Senior .NET Backend Engineer – REST & Microservices (Hybrid)

KCS IT; Lisboa; Híbrido; EUR 45.000 - 75.000; Jornada completa

Descripción de la vacante

KCS IT, a Lisbon-based IT consulting company, is seeking a Mid-Senior .NET Developer to join a hybrid project in Lisbon, Portugal. The role focuses on backend development using .NET technologies, building scalable RESTful APIs, and implementing secure authentication and authorization mechanisms.

Ideal candidates will have 4+ years of software development experience, strong .NET skills, familiarity with Docker/Kubernetes, and English fluency.

Formación

• 4+ years of professional software development.
• Strong experience with .NET, .NET Core, ASP.NET Core and C#.
• Solid background in Backend Development, APIs and Services.
• Experience designing and developing REST APIs.
• Knowledge of WebSockets and real-time communication.
• Experience with OAuth 2.0, OIDC, SAML and Microsoft Entra ID (Azure AD).
• Experience working with SQL Server, PostgreSQL or other relational databases.
• Familiarity with Entity Framework or similar ORM frameworks.
• Experience with Git, CI/CD pipelines, and DevOps practices.
• Knowledge of Docker and/or Kubernetes.
• Understanding of Microservices Architecture.
• Experience with automated testing frameworks.
• Strong analytical and problem-solving skills.
• Fluency in English (mandatory).

Responsabilidades

• Developing and maintaining scalable backend applications using .NET technologies.
• Designing, implementing, and optimizing RESTful APIs and services.
• Collaborating with multidisciplinary teams to deliver high-quality solutions.
• Implementing secure authentication and authorization mechanisms.
• Troubleshooting, debugging, and resolving technical issues.
• Writing clean, maintainable, and well-tested code.
• Participating in software architecture and technical design discussions.
• Contributing to CI/CD processes and deployment activities.
• Working closely with business and technical stakeholders to understand requirements.
• Ensuring compliance with development best practices and coding standards.
• Promoting continuous improvement and knowledge sharing within the team.

Conocimientos

.NET & C#

Backend development

REST APIs

WebSockets

OAuth 2.0

Azure AD / OIDC

SQL databases

Entity Framework

Git & CI/CD

Docker & Kubernetes

Microservices

Automated testing

English fluency

Herramientas

Git

CI/CD pipelines

Docker

Kubernetes

Azure DevOps

Descripción del empleo

KCS IT, a Lisbon-based IT consulting company, is seeking a Mid-Senior .NET Developer to join a hybrid project in Lisbon, Portugal. The role focuses on backend development using .NET technologies, building scalable RESTful APIs, and implementing secure authentication and authorization mechanisms.

Ideal candidates will have 4+ years of software development experience, strong .NET skills, familiarity with Docker/Kubernetes, and English fluency.