Senior .Net Developer - French Speaker

Decskill; Porto; Hybrid; EUR 45,000 - 65,000; Full time

Job summary

An IT consulting company is seeking a Senior .NET Developer for a project based in Porto. The role involves developing and maintaining applications using .NET technologies, designing high-performance solutions, and integrating services. Candidates should have solid experience with C#, .NET Core, REST APIs, and SQL Server, and must speak French at a minimum B2 level for communication. This full-time position offers a hybrid work model and opportunities to collaborate with international teams.

Qualifications

• Solid experience as a Senior .NET Developer.
• Knowledge of clean architecture, SOLID principles, and design patterns.
• Minimum B2 fluency in French for stakeholder communication.
• Experience with Azure or AWS is a plus.
• Fluency in French (minimum B2) is essential for communication.

Responsibilities

• Develop and maintain applications using .NET (C#, .NET Core, ASP.NET).
• Design scalable and high-performance solutions.
• Integrate complex services and APIs.
• Ensure code quality through best practices, testing, and documentation.
• Collaborate with international teams and participate in meetings held in French.

Skills

C#

.NET Core

REST APIs

SQL Server

Fluency in French

SOLID

Design patterns

Azure

AWS

French (B2)

Tools

Azure

AWS

Job description

Decskill was founded in 2014 as an IT Consulting Company and its main mission is to deliver value through knowledge. We enable companies to meet the challenges of the digital world by providing business models that ensure technological capacity, flexibility and agility. With more than 500 consultants and offices in Lisbon, Porto, and Madrid, we operate in three main areas:

• DECSKILL TALENT – providing clients with an extension to their IT teams
• DECSKILL BOOST – delivering software development models to increase capacity and optimise Time‑to‑Market by creating and managing teams that meet the desired speed
• DECSKILL CONNECT – offering consulting services and implementation and management of information technology infrastructures

We are looking for a Senior .NET Developer for a project based in Porto (Hybrid).

Responsibilities

• Develop and maintain applications using .NET (C#, .NET Core, ASP.NET)
• Design scalable and high‑performance solutions
• Integrate complex services and APIs
• Ensure code quality through best practices, testing, and documentation
• Collaborate with international teams and participate in meetings held in French

Requirements

• Solid experience as a Senior .NET Developer
• Strong proficiency in C#, .NET Core, REST APIs, and SQL Server
• Knowledge of clean architecture, SOLID principles, and design patterns
• Experience with Azure or AWS (a plus)
• Fluency in French (minimum B2) – essential for communication with stakeholders

If you’re interested in this job please send your CV in English to [e-mail] with reference “DA/.NETFR”.

Decskill is committed to equality and non‑discrimination with all our talents. We recruit and promote talent based on diversity and inclusion, regardless of age, gender, ethnicity, race, nationality or any other form of discrimination incompatible with the dignity of the human being.

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Information Technology

Industries

• IT Services and IT Consulting