⚡ Open to work — Java & PHP Backend

Duong Duy Danh

0
Years Experience
0
Backend Stacks
0
Transactions / year
0
Integrations Built
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Core Technical Skills

What I work with

4+ years building scalable backend systems across Java Spring Boot & PHP (Laravel / Phalcon) — from microservices and event streaming to API design and third-party integrations.

🍃
Java Ecosystem
Spring BootSpring MVCSpring DataSpring CloudMaven
🐘
PHP Ecosystem
LaravelPhalconBlade / VoltEloquent ORM
🔗
API & Integration
RESTful APIsWebhooksOpenAPIThird-party APIs
🗄️
Databases
Oracle SQLMySQLMongoDBElasticsearch
⚡
Message Queue & Streaming
KafkaKafka CloudEvent-driven arch
🏗️
Architecture & Design
MicroservicesDistributed SystemsPlugin Architecture
🖥️
Frontend
AngularNuxtJSJavaScriptjQueryBootstrap
🛠️
DevOps & Tools
DockerGitCloudflarePM2Postman
Professional Experience

Where I've worked

VNPT
Full-Stack Backend Developer
May 2023 → September 2025
1022 Citizen Feedback Portal Oct 2024 – Sep 2025
  • Microservice architecture with dossier workflows, state machines & permission-based access control
  • Built clean RESTful API contracts; collaborated on API specs with frontend team
  • Kafka-based event streaming for distributed notification delivery with eventual consistency
  • Elasticsearch indexing on 1M+ dossier records
  • Code reviews & mentoring — reduced production bugs by 30%
Spring BootSpring DataKafkaElasticsearchOracle SQLMongoDBAngular
iGate — Public Services Gateway Jul 2023 – Sep 2025
  • Nation-wide e-government platform with Kafka Cloud inter-service communication
  • Developed complex workflow engines for dossier handling, task routing & permission systems
  • Built APIs with webhooks for external partners; integrated payment & notification services
  • Search latency reduced by 60% via Elasticsearch indexing optimization
  • API response time improved by 45% through query & database index optimization
Spring BootKafka CloudElasticsearchMongoDBOracle SQLAngular
Hospital Information System (HIS) May 2024 – Jul 2024
  • Clinical workflow optimization & Oracle SQL performance tuning for patient data retrieval
  • JasperReports integration for dynamic medical report generation with complex data aggregation
JavaOracle SQLJasperReportsAngular
BIN Corporation Group
PHP Developer
Sep 2022 → Mar 2023
  • Built RESTful APIs & webhooks for payment processing, notifications & external data sync across 3+ platforms
  • Created reusable modular plugins & backend components for scalability
  • Designed MySQL schemas supporting multi-site content & complex business rules
PhalconMySQLJavaScriptjQueryBootstrap
SweetSoft Solutions
PHP Developer
Mar 2021 → Jun 2022
  • Designed custom plugins extending website functionality with maintainability & scalability
  • Tailored UI & database layouts to client-specific requirements
  • Architected MySQL schemas with data normalization & optimization
  • Agile delivery — high-quality code within tight deadlines
LaravelMySQLJavaScriptjQueryBootstrap
Freelance
Cloudflare & Frontend Developer
Oct 2025 → Present
  • Deploy & optimize NuxtJS apps on Cloudflare; configure SSL, cache rules, WAF & rate limiting
  • Performance-first development with SEO optimization & high-performance edge logic
NuxtJSCloudflareMySQLPM2
Impact & Metrics

Numbers that matter

4+
Years across Java Spring Boot & PHP Laravel / Phalcon
1M+
Transactions processed annually on e-gov platform
10+
Third-party services integrated (payment, notification, CRM)
60%
Reduction in search latency via Elasticsearch tuning
45%
API response time improvement through query optimization
30%
Fewer production bugs after mentoring & code reviews
Education

Academic background

Telecommunications University
Bachelor of Science — Telecommunications Engineering
Sep 2017 → May 2021
Languages
Vietnamese — NativeEnglish — Fluent
Contact

Let's connect

bash — contact.sh
duydanh@backend:~$ curl -X GET /api/contact
{
"name": "Duong Duy Danh",
"role": "Backend Engineer — Java & PHP",
"email": "duydanh2012.job@gmail.com",
"phone": "+84 337 136 172",
"status": "open_to_work"
}
duydanh@backend:~$
✉ Send Email 📞 +84 337 136 172 📄 Download CV