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I am a results-oriented Senior Software Engineer with 10+ years of experience designing, developing, and deploying scalable full-stack applications using .NET, C#, ASP.NET, MERN stack (MongoDB, Express, React, Node.js). I excel at building high-performance backend services, RESTful APIs, and responsive frontends, and I have delivered cloud-native solutions on Azure and AWS. I have experience with real-time data pipelines and legacy modernization, and I am passionate about DevOps automation and delivering measurable business impact. I enjoy mentoring teams, leading cross-functional projects, and implementing best practices to ensure high-quality software delivery. I thrive in collaborative environments and strive to continuously improve architecture, performance, and user experience.…I am a results-oriented Senior Software Engineer with 10+ years of experience designing, developing, and deploying scalable full-stack applications using .NET, C#, ASP.NET, MERN stack (MongoDB, Express, React, Node.js). I excel at building high-performance backend services, RESTful APIs, and responsive frontends, and I have delivered cloud-native solutions on Azure and AWS. I have experience with real-time data pipelines and legacy modernization, and I am passionate about DevOps automation and delivering measurable business impact. I enjoy mentoring teams, leading cross-functional projects, and implementing best practices to ensure high-quality software delivery. I thrive in collaborative environments and strive to continuously improve architecture, performance, and user experience.

Jelerson Zhou

AI Engineer, Full Stack Developer, Web Developer, +5

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I am a results-oriented Senior Software Engineer with 10+ years of experience designing, developing, and deploying scalable full-stack applications using .NET, C#, ASP.NET, MERN stack (MongoDB, Express, React, Node.js). I excel at building high-performance backend services, RESTful APIs, and responsive frontends, and I have delivered cloud-native solutions on Azure and AWS. I have experience with real-time data pipelines and legacy modernization, and I am passionate about DevOps automation and delivering measurable business impact. I enjoy mentoring teams, leading cross-functional projects, and implementing best practices to ensure high-quality software delivery. I thrive in collaborative environments and strive to continuously improve architecture, performance, and user experience.…I am a results-oriented Senior Software Engineer with 10+ years of experience designing, developing, and deploying scalable full-stack applications using .NET, C#, ASP.NET, MERN stack (MongoDB, Express, React, Node.js). I excel at building high-performance backend services, RESTful APIs, and responsive frontends, and I have delivered cloud-native solutions on Azure and AWS. I have experience with real-time data pipelines and legacy modernization, and I am passionate about DevOps automation and delivering measurable business impact. I enjoy mentoring teams, leading cross-functional projects, and implementing best practices to ensure high-quality software delivery. I thrive in collaborative environments and strive to continuously improve architecture, performance, and user experience.

Available to hire

I am a results-oriented Senior Software Engineer with 10+ years of experience designing, developing, and deploying scalable full-stack applications using .NET, C#, ASP.NET, MERN stack (MongoDB, Express, React, Node.js). I excel at building high-performance backend services, RESTful APIs, and responsive frontends, and I have delivered cloud-native solutions on Azure and AWS. I have experience with real-time data pipelines and legacy modernization, and I am passionate about DevOps automation and delivering measurable business impact.

I enjoy mentoring teams, leading cross-functional projects, and implementing best practices to ensure high-quality software delivery. I thrive in collaborative environments and strive to continuously improve architecture, performance, and user experience.

Skills

Experience Level

Expert

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at Riot Games

February 1, 2025 - Present

Designed and launched a full-stack gaming platform (MERN + .NET) with RESTful API design, integrating user feedback loops and optimizing for mobile/desktop, resulting in a 25% increase in user adoption. Engineered high-throughput backend services using Python, .NET Core, and Node.js for real-time event processing for millions of concurrent players, improving server response times by 35%. Developed responsive React and Next.js frontends, translating UI/UX wireframes into high-quality interfaces, and enhanced user engagement across devices. Architected a RAG-based chatbot for real-time ad campaign support, which boosted response accuracy and decreased support workload by 30%. Implemented scalable serverless cloud infrastructure on Azure using Functions and Logic Apps, optimized data storage with Azure Cosmos DB, ensured 99.9% uptime, and streamlined CI/CD with Azure DevOps pipelines. Led cross-functional offshore teams, aligning deliverables with project goals and mentoring junior engine

Senior Full Stack Developer at Meta

June 1, 2022 - October 1, 2024

Developed scalable web applications and internal tools across Facebook, Instagram, and Messenger, collaborating with cross-functional teams to ensure seamless integration and high performance. Designed, implemented, and optimized full-stack features using React, Node.js, .NET 8+, and MSSQL, while integrating RESTful APIs with proper versioning and error handling to improve data flow and reliability for millions of daily users. Worked closely with AI and product teams to deploy machine learning models into production, which enhanced recommendation systems and personalized user experiences, and improved system efficiency and scalability. Optimized backend services and MSSQL database queries for high-traffic environments, applying indexing strategies and performance tuning, reducing latency and improving application responsiveness. Contributed to continuous integration and deployment pipelines, automated testing processes, and performance monitoring, which accelerated development speed an

.NET Full Stack Developer at Microsoft

October 1, 2019 - May 1, 2022

Architected and delivered high-traffic .NET applications (C#, .NET Framework, .NET Core, WebForms), improving system scalability to support millions of daily users. Designed and developed robust service and database solutions, improving system reliability, performance, and data integrity across multiple applications, while leveraging Azure SQL and App Services for scalable and maintainable deployments. Enhanced frontend and backend components using React/Redux and Node.js, while implementing Jest automated tests and Webpack bundling to ensure smooth deployments. Developed and optimized backend APIs and SQL Server databases, reducing average query times by 40% and supporting real-time data access for internal and customer-facing systems. Instrumented analytics events and dashboards to monitor feature adoption and drop-off, iterating on workflows that increased completion rates by 12%. Architected and enforced high-coverage unit testing for Microservices, strengthening code quality, mini

Software Engineer at Northrop Grumman

September 1, 2017 - September 1, 2019

Implemented responsive UI components using the MERN stack and JavaScript ES6+, creating seamless product pages while leveraging Redux for state management and ensuring cross-browser and mobile compatibility. Designed and developed RESTful APIs and microservices with Node.js, Express.js, and .NET, integrating PostgreSQL databases for product catalog management, pricing updates, and inventory tracking, which improved data consistency and operational efficiency. Integrated machine learning models into Python applications using TensorFlow, powering product recommendation widgets and search result filtering algorithms through JSON-based API endpoints. Delivered robust, unit-tested systems on schedule, ensuring high-quality software that met customer requirements and adhered to project deadlines.

Web Developer at Infotech International Group

April 1, 2016 - August 1, 2017

Built and maintained frontend features using React.js, Angular, TypeScript, and HTML5, creating seamless customer-facing shopping cart and checkout flows, while implementing Jest unit tests and Git workflows to ensure code quality. Provided ongoing efficiency, security maintenance, and patching on the website interface, ensuring the platform remained stable, secure, and fully functional after launch. Developed and maintained backend systems using C#/.NET with Entity Framework, designing efficient data models, implementing LINQ queries, and handling database migrations to ensure scalable and maintainable applications.

Senior Software Egnineer at Riot Games

April 14, 2026 - Present

Senior Software Egnineer at Meta

April 14, 2022 - October 14, 2024

Software Engineer at Microsoft

October 14, 2019 - May 14, 2022