Senior .NET Developer – French Speaker

Decskill; Lisboa; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Decskill, part of the Astek Group, is growing and seeking a Senior .NET Developer – French Speaker for a project with a hybrid working model based in Lisbon.

You will design, develop and maintain high-quality applications using C# and .NET, building scalable microservices and RESTful APIs. The role requires 9+ years of experience, strong OO design, and proficiency in French with good English communication. You will work in an Agile environment to deliver secure, well-tested software.

Qualifications

• 9+ years of professional software development experience.
• Strong experience with C# and .NET.
• Solid understanding of object-oriented programming.
• Experience with design patterns and software engineering best practices.
• Solid experience with microservices architecture.
• Experience with asynchronous communication and event-driven architecture.
• Good understanding of IoC and Dependency Injection.
• Experience working with distributed systems.
• Experience working in Agile development environments.
• Professional proficiency in French.
• Good communication skills in English.

Responsibilities

• Design, develop, and maintain high-quality applications using C# and .NET.
• Develop scalable solutions based on microservices architecture.
• Design and implement RESTful APIs and distributed services.
• Work with asynchronous communication and event-driven architectures.
• Apply OO programming principles and design patterns.
• Implement IoC/DI for loosely coupled, testable apps.
• Contribute to technical design and architectural decisions.
• Develop and maintain automated unit tests.
• Monitor and troubleshoot using Kibana and Elasticsearch.
• Ensure code quality and security with Sonar and Checkmarx.
• Collaborate with cross-functional teams in Agile environments.
• Participate in code reviews and continuous improvement.

Skills

C# & .NET

Microservices

RESTful APIs

Event-driven architectures

Object-oriented programming

IoC & Dependency Injection

Distributed systems

Agile

French

English

Tools

Kibana

Elasticsearch

Sonar

Checkmarx

Job description

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

We would like to meet a Senior .NET Developer – French Speaker for a project with a hybrid working model:

Key Responsibilities:

• Design, develop, and maintain high-quality applications using C# and .NET.
• Develop scalable and maintainable solutions based on microservices architecture.
• Design and implement RESTful APIs and distributed services.
• Work with asynchronous communication and event-driven architectures.
• Apply object-oriented programming principles and established design patterns.
• Implement IoC and dependency injection to create loosely coupled and testable applications.
• Contribute to technical design and architectural decisions.
• Develop and maintain automated unit tests.
• Monitor and troubleshoot applications using tools such as Kibana and Elasticsearch.
• Ensure code quality and security through tools such as Sonar and Checkmarx.
• Collaborate with cross-functional teams in an Agile development environment.
• Participate in code reviews and contribute to continuous improvement and engineering best practices.
• Help identify and resolve technical challenges in distributed systems.

Required Experience:

• 9 + years of professional experience in software development.
• Strong professional experience with C# and .NET.
• Strong understanding of object-oriented programming.
• Experience with design patterns and software engineering best practices.
• Solid experience with microservices architecture.
• Practical experience with asynchronous communication and event-driven architecture.
• Good understanding of IoC and Dependency Injection.
• Experience working with distributed systems.
• Experience working in Agile development environments.
• Professional proficiency in French.
• Good communication skills in English.
• Technical Skills

Find with us the right opportunity to grow!

What you can expect from us:

• Long-term projects with national and international context
• Opportunities to grow technically and professionally
• A people-first culture, focused on transparency and trust
• Teams that value ownership, collaboration and stability

Your next challenge might start here.

At Decskill, we are committed to equal opportunities and non-discrimination. We promote a culture of diversity and inclusion, where recruitment and career progression are based solely on talent, regardless of age, gender, ethnicity, race, nationality, or any other form of discrimination incompatible with human dignity.