Java Developer, Fluent English

🕒 November 13, 2025

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Grupo Data Portugal

WebsiteLinkedInAll Job Openings

11 - 50 employees

🤝 B2B

☁️ SaaS

B2B • SaaS • Technology

Grupo Data Portugal is a leader in nearshore service models, specializing in providing managed services, team extension, and custom software development solutions. The company focuses on building powerful teams tailored to meet the unique project needs of clients, leveraging advanced technologies and methodologies to deliver exceptional results.

📋 Description

• Design, develop and maintain backend services using Spring Boot microservices with a focus on event-driven architectures, leveraging Apache Kafka. • Implement and optimize Kafka producers, consumers and stream-processing applications, leveraging Apache Flink for streaming and real-time data analytics. • Collaborate with architects, DevOps and other developers to ensure seamless integration of Kafka, Flink and microservices within the backend ecosystem. • Monitor, troubleshoot and optimize Kafka clusters and Flink jobs for performance, reliability and scalability. • Ensure data security, compliance and best practices across all Kafka- and Flink-related solutions. • Participate in code reviews, technical discussions and contribute to continuous improvement initiatives. • Document technical solutions and keep system documentation up to date.

🎯 Requirements

• Bachelor’s degree in Computer Science, Engineering or a related field (or equivalent experience). • Proven experience (8+ years) in backend development with a strong focus on Apache Kafka and Spring Boot microservices. • Hands-on experience with Apache Flink for streaming and real-time data processing. • Proficiency in Java or Scala for backend development. • Strong understanding of distributed systems, event-driven architectures and microservices. • Experience with RESTful APIs, message brokers and data serialization formats (Avro, JSON). • Familiarity with containerization (Docker, Kubernetes) and CI/CD pipelines. • Strong problem-solving skills and ability to work in an agile environment. • Good communication skills in English and Spanish.

🏖️ Benefits

• Hybrid work model • Professional development opportunities