Job Description

Job ID

522999

Posted since

18-Sep-2026

Organization

Smart Infrastructure

Field of work

Information Technology

Company

Siemens S.A.

Experience level

Mid-level Professional

Job type

Full-time

Work mode

Hybrid (Remote/Office)

Employment type

Permanent

Location(s)

• Alfragide - Lisboa - Portugal
• Porto - Porto - Portugal

Create a better #TomorrowWithUs

At Siemens, we believe that technology with purpose has the potential to solve the greatest challenges of our time. With over 300 thousand of the world’s most brilliant minds and the power of a presence in more than 190 countries, we make a truly global impact.

At the Portugal Tech Hub, we drive change in our businesses and services, from Portugal to the world, in areas such as Cybersecurity, Software Development and Testing, Big Data, Artificial Intelligence, Cloud, and many more.

With around a decade of history, the Portugal Tech Hub is the home of the new technologists – Dream Builders, Impact Creators & Future Makers.

Are you one of them? Join us! 

As a Senior Full Stack Developer within Siemens Infrastructure, you will be responsible for designing, developing, and operating enterprise-grade applications and integration solutions that enable secure, scalable, and reliable business processes across the enterprise landscape. You will leverage modern cloud technologies, microservices architectures, API-driven development, and full stack development practices to deliver innovative digital solutions that support Siemens' transformation initiatives.

Your mission will be…

• Design and implement enterprise-grade integration solutions using Azure services and modern architectural patterns.
• Develop, secure, and manage APIs through Azure API Management (APIM).
• Build cloud-native microservices and serverless solutions using Azure Functions and Azure Container Apps.
• Design and implement event-driven integrations leveraging Azure Event Hubs, Azure Service Bus, and Kafka.
• Develop and maintain applications and services using .NET 10 and Golang.
• Develop and maintain MongoDB Atlas Triggers using JavaScript.
• Develop and maintain modern frontend applications using Angular.
• Configure and maintain CI/CD pipelines using Azure DevOps, PowerShell scripts, and YAML.
• Implement secure authentication and authorization using OAuth 2.0 and Microsoft Entra ID.
• Manage application registrations, enterprise applications, managed identities, and service-to-service authentication.
• Collaborate with Product Owners, Architects, and Engineering teams to define technical solutions and integration strategies.
• Drive engineering best practices, code quality standards, testing, monitoring, and operational excellence.
• Support modernization initiatives and migration from legacy integration components and technologies.
• Support and maintain existing integrations leveraging Azure Cosmos DB and Azure Data Factory.

We are looking for someone with…

• Strong experience with Golang and Angular development.
• Experience developing applications using .NET and cloud-native Azure services.
• Ability to lead technical discussions and mentor other developers.
• Strong problem-solving skills and the ability to work independently in a cross-functional Agile environment.
• Experience driving technical modernization and continuous improvement initiatives.
• Strong understanding of API design, event-driven architectures, and enterprise integration patterns.

What you can expect from us…

A hybrid and flexible working model to promote a better work-life balance, along with a budget for home office support and the opportunity to do 16 hours a year of volunteer work. A health insurance, access to our on-site medical center, plus the chance to join sports groups.

In addition, you'll have access to online learning platforms and discounts with our partners. A shuttle bus to commute to the facilities and the possibility of financial support to your studies.

What makes us proud as an employer:

• Top Companies to work in Portugal 2023 (by LinkedIn)
• World's Best Employer 2023 - 1st place in the Engineering and Production category (by Forbes)
• Most attractive company to work in 2023 - 6th place (ranking of Universum)
• Company with the best reputation in the Technological/Industrial sector in Portugal 2023 (according to the Merco Empresas study)

Please attach your CV in English.

#Siemens #PortugalTechHub #TomorrowWithUs

Siemens is committed to creating a diverse environment and is glad to be an equal opportunity employer. We strongly encourage applications from a diverse talent pool!