C# Deeloper (with Blazor)

Lisbon, Portugal

Senior (4-6 Years)

Hybrid

English Required

What is this challenge about

Take full ownership of the end-to-end development lifecycle of new features, from technical design through implementation and delivery;
Design, develop, and maintain backend services and RESTful APIs using .NET/C#;
Develop interactive UI components and web applications using Blazor, translating UX/UI designs into responsive, accessible, and high-performance solutions;
Deploy and manage applications and services using Microsoft Azure;

Write clean, maintainable, and well-tested code;

Participate actively in peer code reviews and contribute to engineering best practices;
Contribute to the improvement of CI/CD pipelines and DevOps processes;
Troubleshoot and resolve complex technical issues across the full stack;- Identify and address performance bottlenecks and other technical issues;
Contribute to the modernization, maintenance, and overall health of the codebase;
Leverage AI on a daily basis for activities such as system design, coding, and feature delivery.

What we are looking for

5+ years of professional software development experience, with strong expertise in the Microsoft ecosystem, particularly .NET and C#;
Strong hands-on experience with Blazor and modern web development, with the ability to build responsive, accessible, performant, and user-friendly applications;
Solid experience developing RESTful APIs, backend services, workers, and background jobs using .NET;
Good knowledge of SQL Server, including data modelling, queries, and performance optimization;
Practical experience with Microsoft Azure and cloud-based application development, particularly services such as App Services, Azure SQL, Functions, and Azure DevOps;
Familiarity with CI/CD, DevOps practices, automated testing, and modern software development patterns, including Domain-Driven Design;
Ability to work across the full stack, collaborate with UX/UI and engineering teams, and take ownership of features from design through delivery;
Experience with Power BI or data visualization/integration is a plus;
Bachelor’s degree in Computer Science, Engineering, or a related field;
Fluent in Portuguese and English;
Comfortable using AI tools daily to support software design, development, problem-solving, and delivery.

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
An empowering and respectful work culture enriched with social and learning events.
A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.

At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.

Luis Caldeira, DevOps @ KWAN

At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.

Pedro Fonseca, Front End Developer @ KWAN

I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.

Josimar dos Reis, Software Developer @ KWAN

I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.

João Nascimento, Software Developer (KWAN Alumni)

My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.

Laís Ortiz, Software Developer @ (KWAN Alumni)

Grab this opportunity, apply now!