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I am a Senior Software Developer with 18+ years of experience designing, building, and modernizing enterprise-scale applications across distributed systems and long-lived platforms. I specialize in C#/.NET Core, SQL Server, React, GraphQL, REST APIs, CI/CD, Docker, scalable microservices, and modern SPA development. I focus on AI-assisted engineering and LLM-driven workflows to accelerate software delivery, improve debugging and system analysis, optimize code quality, and enhance engineering efficiency in enterprise environments. I have led technical initiatives, modernized legacy systems, mentored developers, and delivered scalable backend and frontend solutions using modern software architecture and cloud-based technologies. I thrive in collaborative Agile teams, drive best practices, and continuously pursue opportunities to apply AI and automation to improve performance and quality.…I am a Senior Software Developer with 18+ years of experience designing, building, and modernizing enterprise-scale applications across distributed systems and long-lived platforms. I specialize in C#/.NET Core, SQL Server, React, GraphQL, REST APIs, CI/CD, Docker, scalable microservices, and modern SPA development. I focus on AI-assisted engineering and LLM-driven workflows to accelerate software delivery, improve debugging and system analysis, optimize code quality, and enhance engineering efficiency in enterprise environments. I have led technical initiatives, modernized legacy systems, mentored developers, and delivered scalable backend and frontend solutions using modern software architecture and cloud-based technologies. I thrive in collaborative Agile teams, drive best practices, and continuously pursue opportunities to apply AI and automation to improve performance and quality.

German Simon

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

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I am a Senior Software Developer with 18+ years of experience designing, building, and modernizing enterprise-scale applications across distributed systems and long-lived platforms. I specialize in C#/.NET Core, SQL Server, React, GraphQL, REST APIs, CI/CD, Docker, scalable microservices, and modern SPA development. I focus on AI-assisted engineering and LLM-driven workflows to accelerate software delivery, improve debugging and system analysis, optimize code quality, and enhance engineering efficiency in enterprise environments. I have led technical initiatives, modernized legacy systems, mentored developers, and delivered scalable backend and frontend solutions using modern software architecture and cloud-based technologies. I thrive in collaborative Agile teams, drive best practices, and continuously pursue opportunities to apply AI and automation to improve performance and quality.…I am a Senior Software Developer with 18+ years of experience designing, building, and modernizing enterprise-scale applications across distributed systems and long-lived platforms. I specialize in C#/.NET Core, SQL Server, React, GraphQL, REST APIs, CI/CD, Docker, scalable microservices, and modern SPA development. I focus on AI-assisted engineering and LLM-driven workflows to accelerate software delivery, improve debugging and system analysis, optimize code quality, and enhance engineering efficiency in enterprise environments. I have led technical initiatives, modernized legacy systems, mentored developers, and delivered scalable backend and frontend solutions using modern software architecture and cloud-based technologies. I thrive in collaborative Agile teams, drive best practices, and continuously pursue opportunities to apply AI and automation to improve performance and quality.

Available to hire

I am a Senior Software Developer with 18+ years of experience designing, building, and modernizing enterprise-scale applications across distributed systems and long-lived platforms. I specialize in C#/.NET Core, SQL Server, React, GraphQL, REST APIs, CI/CD, Docker, scalable microservices, and modern SPA development. I focus on AI-assisted engineering and LLM-driven workflows to accelerate software delivery, improve debugging and system analysis, optimize code quality, and enhance engineering efficiency in enterprise environments.

I have led technical initiatives, modernized legacy systems, mentored developers, and delivered scalable backend and frontend solutions using modern software architecture and cloud-based technologies. I thrive in collaborative Agile teams, drive best practices, and continuously pursue opportunities to apply AI and automation to improve performance and quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Intermediate

Work Experience

Senior Software Developer at Dayforce

January 1, 2022 - Present

Lead backend development using C# (.NET Core), C++, and SQL Server for enterprise-scale distributed systems. Design and maintain CI/CD pipelines (Azure Pipelines/Jenkins). Design, implement, and support GraphQL APIs across backend/frontend integration layers (including Apollo Server). Modernize source control (TFS to Git/GitHub). Build and deploy containerized services with Docker. Develop asynchronous processing workflows using Kafka. Contribute to SPA frontend development with React/TypeScript/Node.js/jQuery. Mentor junior developers, perform code reviews, and enforce SOLID principles within Agile Scrum (Jira/Confluence).

Senior Software Developer at GHD

January 1, 2020 - January 1, 2022

Designed and developed municipal portal applications using .NET Core, Entity Framework, and service-based architecture. Built AMANDA web services to support key public-sector workflows. Developed frontend components with React, TypeScript, and jQuery; implemented RESTful Web APIs and performed integration troubleshooting across distributed systems. Worked with Azure services and led migration from TFS to GitHub. Standardized controller/API contracts using SwaggerHub and YAML specifications. Designed a filter engine integrated with Microsoft Power BI for reporting and data visualization. Developed and maintained WCF-based services integrating SOAP-based systems.

Senior .NET Developer at Kortext

January 1, 2017 - January 1, 2020

Led .NET development for multiple internal applications supporting core business operations. Revamped in-house user interfaces using jQuery, CSS3, and Bootstrap. Administered Team Foundation Server, managing repositories and permissions. Developed Entity Framework-based data models to support metadata management for digital e-book content. Led MVC development for critical web applications handling e-book upload/download workflows. Implemented SQL Server integration and built web UIs with Ajax, jQuery.

Team Lead/Senior Developer at WorkTech Inc.

January 1, 2009 - January 1, 2017

Developed and implemented .NET applications using Entity Framework for core business systems. Led development across multiple projects with Telerik technologies. Managed TFS tasks, bug tracking, and unit testing activities. Built applications using POP3/IMAP, JavaScript, Ajax, and HTML5/CSS. Conducted R&D using Agile Scrum methodologies. Led and managed a team of 10+ developers, established coding standards, and performed code reviews. Contributed to the company’s primary software platform. Performed SQL Server development including procedures, triggers, and user-defined functions; developed SQL integrations with Rubi and GP systems using WCF services. Built .NET applications for Win32, WPF, Windows CE, and barcode scanning devices; developed ESRI GIS plug-ins.

Software Developer/Network Administrator at Continental Promotion Group (CPG)

January 1, 2006 - January 1, 2009

Performed network deployment and configuration for new workstations and office equipment. Installed and maintained hardware/software, including security badge systems, network devices, and peripherals. Troubleshot IP telephony and Nortel infrastructure. Managed Active Directory, backups, and data protection; supported TCP/IP networking, scripting, and automation.