RL

Open to opportunities

Richard Li

@richardli1

Senior full stack engineer specializing in C#/.NET, building scalable web apps and distributed systems.

What I'm looking for

I’m looking for a role where I can build clean, efficient C#/.NET microservices and APIs on cloud platforms, pair them with reliable testing and observability, and integrate AI-driven workflows to deliver real business impact.

I’m a Senior Full Stack Engineer with 9+ years specializing in C# and .NET technologies, focused on building scalable web applications and distributed systems. I design high-performance APIs and data-driven solutions, balancing speed with clean, maintainable code.

In recent roles, I designed and developed a workflow orchestration platform handling 1M+ requests per day, cutting API latency by 30%. I’ve built event-driven microservices using Azure Functions and Azure Service Bus, improved background processing throughput by 40%, and optimized high-traffic endpoints with Redis caching.

I also integrate AI/ML services into production workflows, implementing Python services (FastAPI, Pandas) and OpenAI API-powered data enrichment. I bring strong engineering practices—automated testing with xUnit/Moq/FluentAssertions, CI/CD with Jenkins, and observability via Application Insights and Serilog—to deliver reliable systems and continuous learning.

Experience

Work history, roles, and key accomplishments

AA

Current

Senior Full Stack Engineer

Current

Amazon Web Services (AWS)

Apr 2024 - Present (1 year 11 months)

Designed and developed a workflow orchestration platform in C#/.NET handling 1M+ requests per day and reducing API latency by 30%. Built event-driven microservices and AI-driven data enrichment workflows, improving background processing throughput by 40%.

C .NET 8+ASP.NET Core Azure Functions Azure Service Bus PostgreSQL Redis OpenAI API

AA

Full Stack Engineer

Amazon Web Services (AWS)

Aug 2018 - Apr 2024 (5 years 8 months)

Developed scalable C#/.NET and ASP.NET Web API backend systems supporting 500K+ daily transactions with high availability. Built integration services in Java/Spring Boot, deployed AWS infrastructure, and improved legacy processing time by 30%.

C .NET Core Web APIs Spring Boot RabbitMQ Angular SQL Server Docker

AA

Software Development Engineer Intern

Amazon Web Services (AWS)

Jun 2017 - Sep 2017 (3 months)

Built backend features in C#/.NET Framework and ASP.NET MVC for internal applications used by multiple teams. Implemented SQL Server data access with Dapper, fixing 20+ issues during testing cycles and adding unit tests with MSTest.

C .NET Framework ASP.NET MVC Dapper SQL Server MSTest Unit Testing Data Access Debugging Validation

Education

Degrees, certifications, and relevant coursework

UI

UC Irvine

Bachelor of Science, Computer Science and Engineering

2014 - 2018

Bachelor of Science in Computer Science and Engineering from UC Irvine from 2014 to 2018.

Availability

Open to opportunities

Location

United States

Authorized to work in

Job categories

Full Stack Engineer AI Engineer Front End Developer Back End Developer UI UX Designer UI UX Developer UI Designer Junior UI UX Designer Junior UI Designer UX Designer Junior UX Designer Full Stack Engineer DevOps Engineer Machine Learning Engineer Full Stack Developer

Skills

Typescript Javascript Typescript Nodejs Javascript Typescript React Typescript JavaScript (Node.Js Javascript (ES6)JavaScript (React)JavaScript Development JavaScript JQuery JavaScript NodeJS React ReactJS React Vue React Testing Library React Query React Hooks React Router React Redux React NextJS React Hook Form React 18+AngularJS Angular2 Angular 15+Angular 12+Angular 7 Angular 14 Angular React Vue.Js Vue Vue Router Vue.Js 3 Vuetify Vue3 Vue Next Next Next.js Node NodeJS Nest NestJS Express ExpressRoute ExpressJS Python 3 Python Django Python Programming Python Development Python (Azure ML SDK V2 And CLI)Python Or R Python Testing Frameworks Django Django REST Framework Flask API Java 8 Java 21+Java Development IDE Java Kotlin Java Programming Java Development PHP PHPUnit PHP 8+PHP Symfony PHP Framework PHP (Laravel)C#C# .NET C# .NET Core C# 12 C# 13 .NET Framework .NET 8.0 .NET Development .NET Developer MVC MVC Frameworks Go Ruby Ruby on Rails Ruby Rails GraphQL Ruby C Python Java TypeScript JavaScript SQL .NET 8+.NET 5 6 .NET Core ASP.NET Core ASP.NET MVC Web APIs Minimal APIs Blazor Entity Framework LINQ Dependency Injection Middleware fastAPI Flask Pandas NumPy scikit learn OpenAI API Prompt Engineering LLM Integrations Angular RxJS HTML5 CSS3 PostgreSQL Microsoft SQL Server MySQL Redis Docker Jenkins CI CD Pipelines Git xUnit NUnit MSTest Junit Mockito Moq Fluent Assertions Integration Testing Postman JMeter Microservices Architecture Distributed Systems gRPC Event Driven Architecture RabbitMQ Azure Service Bus OAUTH2 OpenID Connect JWT Application Insights Serilog Performance Monitoring .NET ASP.NET Amazon Web Services (AWS)Azure Functions Microsoft Azure Spring Boot Spring MVC WebAssembly

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