Fullstack C# Developer (Support Focus)

SERgroup Holding International GmbH; Porto; Presencial; EUR 52 000 - 90 000; Tempo integral

Resumo da oferta

SERGROUP Holding International GmbH in Porto, Portugal is seeking a skilled developer to work across Microsoft .NET and Java environments. You will contribute to modernizing and maintaining high-impact, business-critical software within a collaborative team.

You will develop fullstack apps with C#, ASP.NET, WPF, and .NET MAUI, build backend services, and support Java projects. Knowledge of Groovy is a plus, and strong Git experience is expected.

Qualificações

• Strong experience with C# and the .NET ecosystem.
• Hands-on experience with ASP.NET / ASP.NET Core and WPF.
• Knowledge of .NET MAUI or a willingness to learn.
• Practical experience maintaining and extending Java applications.
• Knowledge of Groovy is an advantage.
• Good understanding of databases, APIs, and fullstack architectures.
• Experience using Git for version control.
• Strong problem-solving skills, clear communication, and the ability to work independently.

Responsabilidades

• Develop, maintain, and enhance in-house fullstack applications using C#, ASP.NET, WPF, and .NET MAUI.
• Build backend services, desktop applications, and cross-platform solutions using the Microsoft .NET stack.
• Support, maintain, debug, and extend existing Java applications with enhancements and bug fixes.
• Contribute to smaller Groovy-based projects where required.
• Analyze requirements, improve application performance, and support internal users and stakeholders.
• Collaborate with the team to continuously improve software quality and development processes.

Conhecimentos

C#

.NET ecosystem

ASP.NET Core

WPF

NET MAUI

Java

Groovy

APIs

Databases

Git

Problem solving

Communication

Independent work

Ferramentas

Git

Groovy

Descrição da oferta de emprego

Join our development team and help build, modernize, and maintain business-critical software across Microsoft .NET and Java environments. You'll work on a diverse range of applications while collaborating with experienced developers on impactful projects.

Porto, Portugal

What you'll Do

• Develop, maintain, and enhance in-house fullstack applications using C#, ASP.NET, WPF, and .NET MAUI.
• Build backend services, desktop applications, and cross-platform solutions using the Microsoft .NET stack.
• Support, maintain, debug, and extend existing Java applications with enhancements and bug fixes.
• Contribute to smaller Groovy-based projects where required.
• Analyze requirements, improve application performance, and support internal users and stakeholders.
• Collaborate with the team to continuously improve software quality and development processes.

What you Bring

• Strong experience with C# and the .NET ecosystem.
• Hands-on experience with ASP.NET / ASP.NET Core and WPF.
• Knowledge of .NET MAUI or a willingness to learn.
• Practical experience maintaining and extending Java applications.
• Knowledge of Groovy is an advantage.
• Good understanding of databases, APIs, and fullstack architectures.
• Experience using Git for version control.
• Strong problem-solving skills, clear communication, and the ability to work independently.

What We Offer

• A varied role combining new development, modernization, maintenance, and technical support.
• The opportunity to work across modern .NET technologies and established Java applications.
• A collaborative, experienced, and practical development team.
• Exposure to business-critical software with real impact.
• Opportunities to learn, grow, and expand your technical expertise.