Carlos I.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Proven Software Expert with over 19,900 hours of experience as a Remote Developer / Engineer in technologies such as .NET/.NET Core, JavaScript, Angular, Node.js, Python, AWS, Azure, SQL Server, and more. Check my Upwork reviews for client testimonials. Highly skilled in the design and development of Object-Oriented Software with extensive experience in the following technologies: - JavaScript Frameworks: Knockout JS, Polymer, Node.JS, AngularJS, React, Sencha Ext JS - Languages: C#, VB.NET, Javascript, Python - Web Development: ASP.NET, ASP.NET MVC, ASP.NET Web API, WCF, RestFul APIs - APIs: HubSpot, Twilio, Retell AI, Facebook, Linkedin, Twitter, Proofpoint, Urban Airship API, JIRA Cloud REST API, TestRail API, Slack Web API, Azure REST API, Google Sheets API. - Infrastructure as Code (IaC): AWS CDK, CloudFormation, Pulumi, Terraform - Containerization: Docker, AWS ECR, Azure Container Registry - Cloud Services: AWS EC2, SQS, SNS, Secrets Manager, Lambda, CodeDeploy, Azure - Continuous Integration: GitHub Workflows/Actions, TeamCity, TFS, Jenkins - Databases: Supabase, SQL Server, SQL Server Reporting Services, SQL Server Management Objects, PostgreSQL, MySQL, MongoDB, Snowflake - ORM: XPO, NHibernate, Entity Framework, Dapper, IdeaBlade - Payment Gateway Integrations: Stripe, Merchant Partner, Payment Express, Moneris - Monitoring and Logging: Kibana, Loggly, DataDog, AppOptics, Retrace - Automation and BPM: N8N, Appian, RPA, BPM (Business Process Management), AgilePoint BPMS - Application Development Frameworks: DevExpress eXpressApp Framework (XAF), CSLA.NET, Visual Studio LightSwitch - Build Tools: NAnt, MSBuild - Windows Development: Windows Service Applications, Windows Workflow Foundation (WF) - Version Control: GIT, TFS, Subversion, Perforce - Project Management: ClickUp, JIRA, FogBugz, Pivotal Tracker, TFS, Bitbucket, GitHub, Atlassian's Confluence/GreenHopper/Bonfire - UI and Libraries: DevExpress Libraries & Controls, DevExtreme - Data Formats: XML, JSON - Office Integration: VSTO, InfoPath/Word/Excel/Visio Add-Ins, VBA, Google Apps Script - Development Methodologies: Agile Methodologies, Kanban Native Language: Spanish