Senior Backend Engineer (Java / Spring Boot)

Hybrid – Porto open to Remote

Freelance contract – 6 months (3+3) with potential long-term integration

Start: ASAP

We're looking for a Senior Backend Engineer to join a fast-growing company in the EV charging industry, helping design and scale the backend systems powering next-generation charging infrastructure.

You will work closely with product and engineering teams to build high-performance and reliable backend services in a modern microservices architecture.

What you'll be doing

• Design and develop scalable backend microservices using Java and Spring Boot
• Deploy and maintain services in AWS cloud environments
• Work with event-driven systems using Kafka or RabbitMQ
• Contribute to architecture discussions and system improvements
• Ensure reliability, security, and performance of backend systems
• Participate in code reviews and technical decision-making
• Collabo...