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Hi there, I am

Romeo Nguyen.

Tech Lead | Engineering Manager | Senior Full Stack/Backend Developer

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Services

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Mobile App Development

I create captivating mobile apps from concept to deployment for iOS and Android. Using cutting-edge technologies, I ensure seamless performance, intuitive interfaces, and robust functionality that align with your business goals. Enjoy a flawless user experience and outstanding results.

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Web Development

I deliver stunning, user-friendly websites to establish your online presence. From simple sites to complex e-commerce platforms, I provide tailored solutions using the latest frameworks and technologies for a seamless, responsive, and SEO-friendly browsing experience. Enhance your online identity with quality.

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Backend Development

I enhance digital applications with robust, scalable backend infrastructures. I develop efficient database structures, APIs, and configure servers for optimal performance, security, and scalability, ensuring your applications handle high traffic and complex data management seamlessly. Rely on strong backend solutions.

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Product Strategy

I collaborate to define clear goals, target audiences, and a success roadmap. My expertise in product ideation and market analysis ensures your product meets user needs and aligns with your business strategy for long-term growth and full potential realization. Drive your product's success with strategic planning.

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DevOps

I streamline development and operations processes through effective DevOps practices. I implement continuous integration and deployment pipelines, manage cloud infrastructure, and use containerization to ensure efficient, reliable, and scalable software delivery. Improve your workflow with DevOps solutions.

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Database Management

I manage and optimize your database systems for performance, reliability, and scalability. With expertise in SQL and NoSQL databases, I design schemas, write complex queries, and implement best practices for data integrity and security. Ensure your data is managed effectively and efficiently.

Experiences

- Present

Open to Work

@Tech Lead | Engineering Manager | Senior Full Stack/Backend Developer

Jul 2021 - Oct 2023

Technical Manager

@Neopay Corporation

Manage the development team (5–20 members): recruit, train, mentor, manage KPIs, and organize team-building activities.

Design system architecture, write technical specifications, research new technologies, and guide the team in applying them.

Define coding standards, develop service templates and core systems (e.g., core wallet, payment), and create reusable libraries.

Coordinate and support cross-functional teams, including Development, Product, Quality Control, Project Management, Business Analysis, Design, Operations, Accounting, Infrastructure, and Human Resources.

Lead and manage Team Leaders by providing direction, coaching, mentoring, and performance feedback.

TypeScriptNode.jsReactReact NativePostgreSQLMongoDBRedisDockerKubernetesAWSCI/CDScrumDDDTDDClean ArchitectureMicroservicesSOLIDSaga OrchestrationEvent SourcingCQRS

Oct 2016 - May 2021

Technical Team Leader, Developer

@Finviet JSC

Manage a developer team (5–10 members): recruit, train, mentor

Build monitoring systems and guide the operations team, collaborating closely to quickly identify and resolve bugs.

Develop functional features, review team members' code, fix bugs, deploy to servers, and roll out products.

Lead and manage Team Leaders by providing direction, coaching, mentoring, and performance feedback.

TypeScriptJavascriptNode.jsExpressJSWebsocketRestfulMongoDBActiveMQRedisAngularJSAngularPassportJSELKJWTMicroservicesSOLIDSaga ChoreographyEvent Architecture

Dec 2015 - Dec 2016

Senior Software Engineer

@VNG Corporation(Payment Team)

Manage iOS team (3 members) cum developer

Receive requirements, analyze them, guide the team in implementation

Ensure the progress of related projects

Object COCRJava coreAngularJSRestful

Jul 2010 - Jun 2014

Java Developer, Team Leader

@M_Service JSC(Momo)

Develop assigned projects under the guidance of superiors

Train and guide team members to complete their tasks

JAVAOracleMysqlWebserviceSoapRestful

Skills

Programming Languages

logo-JavaScript

JavaScript

logo-TypeScript

TypeScript

logo-Dart

Dart

Frontend Development

logo-Next.js

Next.js

logo-React.js

React.js

logo-HTML

HTML

logo-CSS

CSS

logo-SASS

SASS

logo-Redux Toolkit

Redux Toolkit

Backend Development

logo-Node.js

Node.js

logo-Express.js

Express.js

logo-Socket.io

Socket.io

Mobile App Development

logo-Flutter

Flutter

logo-GetX

GetX

Database Management

logo-MongoDB

MongoDB

logo-PostgreSQL

PostgreSQL

logo-MySQL

MySQL

DevOps/VCS

logo-Docker

Docker

logo-AWS

AWS

logo-Git

Git

logo-GitHub

GitHub

Miscellaneous

logo-Firebase

Firebase

logo-Ubuntu

Ubuntu

Nontechnical Skills

logo-Problem Solving

Problem Solving

logo-Collaboration

Collaboration

logo-Analytical Skills

Analytical Skills

Recent Works

Updating...