09/10/2026 updated

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Senior E-commerce Backend Engineer - Shopware, Laravel, Payments & Integrations

Hồ Chí Minh, Vietnam
Only remote
Master in Software Engineering - FPT University (GPA 8.3)
Hồ Chí Minh, Vietnam
Only remote
Master in Software Engineering - FPT University (GPA 8.3)

Profile attachments

Nguyen-Hai-Dang-CV.pdf

About me

Senior backend engineer with 13+ years in Shopware, Laravel and e-commerce integrations. I work forward-deployed with EU enterprise clients, gathering requirements from stakeholders and shipping payment and AI features end to end. Fluent English, dependable, and easy to collaborate with.

PHPArtificial IntelligenceAmazon Web ServicesCakePHPE-CommercePython (Programming Language)LaravelPostgreSQLMySQLPayment GatewayPHP DevelopmentSymfonySystems IntegrationBackendApache KafkaFront End Software DevelopmentRestful ApiShopwareDockerMicroservices
PHP & Laravel Backend Development
Over 12 years of PHP development experience and 11+ years with Laravel, including CakePHP, Yii 2, and Symfony. Expertise in building scalable backend systems, RESTful APIs, and microservices architectures for enterprise e-commerce platforms.

Shopware & E-commerce Integrations
Deep specialization in Shopware development for European enterprise clients, including multi-platform e-commerce APIs, payment gateway integrations, DeepL/AI translation features, and crawler systems. End-to-end feature delivery as a forward-deployed engineer.

Microservices & Event-Driven Architecture
Proven track record designing and implementing microservices architectures using RabbitMQ, Kafka, Elasticsearch, and REST APIs. Successfully migrated monolithic applications to microservices, reducing processing times from hours to minutes with 99% uptime.

Databases & Performance Tuning
Strong expertise in MySQL, PostgreSQL, and MongoDB. Application of SQL best practices and performance tuning to ensure high availability and efficiency in production systems.

DevOps & Cloud Infrastructure
Hands-on experience with Docker, Kubernetes, Terraform, Jenkins, Helm, AWS, and GCP. Implementation of CI/CD pipelines to streamline deployment and infrastructure management.

AI & Machine Learning Integration
Experience in computer vision, CNN model design using TensorFlow, Keras, and SageMaker, as well as LLM/AI feature integration. Developed a facial expression recognition proof-of-concept for F&B customer recognition.

Frontend Technologies
Working knowledge of ReactJS, VueJS, Livewire, Filament, and Laravel Blade for building and supporting full-stack web applications.

Software Engineering Practices
Application of SOLID, DRY, KISS principles, Dependency Injection, Repository pattern, TDD/BDD, and Agile/Scrum methodologies to deliver maintainable and high-quality software.

Python & Data/ML Development
Development experience with Python using Django and data/ML frameworks, applied in both backend services and AI-driven feature development.

Experience

Professional experience10+ years
Freelancer since2016

Languages

EnglishFluent

Project history

Senior++ Software Engineer

NFQ Asia
Lead backend development for European enterprise clients (Shopware), with strong cross-cultural communication across APAC and EU teams. Gathered requirements directly from business stakeholders and shipped payment and AI-driven e-commerce features end to end as a forward-deployed engineer. Architected and documented technical solutions before implementation. Ran live demos at Shopware Community Day. Tech: PHP/Laravel, Shopware, MySQL, Docker, REST APIs, Event-Driven Architecture, Queue Systems. Team of approximately 8 across Vietnam and Germany.

Lead Backend Developer - MagnaTools Project

LinguFox (Magna Tools / Magnalister)
Translation management backend with DeepL integration, glossary management, version control, and multi-tenant architecture. Built RESTful APIs, auth/authorization, and handled database design and performance. Tech: Laravel, MySQL/PostgreSQL, OAuth/Passport, Queues, Docker, Event-Driven Architecture, CI/CD.

Senior Software Engineer

Diag Laboratories
Led migration of a monolithic application to microservices for a system collecting exam results from lab machines and serving doctors and patients across web and mobile. Cut lab-result processing from approximately 3 hours to approximately 3 minutes; eliminated missing lab-result PDFs; held 99% uptime on a live clinical system. Tech: Laravel, Kafka, Microservices, PostgreSQL, GCP. Team of 20, Agile/Scrum.

MSE Thesis Researcher - RestauAI Facial Expression Recognition

FPT University
Computer-vision proof-of-concept using CNNs for returning-customer recognition and emotion detection in F&B. Tech: Python, TensorFlow, Keras, SageMaker.

Lead Backend Developer - Diag Laboratories System

Diag Laboratories (diag.vn)
Monolith-to-microservices migration for a lab-results platform; result time cut from 3 hours to 3 minutes with 100% PDF accuracy and 99% uptime. Tech: Microservices, Kafka, data warehouse, Laravel.

Senior Principal Engineer

Datamart Solutions Pte Ltd
Owned the Social Commerce and PowerPaint modules for PowerSell from feature requirements with the PO team to codebase to team leadership. Built a tool to mass-decorate sellers products across multiple e-commerce platforms, and a hub to manage Instagram, Facebook and Zalo. Tech: Laravel, e-commerce platform APIs, MongoDB, MySQL, RabbitMQ, crawler system, big data. Team 5-10.

Lead Developer / PM - PowerSell Project

Datamart
Multi-platform e-commerce seller tools (PowerPaint + Social Commerce); company later acquired by a major e-commerce player. Tech: Microservices, e-commerce platform APIs, crawler system, realtime messaging.

Senior Developer / Projects Leader

Launch Deck, LLC
Daily communication and requirements gathering directly with US clients. Stabilized a young software division and defined its development process. Developed projects in Python, NodeJS and PHP; managed Jira and Confluence.

Project Manager / PHP Tech Lead

Infinity Core (Singapore)
Created SRS and technical documents; tracked progress and managed team members. Responsible for training, technical sharing, and improving development processes. Applied Agile/Scrum with Redmine and TeamCity (including full tool setup).

Product Manager / Project Leader

3S Intersoft JSC
Led a development team of 8; managed a product end to end from business and development perspectives. Developed web services, Android and iOS applications; built core components for training new PHP developers.

PHP Developer

3S Intersoft JSC
Developed web services, platforms and applications to customer requirements; built reusable core components.

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