Lead Backend Engineer (Java)

TL;DR

Lead Backend Engineer (Java): Design, build, and maintain robust backend systems that scale with the business, with an accent on architectural decisions, performance optimization, and technical quality. Focus on evolving architecture, improving codebases through refactoring and testing, and providing technical guidance and mentorship to the engineering team.

Location: Hybrid (Porto, Portugal)

Company

hirify.global is looking for a Lead Backend Engineer for a client with over 10 years of experience developing its own product portfolio across Accounting, Compliance, and Healthcare.

What you will do

• Design, build and maintain robust backend systems that scale with the business.
• Take ownership of architectural decisions, performance optimization, and technical quality.
• Contribute across the stack, from backend development to infrastructure and CI/CD automation.
• Continuously improve codebases through refactoring, testing, and quality initiatives.
• Collaborate closely with product managers, designers, and engineers to deliver valuable features.
• Provide technical guidance and mentorship, supporting other developers in their growth.

Requirements

• Strong experience developing Java-based solutions, with a focus on scalability, performance, and maintainability.
• Experience with Spring Boot is essential.
• Solid knowledge of API design and integration, including REST, OpenAPI, and GraphQL.
• Experience working with microservices architectures and asynchronous communication.
• Hands-on experience with relational and non-relational databases (PostgreSQL, Oracle, NoSQL).
• Experience with cloud-native environments (AWS and/or GCP), Kubernetes, and serverless solutions.
• Knowledge of Infrastructure as Code practices and tools (Terraform, AWS CDK, Pulumi, Ansible, Helm) and a strong DevOps mindset.
• Excellent communication skills in English.

Culture & Benefits

• Employment Contract.
• Health Insurance.
• Meal Card.
• Gym Ticket.
• Hybrid Work (Porto - Portugal).