Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

At the core of the role

In Argentina (CABA), we are looking for a Senior .NET Engineer to join a dynamic team supporting innovative solutions within the banking and financial services sector. You will play a key role in developing and maintaining high-performance applications that support critical business areas such as Online Banking, Payments, Transfers, etc.

Join us and help shape the future of digital banking through secure, scalable, and innovative technology solutions

Core skills you’ll bring
- 5+ years of experience developing with .NET Core (additional Java experience is also valuable).
- Solid understanding of REST API design and development.
- Hands-on experience with containerization technologies such as Docker.
- Experience working with orchestration platforms including Kubernetes and/or OpenShift.




- Knowledge of event-driven architectures and messaging platforms such as Kafka.
- Experience with relational databases, particularly Oracle and PostgreSQL.
- Understanding of software development best practices, including code quality, testing, and CI/CD principles.
- Functional knowledge of banking products and processes.
- Native Spanish proficiency and Intermediate English.

Nice-to-have
- Previous experience in the banking, fintech, or digital financial services industry.
- Experience working in Agile/Scrum environments.
- Experience integrating with third-party banking platforms and payment solutions.

The impact you'll create
- Design, develop, test, and maintain scalable applications and services using .NET technologies.
- Build and enhance RESTful APIs that support critical banking and digital channel functionalities.
- Collaborate with cross-functional teams to deliver high-qual

📌 Senior .NET Engineer (Buenos Aires)
🏢 avenga
📍 Buenos Aires