AI - Java Developer - Spain

Sword Technologies S.A.; Barcelona; Presencial; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

A leading technology firm is seeking an experienced AI Developer with strong Java expertise to join a major innovation initiative. This role focuses on developing AI-based tools for trademark classification and requires at least 5 years of software development experience, ideally with a background in AI/ML. Competitive salary and benefits package offered.

Servicios

Competitive salary and benefits package

Opportunities for professional growth

Collaborative, international team environment

Formación

• 5+ years of professional software development experience.
• Strong proficiency in Java for web application development.
• Proven experience with AI/ML frameworks and cloud-based solutions.

Responsabilidades

• Develop and implement practical AI-based tools and prototypes.
• Collaborate closely with project managers, examiners, and IT teams.
• Maintain weekly progress updates through JIRA tickets.

Conocimientos

Java proficiency

AI/ML frameworks

AWS Bedrock

Agile methodologies

Excellent documentation skills

Descripción del empleo

Overview

Location: Spain

Start date: ASAP

About the Role:

We are seeking an experienced AI Developer with strong Java expertise to join a major international innovation and digitalization initiative led by a global organization dedicated to intellectual property and public service.

The successful candidate will have at least 5 years of professional development experience, with a solid background in Java-based web applications, who has since transitioned into the AI/ML field. You will work closely with the Applicant Incubator Division to design, develop, and test AI-based tools that enhance trademark classification and intelligent agent capabilities, leveraging AWS Bedrock and related services.

This role is ideal for a seasoned developer who has evolved their career into AI and now wants to deliver impactful, operational prototypes that support both internal workflows and external global users.

Responsibilities

• Develop and implement practical AI-based tools and prototypes for trademark classification and AI agent tasks.
• Contribute to the improvement of AI models through better context processing, example injection, and retrieval-augmented generation (RAG) techniques.
• Build Java-based web interfaces for AI tool prototypes, suitable for end-user testing and feedback.
• Analyze and enhance ground truth data quality and consistency used to train and evaluate AI tools.
• Document implementations clearly and thoroughly for reproducibility and future development.
• Collaborate closely with project managers, examiners, and IT teams to ensure tools meet real-world needs.
• Maintain weekly progress updates through JIRA tickets, status reports, and technical notes.
• Ensure all developments meet the organization’s quality and information security standard.

Required Skills and Experience

• 5+ years of professional software development experience.
• Strong proficiency in Java for web application development.
• Proven experience with AI/ML frameworks and cloud-based solutions, especially AWS Bedrock.
• Demonstrated transition from traditional software development into AI/ML solution development.
• Strong knowledge of prompt engineering, data preprocessing, and AI model evaluation.
• Hands-on experience with RAG and context/example injection.
• Familiarity with Agile workflows and tools (JIRA).
• Excellent documentation and communication skills, comfortable in international environments.

Nice to Have

• Experience with NLP in the legal or trademark domain.
• Background in classification systems or semantic search tools.
• Experience developing AI tools for public sector or international organizations.

Benefits

• Competitive salary and benefits package.
• Work on meaningful AI-driven initiatives supporting international innovation.
• Opportunities for professional growth and continuous learning.
• Collaborative, international team environment with modern development practices.