(Senior) Java Backend Software Engineer

(Senior) Java Backend Software Engineer

TeamViewer

Porto, Portugal

Responsibilities

We are looking for an experienced and committed (Senior) Java Backend Software Engineer to help us build and evolve the next generation of the Frontline platform. In this role, you will design and deliver robust backend systems that power mission-critical workflows for industrial teams worldwide.

• Design, implement, and maintain backend services and APIs that power the Frontline platform.
• Participate in architecture and system design to ensure reliability, scalability, and maintainability.
• Collaborate closely with frontend and cross-functional teams to deliver end-to-end features and seamless integration across the tech stack.
• Write clean, testable, and maintainable code using modern engineering and CI/CD practices.
• Engage in peer reviews, pair programming, and technical discussions to continuously raise code quality and alignment.
• Take ownership of your domain and deliver results with accountability and curiosity.
• Explore and evaluate emerging technologies that can enhance the platform's capabilities.

Requirements

• University or college degree in Computer Science, Software Engineering, or a related field.
• 4+ years of professional experience in backend software development, or proven senior-level expertise in designing and delivering complex software systems.
• Strong expertise in Java and Spring Boot, including frameworks such as Spring Data and Spring Security.
• Solid understanding of RESTful APIs, microservices, and distributed system design.
• Experience with relational databases (e.g., PostgreSQL, MySQL) and ORM frameworks (e.g., Hibernate).
• Experience with CI/CD pipelines, Docker, and container orchestration (e.g., Kubernetes).
• Understanding of security and authentication standards (JWT, OAuth2, OpenAPI).
• Fluency in English; other languages are a plus.

Nice to have

• Experience working with message queue systems (e.g., NATS, Kafka, RabbitMQ).
• Experience with public API design and developer-facing integrations.
• Familiarity with monitoring and observability tooling (e.g., Prometheus, Grafana, ELK).