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Senior Java/AI Developer, JR604

Yesterday 2026/11/21 ·Application closes in 118 days
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Job description

ELEKS Software Engineering & Development Office is looking for a Senior Java/AI Developer based in Buenos Aires for a hybrid position: 2–3 days per week onsite at our local office, with the remaining days remote.
Working hours: 10:00 AM – 6:00/7:00 PM ART 
ABOUT PROJECT
The client is among the top-5 health insurance companies in the US. They are dedicated to expanding access to high-quality, cost-effective health care and equipping their members with information and tools so they can make the best health care decisions for themselves and their families.


REQUIREMENTS


    • 5+ years of professional experience in Java and/or Python


    • Hands-on experience working with LLMs (integration, evaluation, or architecture)


    • Practical experience with prompt engineering


    • Understanding of API design and backend service development



Nice to Have


  • Experience with RAG (Retrieval-Augmented Generation) architectures


  • Experience with vector databases and embeddings


  • Cloud AI services experience (Azure OpenAI, AWS Bedrock, etc.)


  • MLOps or LLMOps exposure




RESPONSIBILITIES


    • Design and build AI-powered features and services using LLMs


    • Develop and maintain backend components in Java and/or Python


    • Implement prompt engineering strategies and evaluate model outputs


    • Collaborate with product and engineering teams to integrate AI capabilities into existing applications


    • Stay current with emerging LLM tooling, frameworks, and best practices


    • Participate in Agile/Scrum delivery practices




This job post has been translated by AI and may contain minor differences or errors.
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