.Net & Outsystem Developer in Lisbon

Aubay Portugal is a multinational French company, in Portugal since 2007.

We have offices in Lisbon and Oporto and we are a specialized consultant in Management, Implementation, Development and Maintenance of Information Systems.

We have more than 150 active partners and we operate in sectors such as banking, insurance, telecommunications, services, energy and transports.

Your next opportunity starts here.

At Aubay Portugal, we work daily with some of the largest organisations across sectors such as banking, insurance, telecommunications and energy, helping to build and evolve critical systems that support millions of users.

We have been in Portugal since 2007 and are part of an international group with a presence in several European countries.

More than technology, we build close relationships and deliver real-impact projects.

What will you do? Design, develop, and maintain robust applications using . NET technologies and Out Systems platforms.

Develop and integrate REST/SOAP APIs to connect enterprise systems and third-party solutions.

Optimize and maintain SQL Server databases, ensuring high performance and data integrity.

Leverage Generative AI tools to enhance development, testing, and documentation processes.

Collaborate with cross-functional teams, translating business needs into effective technical solutions.

What are we looking for?

At Aubay, our focus is on professionals who bring both technical expertise and the right mindset: Solid experience of 5+ years in .

NET development, encompassing C#, .

NET Framework, and .

NET Core.

Basic to intermediate knowledge in Out Systems development and maintenance.

Strong proficiency in SQL Server, including query optimization and troubleshooting.

Proven experience with Git/Git Hub for version control and collaborative development practices.

Practical experience with Generative AI tools (e. g., Copilot, Chat GPT) to boost productivity and innovation.

Fluent in English, demonstrating excellent written and verbal communication skills. Alignment with our corporate culture and a commitment to integrity and ethics are highly valued.

Strong customer focus, teamwork, task prioritisation, and daily commitment are highly appreciated.

What can we offer?

At Aubay, we invest in your development and well-being: Continuous growth through our Training Academy, with technical and soft skills training, mentoring, tech communities, workshops and in-person meetups; Close support with regular feedback and a structured career advancement model; Comprehensive health insurance, including dental coverage, as well as access to a mental health platform and well-being initiatives; Team-oriented environment, including events and initiatives to promote connection and team spirit; Personal and family life support, from the moment your children are born and throughout their educational path; Access to a language platform with conversational classes in multiple languages; Project-tailored work model: Hybrid (2-3 days a week on-site in Lisbon).

What will you find here?

A close-knit and informal environment, where direct communication is preferred and people are valued; Recognition of your contribution, with initiatives that celebrate meaningful moments; Freedom to be yourself, without unnecessary formalities; Teams where knowledge sharing, collaboration and joint growth are a reality.