Senior .NET Core Backend Engineer

KCS IT; Lisboa; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

KCS IT is expanding its Lisbon-based team and seeking a Senior .NET Core specialist to design and implement robust microservices in a hybrid work setting (Restelo, Lisbon). The role requires 5+ years in .NET, hands-on REST APIs, CI/CD, and strong English communication.

Ideal candidates will master .NET Core, work with relational databases, and apply solid design principles. Opportunity to grow across client projects while enjoying a collaborative, inclusive environment.

Qualifications

• 5+ years of experience with .NET technologies.
• Strong experience with .NET Core / .NET 6/7/8 (or latest versions).
• Experience with microservices architecture.
• Solid knowledge of REST APIs and web services.
• Hands-on experience with CI/CD tools (Azure DevOps, GitHub Actions, Jenkins, etc.).
• Experience with relational databases (SQL Server, PostgreSQL, etc.).
• Good understanding of software design principles and patterns (e.g., SOLID, Singleton, Factory).
• Experience with Git and version control best practices.
• Strong communication skills and fluent English.

Skills

5+ years experience

NET Core / .NET 6/7/8

Microservices

REST APIs

CI/CD tools

Relational databases

Design patterns

Git

English

Tools

Docker

Kubernetes

Kafka

RabbitMQ

Job description

KCS IT is expanding its Lisbon-based team and seeking a Senior .NET Core specialist to design and implement robust microservices in a hybrid work setting (Restelo, Lisbon). The role requires 5+ years in .NET, hands-on REST APIs, CI/CD, and strong English communication.

Ideal candidates will master .NET Core, work with relational databases, and apply solid design principles. Opportunity to grow across client projects while enjoying a collaborative, inclusive environment.