Jonathan Ballen
@jonathanballen
Senior .NET systems engineer and developer building secure, scalable web and cloud solutions from business needs.
ColombiaWhat I'm looking for
I’m a .NET Systems Engineer/Developer with 6+ years in software and web application development, cloud services, and maintenance, including 3 years in requirements analysis. I translate business needs into scalable, secure solutions and focus on reliable delivery from analysis through production.
My work spans .NET/.NET Core and MVC backends with SQL Server and modern data platforms, alongside frontend engineering in React and Angular. I’ve developed REST/SOAP APIs, automated processing services, and maintenance workflows, including building customer-service automation and waste collection logistics web applications with self-management workflows.
I also bring DevOps and cloud experience, using CI/CD with Azure DevOps and tools like Git to support continuous deployment in Azure. In recent roles, I’ve delivered production-ready capabilities using Azure Functions, Azure App Services, and related Azure cloud resources, and I’ve collaborated closely with teams to ship creative, dependable solutions.
Experience
Work history, roles, and key accomplishments
Freelance Developer
Freelance
Jun 2024 - Present (1 year 10 months)
Developed web applications with React, PostgreSQL, Nginx, and n8n for waste collection logistics. Built automated REST customer service flows and integrated SOAP services with self-managed workflows.
WEB applications development on .NET core, SQL Server, MVC, APIS
Frontend aplications development on ReactJS and AngularJS
Continuous deployment with DevOps on Azure cloud
Azure functions, Azure app services, general Azure cloud resources
Developer
Neoris
Aug 2021 - Sep 2021 (1 month)
Organized and delivered web application development using visual .NET, MongoDB, MVC, and SQL. Built automated processing services and implemented integration of SOAP/REST APIs.
Senior Technical Analyst
Datasolutions de Colombia
Sep 2018 - Aug 2021 (2 years 11 months)
Developed web applications using visual .NET, MongoDB, MVC, and SQL. Implemented automated processing services and integrated SOAP/REST APIs.
Professional Programmer
Salud Total EPS
May 2016 - Sep 2018 (2 years 4 months)
Analyzed and developed software requirements for web applications using visual .NET, SQL Server, and MVC, including Telerik components. Developed SQL DTS workflows, handled sensitive information, and deployed production version releases.
Education
Degrees, certifications, and relevant coursework
Universidad Distrital FEUD
Mobile developer, Mobile Apps Development
2018 - 2018
Grade: 3.9
Activities and societies: Basic creation of apps in android and ios
Completed a 180-hour Mobile Apps Development program at Fundación de Egresados Universidad Distrital FEUD in September 2018.
Corp. Universitaria Remington
Professional Systems Engineer, Systems Engineering
2009 - 2015
Grade: 4.5
Activities and societies: Private university, reinforcement learning in audit
Completed a Professional Systems Engineer program at Corporación Universitaria Remington in Bogotá, starting august 2009
Corp. Universitaria Remington
Systems auditor, Systems Audit
2014 - 2014
Grade: 4.0
Activities and societies: Creating a audit matrix based in official certifications like ISO 9001
Completed Systems Audit training at Corporación Universitaria Remington in Bogotá in April 2014.
Tech stack
Software and tools used professionally
Availability
Location
ColombiaAuthorized to work in
Salary expectations
Social media
Job categories
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