About this role
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.
\nREQUIREMENTS-
5+ years of professional experience in Java and/or Python
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Hands-on experience working with LLMs (integration, evaluation, or architecture)
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Practical experience with prompt engineering
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Understanding of API design and backend service development
Nice to Have
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Experience with RAG (Retrieval-Augmented Generation) architectures
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Experience with vector databases and embeddings
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Cloud AI services experience (Azure OpenAI, AWS Bedrock, etc.)
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MLOps or LLMOps exposure
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Design and build AI-powered features and services using LLMs
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Develop and maintain backend components in Java and/or Python
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Implement prompt engineering strategies and evaluate model outputs
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Collaborate with product and engineering teams to integrate AI capabilities into existing applications
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Stay current with emerging LLM tooling, frameworks, and best practices
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Participate in Agile/Scrum delivery practices
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