
Senior Backend Developer, Java/Spring Boot
Posted Jul 27

Posted Jul 27
This is a fully remote position, open to applicants in Portugal.
• Develop clean, testable, and efficient Java code utilizing Spring Boot.
• Create and maintain REST APIs and backend services.
• Design and implement services within distributed systems.
• Utilize Domain-Driven Design principles effectively.
• Design, optimize, and manage PostgreSQL database schemas.
• Construct asynchronous workflows and integrations through event-driven architecture.
• Assume responsibility for specific backend modules.
• Work collaboratively with frontend developers, QA, DevOps, product managers, and designers.
• Over 5 years of experience in backend engineering.
• Proficient in Java 21 (LTS), Spring Boot 3.2+, and PostgreSQL.
• Experience with Event-Driven Architecture and Domain-Driven Design (DDD).
• Fluent in English; proficiency in Spanish is a significant advantage.
• Background in Fintech, SaaS, HR, Payroll, ERP, e-commerce, logistics, retail, AI-enabled products, or complex B2B platforms is highly desirable.
• Flexible work arrangements.
• Opportunities for professional development.
• Remote work and tooling support.
• A culture of collaboration and openness.
Sigma Software Group
Plain Concepts
GitLab
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