Open to Opportunities · Senior Software Engineer

Linghan Kong

6+ years building high-availability cloud systems.
.NET 8 · AWS · Kubernetes · AI Engineering

📍 Chengdu, CN

150%
API Performance Boost
30%
Cloud Cost Reduction
60%
Availability Increase
6+
Years Experience
001 — About Me

Building Systems
That Scale.

Senior Software Engineer with 6+ years of experience designing and delivering high-availability, cloud-native architectures across multinational enterprise environments. Expert in Java, .NET 8, C#, and modern cloud infrastructure.

I specialize in the intersection of performance engineering and AI augmentation — from modernizing legacy payment engines and orchestrating Kubernetes clusters to integrating LLMs into real production workflows.

Currently at HCL as Senior Software Engineer, leading architectural evolution of mission-critical BPM systems and driving AI-augmented delivery that boosted sprint velocity by 20%.

🏆 AWS Certified Solutions Architect 🤖 Anthropic Claude Code Certified 🥇 Outstanding Employee — Top 5%
☁️
Cloud & DevOps
AWS, Kubernetes, Terraform, Helm, CI/CD pipelines at enterprise scale
🤖
AI Engineering
MCP, Claude Code, LLM integration, agentic workflows in production
⚙️
Backend Systems
.NET 8, Java, DDD, Microservices, Event-Driven, EF Core
🔬
Reliability
TDD, Contract Testing, Datadog, OpenTelemetry, Pactflow
002 — Experience

The Journey.

HCL

Apr 2024 – Present
Senior Software Engineer

Orchestrating the architectural evolution and full-stack delivery of high-availability enterprise BPM systems.

  • Spearheaded AI-augmented engineering by integrating Claude into team workflows, increasing sprint velocity by 20%
  • Transformed CI/CD pipelines using Jenkins & Bitbucket, accelerating deployment velocity by 40%
  • Orchestrated cloud-native infrastructure with Terraform & CloudFormation, achieving 30% reduction in AWS expenditure
  • Architected scalable microservices ecosystem on Kubernetes/Helm for high-traffic enterprise workloads
  • Mentoring cross-functional teams on .NET 8 best practices and modern React patterns
.NET 8KubernetesTerraform JenkinsClaude AIBPM

iHerb

Sep 2023 – Mar 2024
Senior Software Engineer

Led the architectural modernization and performance refactoring of the global e-commerce refund engine.

  • Revolutionized API performance via Unit of Work pattern with EF Core — 150% increase in average response rates
  • Designed domain-driven validation layer standardized across enterprise, reducing production logic errors
  • Engineered file-processing framework using AWS S3, adopted as benchmark across 3+ cross-functional teams
  • Identified and eliminated critical production memory leaks through advanced stack dump analysis and GC tuning
.NET 6DDDEF Core AWS S3Unit of Work

Thoughtworks

Apr 2021 – Mar 2023
Senior Software Engineer

Consulted on high-stakes digital transformations for multinational equipment auction and tax integration platforms.

  • Boosted application availability by 60% through Styra OPA implementation and optimized HPA scaling
  • Engineered one-click local K8s dev environments with Helm, significantly minimizing Time-to-Code
  • Designed resilient distributed messaging architecture using AWS SQS & Lambda with robust DLQ strategies
  • Facilitated technical workshops, mentored junior talent, fostering a culture of TDD and clean architecture
KubernetesAWS SQSLambda Styra OPAHelmTDD

Duoyi Network

Jul 2020 – Mar 2021
Software Development Engineer

Developed core components for high-concurrency internal OA systems and complex workflow engines.

  • Built mission-critical salary and approval engine in .NET Core, supporting multi-role complex corporate workflows
  • Enhanced system concurrency by 30% through strategic Redis caching layers and connection pooling
  • Defined RESTful API standards reducing integration friction between front-end and back-end teams
  • 🏅 Awarded "Outstanding Employee" (Top 5%) for exceptional technical contributions
.NET CoreRedisDDD MicroservicesRESTful API
003 — Projects

Selected Work.

LuminaryGem iOS

2025

Architected an agentic UI pipeline integrating Figma MCP with Claude Code, enabling automated generation of Flutter widgets directly from design tokens. Reduced UI boilerplate by 40%.

FlutterDart Claude CodeFigma MCP
ERP 2.0
Internal Platform

CRM & ERP Modernization

2024–Now

Full-cycle ERP rebuild using .NET 6 and DDD. Applied DDD principles to decouple complex business domains. Automated deployments via Bitbucket Pipelines with zero-downtime Kubernetes releases.

.NET 6DDD KubernetesBitbucket
REFUND
iHerb

iHerb Refund Engine

2023–2024

Architectural modernization of a global e-commerce refund engine. Boosted API response by 150% via Unit of Work + EF Core. Eliminated critical memory leaks through GC tuning.

.NET 6EF Core AWS S3DDD
AUCTION

Ritchie Bros 2.0

2022–2023

Enterprise-scale heavy machinery auction platform with real-time bidding and multinational tax modules. Optimized DB performance by 70% via SQL refactoring. Established Pactflow contract testing.

MicroservicesPactflow SQLReal-time

Xero-go Financial Automation

2021–2022

High-throughput tax automation platform using AWS Lambda & SQS. Integrated OCR for invoice automation. Achieved 100% unit test coverage with generic validation framework.

AWS LambdaSQS OCRAngularJS
OA 3.1
🥇 Outstanding Employee

Transaction 3.1 Enterprise OA

2020–2021

Enterprise OA system based on DDD and microservices for complex approval workflows. Increased concurrency by 30% via Redis caching. Awarded Top 5% Outstanding Employee.

.NET CoreDDD RedisMicroservices
004 — Skills

Tech Stack.

☁️

Cloud & DevOps

AWS EKSLambdaSQS S3RDSKubernetes HelmTerraformCloudFormation JenkinsIstioCI/CD DockerDatadogOpenTelemetry OPA & Vault
🤖

AI & Agentic Engineering

MCPClaude CodeOpenclaw Prompt EngineeringLanggraph ClaudeGeminiOpenAI Figma MCPAgentic Workflows
⚙️

Backend & Architecture

Java.NET 8/CoreC# DDDMicroservicesEF Core KafkaRedisSQL Server RustPython Event-Driven ArchitecturePactflow
🎨

Frontend & Reliability

ReactTypeScriptVue.js FlutterAngularJS TDDContract Testing DatadogOpenTelemetry

🎓 Education

Wuchang Shouyi University
Bachelor of Software Engineering
Sep 2016 – Jun 2020

🏅 Certifications

AWS Certified Solutions Architect
Amazon Web Services
Jan 2023
Claude Code Certification
Anthropic
Apr 2026
005 — Contact

Let's talk.

Open to senior/staff engineering roles, consulting, and AI-driven architecture projects.

GitHub | 📍 Chengdu, CN | 🌐 English · Chinese