Java Software Engineer

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

In Buenos Aires within the Enterprise Software Development domain, we are actively seeking a professional to strengthen our team dedicated to building scalable microservices-based applications. You'll be developing robust backend solutions using the Spring ecosystem, working across the full application lifecycle from concept to production support.

This position requires going to the client's offices in Buenos Aires City once a week.

This is you

• 3–4 years of experience in backend development with Java (17+) and Spring Boot.
• Strong knowledge of relational and non-relational databases.
• Hands-on experience with Git, GitLab, and CI/CD pipelines (Jenkins or similar).
• Familiarity with AWS and container orchestration tools (Docker, Kubernetes).
• Strong ownership mindset and autonomy.
• Results-driven and continuous improvement approach.
• Interest in innovation and adopting new technologies, especially AI in software development.

Nice-to-have skills:

• Knowledge of Node.js and TypeScript.
• Experience with reactive programming (Spring WebFlux).
• Experience with API contract tools (Swagger, RAML).
• Strong focus on observability, metrics, and system performance.

This is your role

• Design and develop robust microservices using Java 17+ and Spring Boot.
• Ensure technical excellence by applying best practices and design patterns such as Clean Architecture, Hexagonal Architecture, and MVC.
• Work on API integrations (REST), asynchronous processes, and event-driven architectures (Queues / MQ).
• Deploy and operate services in a Cloud environment (AWS) using Docker and Kubernetes.
• Ensure end-to-end quality by writing unit, integration, and functional tests.
• Promote a culture of innovation, leveraging AI tools such as Copilot, Cursor, and others to optimize development workflows.
• Contribute to technical documentation and proactively identify risks or blockers.

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.