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I'm John Johnson, a Senior Full Stack Engineer with 10+ years building high-performance, cloud-hosted web platforms using C#/.NET, ASP.NET Core, GraphQL, and modern front-end frameworks. I design scalable microservices, event-driven patterns, and reliable CI/CD pipelines to deliver fast, secure software. I thrive in remote teams, mentor teammates, and enjoy turning complex problems into clean architecture, observability, and robust release processes. My strengths include performance tuning, data modeling, and building secure, maintainable systems.…I'm John Johnson, a Senior Full Stack Engineer with 10+ years building high-performance, cloud-hosted web platforms using C#/.NET, ASP.NET Core, GraphQL, and modern front-end frameworks. I design scalable microservices, event-driven patterns, and reliable CI/CD pipelines to deliver fast, secure software. I thrive in remote teams, mentor teammates, and enjoy turning complex problems into clean architecture, observability, and robust release processes. My strengths include performance tuning, data modeling, and building secure, maintainable systems.

John Johnson

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm John Johnson, a Senior Full Stack Engineer with 10+ years building high-performance, cloud-hosted web platforms using C#/.NET, ASP.NET Core, GraphQL, and modern front-end frameworks. I design scalable microservices, event-driven patterns, and reliable CI/CD pipelines to deliver fast, secure software. I thrive in remote teams, mentor teammates, and enjoy turning complex problems into clean architecture, observability, and robust release processes. My strengths include performance tuning, data modeling, and building secure, maintainable systems.…I'm John Johnson, a Senior Full Stack Engineer with 10+ years building high-performance, cloud-hosted web platforms using C#/.NET, ASP.NET Core, GraphQL, and modern front-end frameworks. I design scalable microservices, event-driven patterns, and reliable CI/CD pipelines to deliver fast, secure software. I thrive in remote teams, mentor teammates, and enjoy turning complex problems into clean architecture, observability, and robust release processes. My strengths include performance tuning, data modeling, and building secure, maintainable systems.

Available to hire

I’m John Johnson, a Senior Full Stack Engineer with 10+ years building high-performance, cloud-hosted web platforms using C#/.NET, ASP.NET Core, GraphQL, and modern front-end frameworks. I design scalable microservices, event-driven patterns, and reliable CI/CD pipelines to deliver fast, secure software.

I thrive in remote teams, mentor teammates, and enjoy turning complex problems into clean architecture, observability, and robust release processes. My strengths include performance tuning, data modeling, and building secure, maintainable systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Astronomer

August 31, 2023 - October 20, 2025

Architected multi-service eCommerce platform on .NET Core/.NET 8 handling millions of daily actions (payments, shipping, inventory). Built REST/GraphQL endpoints, CQRS/MediatR, and event-driven patterns; implemented health checks, security gates, and health monitoring. Improved MTTR and incident response; strengthened pipelines with GitHub Actions and hardened containers for predictable releases. Technologies: .NET Core/.NET 8, ASP.NET Core, GraphQL, Kafka, Redis, Docker/Kubernetes, AWS, Azure, App Insights, SQL Server.

Senior Full Stack Developer at Private ASP.NET Projects

April 30, 2017 - October 20, 2025

Delivered ASP.NET MVC + AngularJS inventory management apps with rich filters and visualizations to improve user efficiency. Implemented AJAX/jQuery real-time updates; secured Web API with OAuth 2 for reliable data exchange. Tuned SQL Server queries and stored procedures; improved retrieval speeds by ~50% across reports and workflows. Managed AWS stack (EC2, RDS, S3, Lambda) to achieve high uptime; automated deployments with Azure DevOps.

ASP.NET MVC / AngularJS Developer at On-site DevExpress

June 1, 2014 - October 20, 2025

Delivered ASP.NET MVC + AngularJS inventory apps with rich filters/visualizations; improved user efficiency. Implemented real-time updates and secured REST APIs; optimized SQL Server performance; contributed to AWS deployments and CI/CD.