Senior Java Backend Engineer

About the role

We are looking for a Senior Java Backend Engineer to join our growing team in Porto. You will work on high‑performance services that power our platform, collaborating with product owners and other engineers to deliver reliable, scalable solutions.

Key responsibilities

• Design, develop, and maintain Java‑based backend services using Spring Boot.
• Implement and optimise data access layers with SQL and relational databases.
• Integrate distributed data technologies such as Kafka for event‑driven communication.
• Participate in code reviews, testing, and continuous improvement initiatives.
• Collaborate with cross‑functional teams to define technical requirements and deliver features on schedule.

Required profile

• Minimum 6 years of professional experience as a Software Developer.
• Strong proficiency in Java and Spring Boot frameworks.
• Solid understanding of SQL, relational database design, and performance tuning.
• Experience with distributed messaging systems, preferably Kafka.
• Fluent English (B2 level); French (B2) is a plus.

Required skills

• Java
• SpringBoot
• SQL
• Relational databases
• Kafka

What we offer

• Welcome kit for new hires.
• Clear career progression without corporate bureaucracy.
• Health insurance and meal card benefits.
• Additional perks, discounts, and a supportive work environment.