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I am a dynamic, results-driven senior software engineer with a passion for building scalable, secure, enterprise-grade applications. I specialize in full-stack development, modernizing legacy systems, and driving performance improvements across complex platforms. I design responsive front-end interfaces and robust back-end services while prioritizing accessibility, security, and high availability. I thrive in Agile, cross-functional, and remote teams. I’m motivated by solving difficult problems, mentoring others, and continuously improving testing, deployment automation, and collaboration to help organizations innovate faster.…I am a dynamic, results-driven senior software engineer with a passion for building scalable, secure, enterprise-grade applications. I specialize in full-stack development, modernizing legacy systems, and driving performance improvements across complex platforms. I design responsive front-end interfaces and robust back-end services while prioritizing accessibility, security, and high availability. I thrive in Agile, cross-functional, and remote teams. I’m motivated by solving difficult problems, mentoring others, and continuously improving testing, deployment automation, and collaboration to help organizations innovate faster.

Michael Sean King

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

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I am a dynamic, results-driven senior software engineer with a passion for building scalable, secure, enterprise-grade applications. I specialize in full-stack development, modernizing legacy systems, and driving performance improvements across complex platforms. I design responsive front-end interfaces and robust back-end services while prioritizing accessibility, security, and high availability. I thrive in Agile, cross-functional, and remote teams. I’m motivated by solving difficult problems, mentoring others, and continuously improving testing, deployment automation, and collaboration to help organizations innovate faster.…I am a dynamic, results-driven senior software engineer with a passion for building scalable, secure, enterprise-grade applications. I specialize in full-stack development, modernizing legacy systems, and driving performance improvements across complex platforms. I design responsive front-end interfaces and robust back-end services while prioritizing accessibility, security, and high availability. I thrive in Agile, cross-functional, and remote teams. I’m motivated by solving difficult problems, mentoring others, and continuously improving testing, deployment automation, and collaboration to help organizations innovate faster.

Available to hire

I am a dynamic, results-driven senior software engineer with a passion for building scalable, secure, enterprise-grade applications. I specialize in full-stack development, modernizing legacy systems, and driving performance improvements across complex platforms. I design responsive front-end interfaces and robust back-end services while prioritizing accessibility, security, and high availability.

I thrive in Agile, cross-functional, and remote teams. I’m motivated by solving difficult problems, mentoring others, and continuously improving testing, deployment automation, and collaboration to help organizations innovate faster.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer (Remote) at ALIGHT

January 1, 2023 - Present

Led development and modernization of a high-traffic retiree health insurance enrollment platform using Knockout.js, JavaScript, Bootstrap, HTML, CSS, and .NET Core 8 within a Web API architecture. Wrote unit tests with Moq and performed integration and end-to-end testing; contributed to test automation efforts. Migrated from .NET Framework 4.8 to .NET Core 8, upgrading legacy JavaScript libraries (jQuery/Knockout) for security and maintainability. Improved front-end accessibility by ~80% via WCAG-aligned enhancements. Managed SQL Server users via SSMS and supported production releases with rapid issue resolution. Participated in Agile/Scrum, performed peer reviews, and contributed to CI/CD pipelines with Azure DevOps.

Software Engineer at NEXTALK

January 1, 2022 - January 1, 2023

Spearheaded development of a real-time communication web app stack using Angular, TypeScript, JavaScript, Bootstrap, HTML, Azure SignalR, and C#/NET Core. Built from scratch with an Angular front end featuring real-time speech-to-text and a transcription storage backend. Elevated software quality by 30% through MSTest unit tests and robust testing. Drove architectural design for speech-to-text and inbox features.

Senior Software Engineer at NOVARAD

January 1, 2021 - January 1, 2022

Developed server-side software using C#, .NET Core, ASP.NET Web API, PostgreSQL, and Entity Framework. Optimized PostgreSQL queries for patient and doctor information retrieval and maintained an existing Web API for image data management. Built a high-performance image-management server-side application for healthcare institutions. Created a data generator with EF/SQL reducing data population time by 50% and produced onboarding documentation and Windows service data-exchange tooling.

Senior Software Engineer at VANT4GE

January 1, 2020 - January 1, 2021

Crafted software using C#, .NET Core, ASP.NET Web API, and SQL. Authored and integrated Web API methods on Azure with Docker for efficient assessment management. Implemented MSTest unit tests to ensure reliability and contributed to ongoing feature development to support recidivism-reduction initiatives.

Senior Software Engineer at CENTRIFY

January 1, 2018 - January 1, 2020

Led enterprise password vault project using C#, .NET Core, Azure, Docker, microservices, T-SQL, and JavaScript Sencha (Ext-JS). Deployed Docker-based Web API services in Azure to support secure, scalable password management. Contributed to front-end enhancements with Sencha, and performed QA to improve reliability and security.

Lead Developer at XENNSOFT

January 1, 2009 - January 1, 2018

Delivered software across a technology stack including Azure hosting, C#, .NET Framework/Core, MVC, ASP.NET, jQuery, JavaScript, Vue.js, MS SQL/T-SQL, Stored Procedures, Classic ASP, WCF, and RESTful services hosted in Azure. Guided Jira-based task tracking, mentored junior developers, and led testing and deployment of secure software in a fast-paced environment. Revamped front-end interfaces with Vue.js and modern JS, integrated legacy systems, and implemented robust security measures (OAuth) to protect exposed data.