Backend Dev .Net Sr

Softtek; México; On-site; MXN 900,000 - 1,250,000; Full time

Job summary

Softtek busca un Desarrollador Backend .NET Senior para diseñar y mantener APIs REST, con enfoque en Clean Architecture y DDD. Trabajarás en Azure, implementarás autenticación segura y gestionarás CI/CD mediante Azure DevOps o GitHub Actions.

El candidato ideal posee experiencia en .NET 8+, SQL Server/PostgreSQL, MongoDB y Redis, y colaborará estrechamente con frontend, UX y QA para entregar soluciones escalables y seguras.

Qualifications

• Experiencia en diseño de backends escalables y APIs REST.
• Conocimiento sólido de ASP.NET Core y .NET 8 o superior.
• Aplicación de Clean Architecture y/o DDD.
• Experiencia con bases de datos SQL y PostgreSQL; NoSQL como MongoDB/Redis.
• Autenticación y autorización con JWT, OAuth2, IdentityServer o Azure AD.
• Implantación en Azure y manejo de CI/CD con Azure DevOps o GitHub Actions.
• Buenas prácticas de rendimiento, seguridad y escalabilidad.
• Colaboración con frontend, UX y QA; revisión de código y mentoría.

Responsibilities

• Diseñar, desarrollar y mantener arquitecturas backend escalables y seguras.
• Construir APIs REST con ASP.NET Core (.NET 8 o superior).
• Definir arquitectura siguiendo Clean Architecture y DDD.
• Desarrollar y conectar soluciones con bases de datos relacionales y NoSQL.
• Implementar autenticación y autorización seguras.
• Gestionar despliegues en Azure usando pipelines CI/CD.
• Colaborar con frontend, UX y QA para garantizar calidad.
• Optimizar servicios backend para rendimiento y seguridad.
• Crear documentación técnica y diagramas de arquitectura.
• Realizar code reviews y mentoría a otros miembros del equipo.
• Impulsar mejora continua de sistemas y prácticas de ingeniería.

Skills

Architectural design

ASP.NET Core

Clean Architecture

DDD

SQL databases

NoSQL databases

Authentication schemes

Azure cloud

CI/CD

Performance optimization

Security best practices

Code reviews & mentoring

Cross-functional collaboration

Analytical thinking

Tools

Azure DevOps

GitHub Actions

SQL Server

PostgreSQL

MongoDB

Redis

Azure

Job description

backend dev .NET Sr

Empresa : Softtek
Tipo de empleo : Tiempo completo

Descripción del trabajo - backend dev .NET Sr

Requirements Must-have experience

• Strong experience designing and developing scalable backend architectures using the .NET ecosystem
• Solid hands-on experience with ASP.NET Core (.NET 8 or higher) for building RESTful APIs and backend services
• Proven experience applying Clean Architecture and Domain-Driven Design (DDD) principles
• Experience working with relational databases such as SQL Server and PostgreSQL
• Experience with NoSQL databases including MongoDB and Redis
• Experience implementing authentication and authorization mechanisms using JWT, OAuth2, IdentityServer, and Azure AD
• Experience deploying applications to cloud environments, preferably Microsoft Azure
• Experience implementing and managing CI/CD pipelines using Azure DevOps or GitHub Actions
• Strong knowledge of backend performance optimization, scalability, and security best practices
• Experience collaborating with cross-functional teams including frontend, UX, and QA
• Experience conducting code reviews and mentoring junior or mid-level developers
• Strong analytical thinking and problem-solving skills

Nice-to-have experience

• Experience designing and maintaining distributed or microservices-based architectures
• Experience creating and maintaining technical documentation and architecture diagrams

Responsibilities

• Design, develop, and maintain scalable, secure, and high-performance backend architectures
• Build, evolve, and maintain RESTful APIs using ASP.NET Core (.NET 8 or higher)
• Define backend architecture following Clean Architecture and Domain-Driven Design principles
• Develop and integrate solutions using relational and non-relational databases
• Implement secure authentication and authorization mechanisms
• Manage cloud deployments on Microsoft Azure using CI/CD pipelines
• Collaborate closely with frontend, UX, and QA teams to ensure product quality and alignment
• Optimize backend services for performance, scalability, reliability, and security
• Create and maintain technical documentation and architecture diagrams
• Perform code reviews and provide technical mentorship to team members
• Drive continuous improvement of backend systems and engineering practices

Required Languages

English: Beginner 11–30%