Are you passionate about building scalable backend systems, modern cloud-native applications, and high-performance distributed architectures?
We're looking for a Senior Backend Engineer to join an international technology team working on the modernization of large-scale enterprise platforms. You'll play a key role in transforming legacy systems into modern microservices while contributing to the design of highly available, event-driven solutions used by thousands of users.
Location: Remote (must be based in Portugal)
Languages: Fluent English & Spanish (mandatory)
What you'll be doing:
- Lead the modernization of legacy monolithic applications into scalable microservices.
- Design and develop robust Java/Spring Boot backend services following API-first principles.
- Build and maintain high-performance RESTful APIs using OpenAPI/Swagger .
- Develop event-driven architectures using Apache Kafka and streaming technologies.
- Deploy and operate cloud-native applications on AWS and/or GCP using Docker and Kubernetes .
- Improve delivery pipelines through CI/CD automation and DevOps best practices.
- Ensure high code quality through unit and integration testing, code reviews, pair programming, and Clean Code principles.
- Take ownership of features throughout the entire software development lifecycle—from design and implementation to deployment, monitoring, and production support.
- Collaborate with cross-functional and international teams to deliver reliable, scalable, and maintainable solutions.
What we're looking for:
- 5+ years of professional experience in backend software development.
- Strong expertise in Java and the Spring ecosystem (Spring Boot, Spring Data).
- Solid experience designing and building distributed systems and microservices .
- Hands-on experience with Apache Kafka or similar event-driven messaging platforms.
- Experience with Docker , Kubernetes , and cloud platforms (AWS and/or GCP ).
- Strong understanding of REST APIs , OpenAPI/Swagger, and API-first development.
- Knowledge of CI/CD pipelines and modern software engineering practices.
- Passion for Clean Code, software craftsmanship, and continuous improvement.
- Excellent analytical and problem-solving skills.
- Fluent English and Spanish are mandatory.
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