Senior AI Engineer, Java

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HumanIT Digital Consulting

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

🤝 B2B

🎯 Recruiter

B2B • Recruitment

HumanIT Digital Consulting is a human-centered digital consulting and talent services firm that helps organizations find, onboard and grow people while delivering digital transformation and IT-related consulting. The company emphasizes people-first values and offers services to both jobseekers and hiring companies across offices in Portugal and Switzerland. HumanIT positions itself as a partner for businesses seeking human talent and for professionals seeking career opportunities in digital and IT roles.

📋 Description

• Shape the next generation of intelligent enterprise applications • Lead the design and implementation of autonomous AI agents capable of multi-step reasoning • Integrate commercial large language models into enterprise applications via robust RESTful APIs • Implement critical AI system reliability measures • Craft, test, and version-control complex prompts to ensure deterministic and accurate model outputs

🎯 Requirements

• Bachelor's degree in Computer Science, Engineering, or a related technical field • Minimum of 8 years of relevant professional engineering experience • Proven track record as a Java Developer, with deep expertise in designing scalable backend microservices • Hands-on programming experience using Java 17, Java 21+, and the Spring Boot framework • Strong knowledge of agentic AI frameworks such as LangChain, LangChain4j, or Spring AI • Practical experience with prompt engineering, prompt optimization, and LLM fine-tuning for production • Experience building, maintaining, and integrating robust RESTful APIs • Exceptional technical writing skills for documenting architectures, APIs, and writing comprehensive developer guides • Excellent communication skills in English (both written and spoken) for daily team collaboration.

🏖️ Benefits

• 15th month salary • Health insurance covering your family • Birthday off • Mobility program for digital nomads • Real work-life balance