Joel Wittels

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Full Stack .Net Developer/ Javascript Developer

Jack Henry & Associates

Sep 2021 - Current (4 years 10 months)

Designed and led the development of scalable web applications with ASP.NET Core (.NET 6.0/7.0) using SQL Server, MongoDB, and Azure Cosmos DB. Implemented microservices architecture with Docker, Kubernetes, RabbitMQ, and Apache Kafka for enterprise solutions. Built full-stack applications with React, Angular, Vue.js, and Node.js, ensuring responsiveness and efficiency. Established CI/CD pipelines with Azure DevOps, Jenkins, and GitHub Actions, managing cloud infrastructure with Terraform and Ansible. Deployed monitoring solutions using ELK Stack and Azure Application Insights, optimizing performance for high-traffic applications. Ensured compliance with HIPAA, GDPR, and SOX while implementing secure authentication with OAuth 2.0 and JWT. Le

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Full Stack .Net Developer/ React

Async7

Sep 2013 - Jan 2018 (4 years 5 months)

Led web application development using ASP.NET Core and .NET Framework (4.5, 4.8) Designed RESTful APIs with Entity Framework Core, integrating React.js 15 and Angular 3 for responsive interfaces Enhanced legacy systems through .NET Framework to .NET Core migration Implemented DevOps practices with Azure DevOps CI/CD pipelines Managed project lifecycles and Agile methodologies, reducing development time by 25% Utilized containerization (Docker, Kubernetes) and serverless architectures Integrated monitoring solutions using Azure Application Insights Mentoredjunior developers and maintained strong client relationships

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Full Stack Developer

Encomia

May 2006 - Aug 2013 (7 years 4 months)

• Developed secure C# client/server and web applications, including both commercial and enterprise solutions • Built rich UI interfaces using third-party component libraries • Implemented enterprise applications with ASP.NET MVC and C#, focusing on business logic and user authentication • Created modular components and services using Angular to enhance code reusability • Established CI/CD pipelines in Azure DevOps to streamline development workflow • Performed application debugging using tools like Postman and Fiddler • Created comprehensive technical documentation and user guides for knowledge sharing

Full Stack Developer

ICON Clinical Research

May 2003 - May 2006 (3 years 1 month)

Led development of a clinical trials management portal with over 1 million lines of code. Developed a fully dynamic ASP.NET web interface for IVR. Designed and integrated ASP.NET with legacy ASP systems. Implemented a supply chain algorithm for titration studies using probability-based calculations. Created complex multi-level reports using advanced T-SQL. Built ASP.NET and C# web applications, enhancing UI/UX with Bootstrap andjQuery. Managed SQL Server databases, writing stored procedures and optimizing queries. Participated in code reviews, adopting best practices from senior developers. Explored Azure cloud solutions and contributed to application deployment.

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