Temciuc Valentin

Developed backend APIs using Node.js and Python (FastAPI) to support wound graft workflows, distributor hierarchies, and patient management systems. Implemented role-based access control across distributors, sales reps, doctors, finance, shipping, IVR, and admin users. Designed and optimized PostgreSQL schemas and indexing strategies, improving average API response time by ~20%. Built React and TypeScript frontend components for operational dashboards and workflow tracking. Created a payment trend dashboard with historical data visualization and AI-assisted payment volume forecasting. Integrated Kafka-based messaging for asynchronous workflow updates, reducing processing delays by ~15%. Containerized backend services with Docker and supported Kubernetes-based deployments. Deployed and maintained services on AWS, contributed to CI/CD automation pipelines, supported WordPress marketing site, and used ClickUp for sprint planning and cross-team collaboration.

Built scalable marketplace web applications using React, Ember.JS, Ruby on Rails and Python/Django; developed and maintained GraphQL and REST APIs; implemented microservices for bookings, payments, and notifications; built admin and host dashboards; optimized performance with Redis and Elasticsearch; designed and managed PostgreSQL/MySQL databases; deployed on AWS with Docker, Kubernetes, and CI/CD pipelines; collaborated cross-functionally with designers, product managers, QA, security, and accessibility teams.

Designed and developed REST APIs using ASP.NET, Java Spring Boot, and TypeScript-based services; implemented Spring Security-based authentication and RBAC; enhanced payout and scheduling logic; built mobile-optimized web interfaces; integrated WalletConnect-based secure wallet flows; designed Go-based on-chain read/transaction layers with high success rates in test/staging.