Desarrollador Fullstack .NET + React | Semi Senior

C&S Informática · IT Outsourcing & Dedicated Teams · Custom Software Development · JavaScript · TypeScript · SQL · C# · Node JS · 6 days ago
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Location
In office (Buenos Aires)
Seniority
Middle · 3+ years exp

First seen by Alion on Oct 30, 2026.

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C&S Informática

C&S Informática is an Argentine IT services company headquartered in Buenos Aires that provides software development, IT talent outsourcing and IT consulting, with a strong focus on SAP implementation and support projects. With more than 160 professionals, about 40 years in the market, ISO 9001 certification and an office in Santiago de Chile, it works on SAP S/4HANA, BTP, Ariba and controlling projects as well as COBOL mainframe, DevOps and information security engagements for corporate clients. It hires SAP functional and technical consultants, ABAP and COBOL developers, full-stack developers, DevOps administrators, IT recruiters and B2B sales staff.
cys.com.ar · HQ: Buenos Aires, Argentina · Enterprise Apps Implementation Partners · IT Outsourcing & Dedicated Teams · Custom Software Development
Tech stack of C&S Informática

Desarrollador Fullstack .
NET + React | Semi Senior Desde C&S Talent nos encontramos en búsqueda de un/a Desarrollador/a Fullstack .
NET + React Semi Senior para sumarse a un proyecto en Banco. Modalidad: Híbrida Se aceptan candidatos de otras provincias. Horario: Lunes a viernes de 9 a 18 hs. Responsabilidades y tareas Desarrollar y mantener aplicaciones utilizando C# y .
NET 8 / ASP.
NET Core Web API.
Construir interfaces web con React 18 y TypeScript.
Diseñar, desarrollar e integrar APIs REST y arquitecturas basadas en microservicios.
Trabajar con servicios, BFF y comunicación entre APIs.
Implementar validaciones, manejo de errores y documentación de APIs.
Trabajar con bases de datos SQL Server y Entity Framework Core.
Participar en pruebas unitarias, depuración y mantenimiento de suites de testing.
Colaborar en la integración de servicios y en la evolución de las soluciones existentes. Requisitos mandatorios Experiencia mínima de 3 años en desarrollo con C# y .
NET.
Experiencia mínima de 2 años con React y TypeScript.
Conocimientos de .
NET 8 y ASP.
NET Core Web API.
Experiencia con React 18, HTML, CSS y consumo de APIs REST.
Conocimientos de arquitectura de microservicios, servicios y BFF.
Experiencia con SQL Server y Entity Framework Core.
Manejo de Swagger/OpenAPI, validaciones y manejo de errores.
Conocimientos de autenticación y autorización, JWT y OAuth.
Manejo de Git, NuGet, npm y herramientas de depuración.
Experiencia realizando testing unitario en .
NET y frontend.
Conocimientos de Webpack, ESLint y Prettier.
Experiencia en sistemas transaccionales o de alta criticidad. Conocimientos deseables React Router y Axios.
Microfrontends y Design Systems / Component Libraries.
Integración con servicios SOAP/WCF.
MongoDB, mensajería, colas y procesos batch.
Observabilidad, logging y trazabilidad distribuida.
Integración con APIs internas, contratos versionados y BFFs.
Docker, CI/CD y despliegues en plataformas PaaS.  

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