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].