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DIXON RAFFE

@dixonraffe

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Senior .NET developer specializing in fintech microservices, DDD/CQRS, and scalable payment platforms.

Argentina

Message

What I'm looking for

Busco un rol senior para construir microservicios .NET de alta disponibilidad en fintech, aplicando DDD/CQRS y arquitecturas event-driven, con equipos Agile y autonomia para liderar decisiones tecnicas, integrando Azure, Docker/Kubernetes y CI/CD.

Soy Ingeniero en Computacion con mas de 15 anos de experiencia en desarrollo de software empresarial, especializado en el ecosistema .NET 8/C#. Me enfoco en construir plataformas robustas y de alto rendimiento, especialmente en fintech de procesamiento de pagos.

En mi rol actual diseño y desarrollo 8+ microservicios para una plataforma fintech de cashier, gestionando transacciones de pagos concurrentes a gran escala (depositos, pagos con tarjeta de credito y billeteras electronicas). Aplico comunicacion entre microservicios y manejo de estado distribuido con Dapr para mejorar resiliencia y desacoplamiento.

Trabajo con Domain-Driven Design (DDD), CQRS y Clean Architecture para estandarizar estructuras de modulos y acelerar el delivery de nuevas funcionalidades. Además, integro Microsoft Fabric para pipelines de analitica transaccional y reporteria de negocio, habilitando insights financieros en tiempo real.

Me importa la calidad y la mantenibilidad: diseño y mantengo APIs RESTful con ASP.NET Core Web API, documentacion OpenAPI/Swagger y persistencia en SQL Server mediante Entity Framework Core y stored procedures optimizados. Colaboro activamente con QA, DevOps y Producto en Scrum, liderando decisiones tecnicas y trabajando con Azure, Docker, Kubernetes y CI/CD (Azure DevOps) en entornos de alta disponibilidad y alta concurrencia.

Experience

Work history, roles, and key accomplishments

Current

Senior .NET Developer

Current

Paramo Technologies

Sep 2021 - Present (4 years 9 months)

Designed and developed 8+ high-performance microservices for a fintech cashier platform handling large-scale concurrent payment transactions (deposits, credit card payments, and e-wallets). Implemented Dapr-based inter-service communication and state handling, and built scalable business modules using ABP Framework with DDD, CQRS, and Clean Architecture.

.NET 8+C#Microservices Dapr ABP Framework DDD CQRS SQL Server Docker Kubernetes

.NET Developer

Celerative

Aug 2019 - Sep 2021 (2 years 1 month)

Developed and maintained ASP.NET MVC and ASP.NET Core web applications, building REST backend APIs with C#, Entity Framework Core, and SQL Server. Led migration of legacy VB.NET and classic ASP applications to .NET Core, optimizing complex T-SQL queries and stored procedures to improve performance on high-volume datasets.

ASP.NET Core C#ASP.NET MVC REST APIs Entity Framework SQL Server T SQL xUnit VB.NET .NET Core

Software Developer

Huenei IT Services

Feb 2019 - Aug 2019 (6 months)

Developed and maintained .NET Framework and SQL Server applications for enterprise clients across multiple industries, participating in end-to-end Agile delivery. Built reporting modules and data processing pipelines as part of cross-functional development teams.

.NET Framework C#SQL Server Reporting Module Data Pipelines Agile Scrum Unit Testing Data Integration

Consultor .NET

Practia Consulting

Jun 2018 - Jan 2019 (7 months)

Worked as a .NET consultant on Tecpetrol’s Extranet project (oil & gas), developing functional modules in ASP.NET and C#. Performed requirements gathering and delivered functional documentation, supporting the client while implementing complex SQL Server queries and stored procedures.

ASP.NET C#SQL Server T SQL Requirements Gathering Stored Procedures Client Technical Support Data Modeling

Programador de Sistemas

Neuralnet

Mar 2014 - May 2018 (4 years 2 months)

Developed business management applications for invoicing, inventory, and access control using Visual Basic .NET and VB6. Designed and administered SQL Server databases and built Android applications to integrate with internal systems.

VB.NET VB6 SQL Server Business Systems Access Control Android Development Data Modeling Invoicing

Programador de Aplicaciones

Tecnologia AVL

Jan 2011 - Mar 2014 (3 years 2 months)

Developed desktop applications with Visual Basic and .NET Framework for vehicle tracking and telematics solutions (AVL). Created database queries and reports on SQL Server and delivered end-to-end system integrations.

Visual Basic .NET Framework SQL Server Reporting Telematics Desktop Applications System Integration VB.NET