform

January 1, 2025 - Present

Led full-stack development for an internal enterprise system supporting multi-location veterinary clinic operations (appointments, medical records, prescriptions, inventory, and billing) across 20+ clinic locations. Architected a cloud-native microservices platform using React/TypeScript, Node.js, AWS ECS/Fargate, Lambda, API Gateway, Docker, and Terraform, cutting new-clinic onboarding effort by 35%. Built a GraphQL BFF layer aggregating clinic/pharmacy/inventory/customer-portal data behind Kafka event streams and Redis caching, reducing cross-system lookup time by 42%. Orchestrated workflow state across appointment/visit/prescription/billing/fulfillment using Kafka domain events, reducing manual status reconciliation by 40%. Integrated an LLM API + RAG workflow for clinic operations documentation, improving cross-team support resolution speed by 20%. Modernized appointment scheduling with Redux Toolkit and RTK Query, improved workflow efficiency by 25%. Hardened security with RBAC/OA

Senior Software Engineer at Chewy

January 1, 2025 - Present

Led full-stack development for Chewy Vet Care Clinic clinical operations & practice management platform supporting expansion across 20+ veterinary clinic locations. Architected a cloud-native microservices platform using React, TypeScript, Node.js, AWS ECS/Fargate/Lambda, API Gateway, Docker, and Terraform, reducing onboarding effort by 35%. Built a GraphQL BFF aggregating clinic, pharmacy, inventory, and customer-portal data using Kafka event streams and Redis caching, cutting cross-system lookup time by 42%. Orchestrated workflow state transitions for appointments, visits, prescriptions, billing, and fulfillment with Kafka domain events, reducing manual status reconciliation by 40%. Integrated RAG-enabled knowledge retrieval for operational documentation, improving cross-team resolution speed by 20%. Modernized appointment scheduling state management using Redux Toolkit and RTK Query (25% efficiency gain), hardened security with OAuth2/JWT/RBAC and API Gateway policies (30% fewer per

Full-Stack Software Engineer at Sofi

October 1, 2023 - January 1, 2025

Contributed to the Fraud & AML Investigation Operations platform used by fraud analysts and AML compliance teams to investigate suspicious activity across banking/lending/account workflows with 50K+ monthly risk events. Built Node.js/Express services for fraud case lifecycle management and AML alert disposition with RabbitMQ-driven escalation routing on a REST-first architecture. Re-architected investigation console server-state with TanStack Query/React Query to cache and synchronize fraud case data, AML alert queues, and risk score dashboards, reducing analyst triage time from 22 minutes to under 15 minutes for high-priority queues. Introduced Zustand for client-side UI state (filters, layout, preferences), reducing UI bugs by 25%. Synchronized data across PostgreSQL fraud-case records, legacy MySQL KYC system, and Redis risk-profile caching using Prisma ORM for typed access while keeping legacy KYC behind REST adapters, reducing lookup time by 38%. Implemented OAuth2/JWT/RBAC author

Full-Stack Developer at SHEIN

August 1, 2020 - August 1, 2023

Worked on the Supplier Collaboration & Production Visibility platform used by supplier operations, production planning, merchandising, quality control, and vendor management teams to centralize supplier capacity, sample development, production scheduling, QC inspection, delivery risk alerts, and supplier performance analytics. Built React dashboards using Redux and React Router with incremental TypeScript adoption, integrating REST API responses backed by MySQL and Redis-cached endpoints to provide unified visibility for 600+ internal users. Converted manual supplier-tracking workflows into reusable frontend pages using Context API, REST APIs, and Ant Design-style components, reducing Excel-based status follow-ups by 35%. Improved large data-table experiences for schedules/QC/production orders using AG-Grid with pagination/filter persistence/column configuration (22% task-time reduction). Developed Node.js/Express REST endpoints documented with OpenAPI/Swagger for supplier profiles, pr

Frontend Developer at Ping An Insurance

September 1, 2017 - August 1, 2020

Contributed to the Intelligent Claims Operations platform used by claims adjusters, fraud investigators, QA reviewers, branch managers, and customer service escalation teams to manage claims queues, case status tracking, manual review tasks, fraud risk flags, SLA visibility, quality review records, and settlement workflow updates. Built React class components and Redux-based claims operations dashboard to support queues, case tracking, manual review tasks, fraud flags, and SLA visibility, reducing manual case-lookup time from 9 minutes to 5. Integrated Node.js/Express REST APIs for case search, workflow updates, damage assessment results, branch performance reports, and quality review records supporting 30K+ monthly workflow actions. Implemented JWT authentication and RBAC checks for 6+ user roles. Improved MySQL-backed case detail retrieval latency by 35% via REST integration and caching. Refactored duplicated Redux store updates and optimized large-table rendering, reducing load time