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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 AssistantAmazon Web ServicesAPI DevelopmentArzureAWS

  • 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 AgentAWSDocker SoftwareJavaJenkins

  • 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...

    Amazon Web ServicesAPI DevelopmentArzureAWSBack End Development

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.