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๐ŸŒŽ Backend Java Developer - Remote, Contract

Remote ยท Portugal Full-time

Job Title: Backend Java Developer

Job Type: Contract

Location: Remote

Required Skills

  • JAVA

  • Spring Boot

  • Microservices

As a Backend Java Developer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required โ€” your domain knowledge is what matters.

Key Responsibilities

  • Design, develop, and maintain scalable backend systems using Java and Spring Boot.

  • Architect robust microservices solutions to support complex application requirements.

  • Collaborate with the customer's team to review technical specifications and deliver high-quality code.

  • Contribute expert insights to improve application performance, reliability, and security.

  • Participate in code reviews and provide constructive feedback to peers.

  • Document technical processes and solutions with clear, concise written communication.

  • Troubleshoot, debug, and optimize backend systems as needed.

Required Skills and Qualifications

  • Expert proficiency in Java programming language.

  • Hands-on experience with Spring Boot framework for backend development.

  • Strong knowledge of microservices architecture and design principles.

  • Demonstrated ability to write clean, maintainable, and efficient code.

  • Exceptional written and verbal communication skills, with a keen attention to detail.

  • Experience collaborating with remote teams in a fast-paced environment.

  • Solid understanding of REST APIs, data structures, and backend best practices.

Preferred Qualifications

  • Exposure to cloud platforms such as AWS, Azure, or Google Cloud.

  • Prior experience working on AI-driven or data-intensive projects.

  • Background in high-availability or distributed systems.

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