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Skills

  • Java
  • ReactJS
  • Spring Boot
  • AWS
  • PostgreSQL
  • Amazon Web Services
  • API Development
  • Docker
  • Docker Software
  • Front End Development
  • Lancedb
  • LangChain
  • MongoDB
  • Rag
  • React

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Services

  • JAVA / Spring boot

    $35/hr Starting at $1K Ongoing

    Dedicated Resource

    As a backend engineer with strong expertise in Java, Spring Boot, and microservice-based architectures, I build production-grade backend systems that power mission-critical applications ā€” combining high...

    Administrative AssistantAI BotAmazon Web ServicesAPI DevelopmentArzure

  • AWS + GCP + Azure Web

    $30/hr Starting at $250 Ongoing

    Dedicated Resource

    I architect and automateĀ end-to-end cloud infrastructures that are resilient, secure, and fully observable ā€” designed for continuous delivery and operational excellence. My focus is to empower teams with...

    Amazon S3Amazon Web ServicesArzureAWSAWS Aurora

  • AI Agent Development (LangChain & LLM)

    $40/hr Starting at $5K Ongoing

    Dedicated Resource

    I design and deployĀ intelligent AI agents built onĀ LangChain, LLM (Large Language Models), andĀ retrieval-augmented architectures that can reason, recall, and act ā€” enabling real-time automation, context-aware...

    Ai AgentAI BotAWSDocker SoftwareHealth

  • React.js Web (CRA, SSR, Next.js, Gatsby)

    $30/hr Starting at $250 Ongoing

    Dedicated Resource

    I am a WebMaster with over 3 years of professional experience specializing in React.js development, building scalable and modern web applications. My expertise includes Redux for state management, Umi...

    AI BotAmazon Web ServicesAPI DevelopmentArzureAWS

About

Software Engineer - Java | Kubernetes | DevOps | React | Langchain

šŸš€ Building Scalable Systems with Precision and Purpose

My name is Yi Long Piao who is a results-driven Software Engineer specializing in Java / Spring Boot, Kubernetes, Cloud Infrastructure (AWS, GCP, Azure), and AI Agent Development using LangChain.
From backend microservices to DevOps automation and intelligent front-end systems, I deliver reliable, production-ready solutions that power business growth and innovation.

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*** I donā€™t just build software ā€” I build systems that evolve with your business. ***
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šŸ’” Who I Am
- Full-stack software engineer with a strong foundation in Java (Spring Boot) and modern DevOps practices
- Experienced in Kubernetes orchestration, CI/CD pipelines, and infrastructure as code (Terraform / Helm)
- Skilled in building LangChain-based AI agents for automation, knowledge retrieval, and decision support
- Proficient in React.js for developing fast, responsive UI experiences
- Passionate about integrating AI with enterprise systems to create intelligent, scalable solutions


āš™ļø Core Expertise
- Backend Development
Java / Spring Boot | REST APIs | Microservices Architecture | Message Queues | Event-Driven Systems

- DevOps & Infrastructure
Docker | Kubernetes | CI/CD (Jenkins, GitHub Actions) | Terraform | Helm | Monitoring & Logging (Prometheus, Grafana)

- Cloud Platforms
AWS (EC2, EKS, Lambda, RDS)
Google Cloud Platform (GKE, Cloud Run, BigQuery)
Microsoft Azure (App Services, AKS, Blob Storage)

- AI & Automation
LangChain | OpenAI | LLM Integrations | Retrieval-Augmented Generation (RAG) | Vector Databases | AI Agents

- Frontend
React | TypeScript | Next.js | REST / GraphQL | UI Component Libraries (Material UI, Ant Design)



šŸ” My Process
Requirement Analysis ā€” Deeply understand technical and business goals.
System Design ā€” Architect scalable solutions integrating backend, AI, and DevOps.
Development & Testing ā€” Implement clean, maintainable code with automated testing.
Deployment & Monitoring ā€” Deliver production-grade solutions with observability and reliability.
Continuous Improvement ā€” Optimize systems and scale with data-driven feedback.


šŸŒ Work Terms
Turnaround Time: 1 Business Day response guaranteed
Availability: Flexible across time zones (Asia & US)
Engagement Models: Fixed Price or Hourly based on scope
Payment Security: SafePay / Escrow milestone model


šŸ’¬ Letā€™s Build Something Powerful
If youā€™re looking for an engineer who can design robust Java microservices, deploy Kubernetes clusters, automate CI/CD, and integrate AI agents using LangChain,
I can help bring your vision to life.

Work Terms

Hourly rate: 35$/h.
Fixed project: 1000usd.