Senior Java Software Engineer

We are looking for a Backend Engineer to join an Agile Software Development Team, working end-to-end on a high-scale platform delivering real value to customers worldwide.

You will contribute across the full software development lifecycle, from supporting requirements and technical design to implementation, testing, documentation, and continuous delivery.

📍 Full Remote (from Portugal)

✅ Only candidates currently living in Portugal will be considered

Compensation: €30,000 – €60,000 gross annually, based on experience

✅ Responsibilities

• Develop and maintain backend services in Java, ensuring scalability and reliability
• Support the Product Owner in refining requirements and proposing technical solutions
• Create flowcharts, technical documentation, and system layouts when needed
• Write clean, efficient, maintainable, and testable code to meet business needs
• Build unit, component, and integration tests, working closely with QA
• Deploy solutions through CI/CD pipelines and contribute to continuous improvement
• Test and document implemented features and system changes

🎯 What You Bring

• 3+ years of proven experience in Java (preferably Java 8+)
• Strong experience in other OOP languages is also acceptable, but the role is Java-focused
• Experience working on high concurrency / high transactional / highly available systems
• Familiarity with client-server protocols such as:
• REST
• SOAP
• Solid knowledge of design patterns and reusable engineering practices (e.g., extracting libraries, building shared components)

⭐ Nice to Have (Tech Stack Exposure)

Our teams work with modern distributed systems and technologies such as:

• Scala
• Kafka
• Akka
• Memcached
• Apache Storm
• Apache Cassandra
• Zookeeper
• RabbitMQ

👉 Don’t worry if you haven’t worked with all of them, we support onboarding and continuous learning.

✅ Work Conditions

• Full Remote (Portugal)
• Join an international team working on a global-scale product
• Agile environment focused on engineering excellence and continuous delivery

⚠️ Important: Only candidates who are already living in Portugal will be considered.