Senior .NET & WPF Developer - Hybrid Lisbon

KCS IT; Lisboa; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

KCS IT, based in Lisbon, is seeking a Senior .NET developer with WPF expertise for a hybrid role. You will work on REST APIs, microservices and distributed systems, leveraging C#/.NET Core, SQL DBs, and CI/CD. Strong knowledge of Agile/Scrum, Jira and SOLID practices is required.

Portuguese and English language skills are essential for collaboration across teams. The position is located in Lisbon with a hybrid work model; candidates must already reside in Portugal.

Qualifications

• 5 years of professional experience with .NET / C# development.
• 2–3+ years of hands‑on experience with WPF.
• Strong knowledge of C# and .NET / .NET Core.
• Experience developing and consuming REST APIs.
• Experience with microservices architecture and distributed applications.
• Good knowledge of relational databases such as SQL Server, PostgreSQL or Oracle.
• Experience with CI/CD pipelines and automated software delivery.
• Familiarity with Git and version control best practices.
• Experience with Agile/Scrum methodologies.
• Experience using Jira for task and sprint management.
• Understanding of SOLID, design patterns, clean code and unit testing.
• Understanding of authentication/authorization mechanisms for APIs.
• Experience with automated testing and tools such as xUnit, NUnit or MSTest is valued.
• Fluent in Portuguese.
• Fluent in English (B1).

Responsibilities

• 5 years of professional experience with .NET/C# development.
• 2–3+ years of hands-on experience with WPF.
• Strong knowledge of C# and .NET/.NET Core.
• Experience developing and consuming REST APIs.
• Experience with microservices architecture and distributed applications.
• Relational databases knowledge (SQL Server, PostgreSQL, Oracle).
• Experience with CI/CD pipelines and automated software delivery.
• Familiarity with Git and version control best practices.
• Experience with Agile/Scrum methodologies.
• Experience using Jira for task and sprint management.
• Knowledge of SOLID, design patterns, clean code and unit testing.
• Understanding of authentication/authorization for APIs.
• Experience with automated testing (xUnit/NUnit/MSTest) is valued.
• Fluent in Portuguese and English (B1).

Skills

.NET/C# development

WPF

REST APIs

Microservices

SQL databases

CI/CD

Git

Agile/Scrum

Jira

Unit testing

Design patterns

Authentication/Authorization

Automated testing (xUnit/NUnit/MSTest)

Tools

Docker

Job description

KCS IT, based in Lisbon, is seeking a Senior .NET developer with WPF expertise for a hybrid role. You will work on REST APIs, microservices and distributed systems, leveraging C#/.NET Core, SQL DBs, and CI/CD. Strong knowledge of Agile/Scrum, Jira and SOLID practices is required.

Portuguese and English language skills are essential for collaboration across teams. The position is located in Lisbon with a hybrid work model; candidates must already reside in Portugal.