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Quan Tran

@quantran

Fullstack Developer at Enterprise Banking System, building Node.js and Angular features for complex financial workflows.

Vietnam

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At Enterprise Banking System, I develop Node.js and TypeScript back-end features and Angular 19 features for complex financial workflows, integrations, and data management. I also investigate data consistency and production issues across the platform.

At EM&AI JSC, I designed and developed real-time services for a conversational AI platform, with WebSocket and FreeSWITCH integrations supporting 100+ concurrent voice calls per service instance. I also led system design and back-end architecture, and worked on the Vagent.ai LLM chatbot platform integrating services, APIs, databases, and messaging channels.

Experience

Work history, roles, and key accomplishments

Current

Fullstack Developer

Current

Enterprise Banking System

Feb 2026 - Present (8 months)

Developed enterprise back-end features with Node.js, TypeScript, Azure Functions and REST APIs. Built APIs and serverless functions for complex workflows, validation, RBAC, versioning and system integrations.

NodeJS TypeScript Azure Functions REST APIs Angular 19 Azure Cosmos DB MongoDB Azure Application Insights

Technical Leader / Software Engineer

EM&AI JSC

Oct 2021 - Feb 2026 (4 years 4 months)

Designed and developed Node.js/TypeScript back-end services for real-time, high-concurrency workloads. Led system design, code reviews, release planning and technical delivery for the engineering team.

NodeJS TypeScript WebSockets Freeswitch RabbitMQ Redis MongoDB PostgreSQL Docker Kubernetes Helm ArgoCD Jenkins Prometheus ELK AES 256 RSA 2048 Angular 17 Python Flask

Remote Developer (freelance)

Tupme.com

Jan 2024 - May 2025 (1 year 4 months)

Developed back-end services in Go and PostgreSQL and maintained application APIs. Designed and provisioned AWS infrastructure as code with CloudFormation and deployed containerized services on AWS ECS.

Go PostgreSQL AWS CloudFormation AWS ECS Lambda CDN Docker

Backend Remote Developer (freelance)

Digital Unicorn

Jan 2022 - May 2023 (1 year 4 months)

Built secure Node.js (HapiJS) back-end APIs for onboarding, balances and financial transactions. Integrated MangoPay and Stripe Connect and handled asynchronous transaction workflows.

NodeJS Hapi.js Mangopay Stripe Connect Docker Docker Compose EC2

JavaScript Developer

SNT Solutions

Oct 2020 - Sep 2021 (11 months)

Developed and maintained Node.js/NestJS back-end services and REST APIs with MySQL and Redis. Worked with React.js, Git-based workflows and international project teams.

NodeJS NestJS REST APIs MySQL Redis React Git