Fullstack .NET Developer

Syone is looking for a

Fullstack .NET Developer with strong experience in C#, Azure, and modern frontend technologies

to join a challenging and product-oriented project.

What You Will Do:

Take full ownership of the

end-to-end development lifecycle

of new features, from technical design to implementation, testing, and delivery.

Design, develop, and maintain backend services and

RESTful APIs using .NET and C# .

Build and maintain

workers, background jobs, and integrations

within the Microsoft ecosystem.

Develop responsive and high-performance frontend solutions using

Blazor and React .

Ensure seamless integration between backend services, frontend components, and cloud infrastructure.

Design and optimize data solutions using

SQL Server , including data modeling, queries, and performance optimization.

Develop, deploy, and manage applications using

Microsoft Azure , including App Services, Azure SQL, Functions, and Azure DevOps.

Use

AI tools on a daily basis

to support system design, software development, coding, and feature delivery.

Work closely with product and technical teams to understand customer needs and translate them into effective technical solutions.

Troubleshoot and resolve complex technical issues across the full application stack.

Collaborate with developers and stakeholders in an

Agile environment , contributing to technical discussions and continuous improvement.

What You Need to Bring:

Degree in

Computer Science, Engineering, or a related field .

Strong professional experience with

.NET and C# .

Solid experience developing

RESTful APIs, workers, and background jobs

within the Microsoft ecosystem.

Hands-on experience with

Microsoft Azure , particularly App Services, Azure SQL, Azure Functions, and Azure DevOps.

Strong knowledge of

SQL Server , including data modeling, query development, and performance optimization.

Experience developing modern web applications using

Blazor or similar frontend frameworks .

Experience with

React

for frontend development.

Practical experience using

AI tools as part of the daily software development workflow , including system design, coding, and feature delivery.

Strong

problem-solving and troubleshooting skills

across the software stack.

A

product-oriented mindset , with a strong interest in understanding customer problems and delivering effective solutions.

Ability to work effectively in collaborative and

Agile environments .

Good technical communication skills, with the ability to communicate complex concepts to both technical and non-technical stakeholders.

Fluency in

Portuguese and English , both written and spoken.

Nice to Have:

Familiarity with

Domain-Driven Design (DDD)

and modern software development patterns.

Experience with

Power BI , either in development or integration scenarios.

By applying, you accept our GDPR policies. Your personal data in your CV and documents will be used solely for processing your application at SYONE. SYONE, S.A. (NIPC 504729624) is the data controller, located at Rua Alfredo da Silva, 8-A, Edifício Stern, Piso 3D, 2610-016 Amadora. We will use your data to tailor your application to relevant vacancies and for potential employment contracts. If selected, your data will be kept during your employment and for at least two years after. If not selected, your data will be kept for two years for future vacancies and then deleted, except for your contact details. You can exercise your rights (access, rectification, erasure, etc.) by emailing [email protected]. Your data may be shared with our HR service providers and will be stored securely. You can withdraw your consent at any time. We will not use your data for other purposes without your express consent. For more information, email [email protected].

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