You will get a secure, high-performance web application tailored to your business needs


Project details
I will develop a high-quality, secure, and scalable backend API tailored to your business needs. With years of experience in Java, Spring Boot, Node.js, and cloud platforms, I ensure clean architecture, fast delivery, and reliable integration. You’ll get well-documented code, optimized performance, and post-delivery support.
Programming Languages
HTML & CSS, JavaScript, JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$300
|
Standard
$600
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 10 days | 15 days | 25 days |
Number of Revisions | 2 | 3 | Unlimited |
Number of Pages | 3 | 6 | 10 |
Design Customization | - | - | |
Content Upload | - | ||
Responsive Design | |||
Source Code | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$30 - $80
Additional Revision
+$20
Additional Page
(+ 1 Day)
+$35
Design Customization
(+ 2 Days)
+$60
Content Upload
(+ 1 Day)
+$20
Source Code
(+ 1 Day)
+$25Frequently asked questions
About Vinh
Full-Stack & Emerging Tech Developer | AI, Blockchain, Golang, Java
Hanoi, Vietnam - 11:15 am local time
I’m a Senior Full-Stack Developer with 7+ years of experience building high-performance, scalable applications — from fintech & banking platforms to cutting-edge AI and blockchain solutions.
I combine deep expertise in enterprise software with fast adaptation to emerging technologies, enabling me to deliver future-proof solutions that stay ahead of market trends.
🔥 Trending & Emerging Technologies
AI & LLM: OpenAI API, LangChain, RAG pipelines, Chatbots, NLP, Speech-to-Text, Computer Vision (TensorFlow, PyTorch)
Web3 & Blockchain: Ethereum, Solidity, Smart Contracts, Polygon, NFT marketplaces, DeFi protocols
High-Performance Systems: Golang, Rust, Kafka, WebAssembly (Wasm)
đź’» Core Software Engineering Skills (Proven in production for 30K+ daily active users)
Backend: Java (Spring Boot, Vert.x, Javalin), Node.js (Express, NestJS), Golang, Python (FastAPI, Flask), Ruby on Rails, PHP (Laravel)
Frontend: ReactJS, Next.js, Angular, Vue.js, TailwindCSS
Cloud & DevOps: AWS, Azure, GCP, Kubernetes, Docker, Terraform, CI/CD pipelines
Messaging & Integration: RabbitMQ, Kafka, ActiveMQ, gRPC, REST, GraphQL
Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB
🏆 Notable Achievements
Led backend development for a payroll app serving 150,000+ users for a Standard Chartered Bank venture.
Migrated legacy systems to modern stacks, reducing load time by 50%.
Built multilingual API system enabling non-technical teams to manage translations instantly.
Delivered 50+ complex banking reports compliant with Vietnamese State Bank regulations.
🚀 Why Clients Choose Me
Versatile & Trend-Aware: Comfortable with both stable enterprise tech and fast-moving emerging stacks.
Fast Learner: Can master new frameworks & tools in days to meet project demands.
Clear Communication: Fluent English (IELTS 7.5, TOEIC 845) with professional client interaction.
💬 Let’s discuss how to bring your project to life — with technology that’s ready for today and built for tomorrow.
Steps for completing your project
After purchasing the project, send requirements so Vinh can start the project.
Delivery time starts when Vinh receives requirements from you.
Vinh works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis
Review provided requirements, clarify scope, confirm deliverables, and finalize technical plan.
Development & Testing
Build backend/API, integrate with necessary systems, and perform unit & integration testing.