Hire the Best Apache Developers in Ho Chi Minh City, VN

Top-Rated WordPress and Fullstack Developer | 8+ Years Experience | Founder of Wucode Tech Services Co, Ltd. I help businesses, startups, and agencies build, scale, and optimize their web presence. With 8+ years of hands-on experience and a 99.99% positive rating, I deliver fast, clean, and custom solutions - from frontend fixes to backend logic, from UI tweaks to server-level deployment. *** Fullstack + DevOps Skills: PHP ( Wordpress, Laravel ), Rest API, JavaScript, VueJS, jQuery Python3 HTML, CSS, Bootstrap Linux servers, Nginx, Apache CI/CD, Git, SSH, Cronjobs, Docker, Cloud deployment

Senior Backend Engineer with 10+ years of experience designing and building scalable backend platforms and cloud-based distributed systems. Strong expertise in Java, Spring Boot, and microservices architecture with production deployments on AWS. Experienced in building high-availability APIs, event-driven systems, and real-time services. Proven ability to improve system performance, reliability, and security while collaborating with global engineering teams. TECHNICAL SKILLS Languages: Java (8–17), JavaScript Backend: Spring Boot, Spring MVC, JPA, Hibernate, Google Guice, REST APIs, Microservices, WebSocket Frontend: AngularJS, Angular, React Messaging: Kafka, RabbitMQ Cloud & Infrastructure: AWS (EC2, S3, SQS, SNS, Lambda, Cognito, SES), Docker Databases: PostgreSQL, MySQL Observability: Elasticsearch, Logstash, Kibana (ELK) Security: OAuth2, JWT, Keycloak, OWASP Top 10 DevOps: Jenkins, Azure DevOps, Git, Bitbucket

Senior Sitecore & .NET Developer | Azure Certified | Enterprise Solutions Expert I specialize in building scalable, secure, and high-performance solutions for corporate websites, digital platforms, and cloud-native applications. What I can help you with ✅ Sitecore XP/XM Development ✅ Sitecore Upgrade & Migration ✅ ASP.NET Core & .NET Development ✅ Azure Cloud Architecture ✅ REST API & Microservices ✅ CI/CD with Azure DevOps & Jenkins ✅ Performance Optimization ✅ Production Troubleshooting & Support Technical Skills C# ASP.NET Core .NET Framework .NET 8 Entity Framework Core SQL Server Sitecore XP/XM Sitecore Headless Azure App Service Azure SQL Redis Service Bus Docker Azure DevOps Jenkins REST API Angular JavaScript TypeScript Certifications 🏆 Microsoft Certified: Azure Developer Associate (AZ-204) 🏆 Microsoft Certified: DevOps Engineer Expert (AZ-400) 🏆 Microsoft Certified: Azure AI Engineer Associate 🏆 Sitecore 10 .NET Developer Certification Industries Corporate Websites Real Estate Membership Platforms Digital Experience Platforms Enterprise CMS I focus on delivering clean architecture, maintainable code, and reliable solutions that help businesses scale. Let's discuss how I can help your project.

⏰ Available 24/7 – Long-term & High-impact Projects Hi, I’m Nghi, a Senior Data Engineer and Data Architect with a strong backend foundation, now focused on building high-performance analytics platforms, explainable data pipelines, and production-grade cloud architectures. I help companies transform unreliable, slow, or opaque data systems into scalable, well-documented, and business-trustworthy platforms. 🧠 WHAT I SPECIALIZE IN 🏗️ Data Architecture & Platform Design - Designing modern lakehouse & warehouse architectures - dbt-first analytics engineering with testing, freshness & lineage - Event-driven and batch hybrid pipelines - Data quality frameworks & SLA monitoring - Customer-facing data explainability systems Tools: dbt, Dagster, Airflow, Spark, Kafka, Snowflake, BigQuery, Redshift, PostgreSQL, DuckDB, ClickHouse ⚡ Database Performance Engineering - If your queries are slow, costs are high, or dashboards lag, This is my zone - Query plan analysis & index strategies - Warehouse cost optimization (Snowflake, BigQuery, Redshift) - OLTP & OLAP performance tuning - High-concurrency workload design 🔄 Reverse ETL & Operational Analytics - Syncing analytics back to CRMs & internal tools - Building real-time metrics pipelines - Feature-store style transformations 🕷️ Enterprise-grade Web Data Extraction - I don’t just scrape pages, I build durable data acquisition systems: - Complex ASP.NET, JS-heavy, authenticated & paginated systems - Anti-bot bypassing & failure-recovery pipelines - Headless browser automation + async scraping - Real-estate, finance, campaign-finance & marketplace platforms ☁️ Cloud Infrastructure - AWS | Azure | GCP - EMR / Dataproc / Glue / Dataflow / Synapse / BigQuery / Redshift - Terraform-based deployments - Cost-aware architectures - Kubernetes + Dockerized data services 🧪 What You Get Working With Me ✔️ Production-ready pipelines ✔️ Clean, testable dbt models ✔️ Well-documented architecture diagrams ✔️ Transparent data logic for non-technical stakeholders ✔️ Systems that scale beyond MVP ✔️ Honest advice and not over-engineering 🏆 Ideal Projects 👍 Data warehouse migrations 👍 Broken pipelines that need debugging & stabilization 👍 Analytics platforms that lack trust or explainability 👍 Performance bottlenecks costing thousands per month 👍 Long-term data platform ownership ❣️ Why Clients Stay Long-Term 🍀Clear communication 🍀 Business-first thinking 🍀 No black-box systems 🍀 I build systems others can maintain 🇻🇳🇻🇳🇻🇳🇻🇳 If your data platform feels fragile, slow, or impossible to explain to customers, I can fix that. Let’s make your data system something you can confidently stand behind.

Backend Engineer with 5+ years of experience building production systems with NestJS, TypeScript, PostgreSQL, Kafka, Django, React, and Next.js. I help product teams design reliable APIs, event-driven services, payment flows, AI-enabled features, and backend-first full-stack products. At Restaff, I build healthcare services with NestJS, Kafka, PostgreSQL, and Grafana. Previously at Immersio, I scaled a multi-tenant EdTech platform across a NestJS/Django backend and Next.js frontend, built Stripe and PayPal subscription infrastructure, and shipped LLM-powered features that reduced content preparation time by 80%. What I can deliver: • NestJS APIs and microservices • PostgreSQL schema design and query optimization • Kafka workflows and service integrations • Authentication, subscriptions, and payment integrations • Backend-first features with React and Next.js • Production debugging, observability, and refactoring • LLM feature integration Core stack: NestJS, TypeScript, Node.js, PostgreSQL, Kafka, Redis, RabbitMQ, Django, React, Next.js, Docker, Grafana, Stripe, and PayPal. I can own a feature from architecture and implementation through testing and production rollout.

Top 1% on Upwork: Top Rated Plus, 100% Job Success, 5.0★ (150+ reviews). I build production AI agents, RAG chatbots, LLM apps, AI automation, ETL data pipelines and web scraping. Founder of Van Data Team: 20+ AI products shipped, 9 of them live public platforms, for clients across the US, EU, and APAC. 🚀 WHAT I'VE SHIPPED (live products, real numbers) - Enterprise AI assistant: LangGraph Supervisor routing sub-agents across 70+ MCP tool integrations; web, PWA, iOS & Android from one React codebase - AI cybersecurity platform: fine-tuned Mistral 7B on 424k training samples; Neo4j knowledge graph + RAG - EdTech RAG platform: raised answer accuracy from ~80% to 95%+ (pgvector, LangChain, Claude) - Multi-tenant enterprise AI suite: 5-agent architecture with persistent memory, running at 94.7% platform health - Sales-KPI AI dashboard: cut LLM cost by 92% with Claude Haiku - My own SaaS: multi-tenant AI content agents, personalized per tenant (live product, see Portfolio section) 💬 AI AGENTS, AI CHATBOTS & LLM / GENERATIVE AI APPS (Full-Stack) - AI Agent Development: autonomous agents with tool calling, multi-step reasoning, and decision-making (LangGraph, LangChain, MCP) - Multi-Agent Systems: supervisor patterns, agent-to-agent communication, task delegation, workflow orchestration - AI Chatbot Development: customer-service bots, document Q&A, and conversational AI grounded in your business data (RAG / Retrieval-Augmented Generation, no hallucinations) - Custom MCP servers: turn your internal tools into capabilities for Claude, Cursor, and other LLM clients - Models & APIs: Claude (Anthropic), OpenAI API (GPT-4/4o), Gemini, DeepSeek, Llama 3, Hugging Face; AWS Bedrock, Azure OpenAI, Vertex AI - Vector databases: Pinecone, Milvus, ChromaDB, pgvector, FAISS + Neo4j graphs - Observability, evals & fine-tuning: LangSmith, Langfuse; LLM fine-tuning and machine learning for domain-specific tasks - Frontend: Next.js, React, TypeScript, Tailwind. Backend: Python (FastAPI, Flask, Django), NestJS, Node.js/Express, GraphQL Perfect for: AI automation, support automation, sales chatbots, document Q&A, intelligent search, workflow and business-process automation. ⚡ DATA ENGINEERING & ETL PIPELINES Production data infrastructure processing millions of records: - Pipelines: Apache Spark, Airflow, Dagster, dbt • Streaming: Kafka - Batch: AWS Glue, Google Dataflow, Azure Data Factory - Warehouses: BigQuery, Snowflake, Redshift, Athena, with optimized schemas plus HIPAA-style audit & lineage - Zero-downtime migrations to cloud warehouses 🕷️ WEB SCRAPING & DATA EXTRACTION - Platforms: Facebook, TikTok, LinkedIn, Shopify, HubSpot, QuickBooks, SaaS portals - Tools: Scrapy, Playwright, Selenium, Puppeteer, BeautifulSoup, Crawl4AI - Anti-bot: Cloudflare, CAPTCHA, rate limiting, solved with proxy rotation & monitoring - Output: clean CSV/JSON, SQL databases, or a ready-to-use API ☁️ CLOUD & DEVOPS AWS (Lambda, ECS Fargate, Glue, Athena, Redshift, SQS, EventBridge, EMR) • GCP (BigQuery, Cloud Run, Dataflow, Dataproc) • Azure (Data Factory, Databricks) • Docker, Kubernetes, Terraform, GitHub Actions & GitLab CI/CD • Monitoring: CloudWatch, Datadog, Prometheus, Grafana ✅ WHY CLIENTS PICK ME - Founder-led, senior-only execution: you work with me directly, no agency layer - AI-native workflow (Claude Code, Cursor, Copilot): 2-3x faster delivery, production quality - 6+ years across AI engineering, data engineering, and full-stack development - End-to-end ownership: architecture → code → deployment → monitoring - Clear communication: regular updates, transparent workflow, overlap with US/EU hours Let's build your AI solution. Send an invite or message me, and I'll reply with a concrete plan within hours.