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
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
#J-*****-Ljbffr

📌 Senior Java/Ai Developer (Buenos Aires)
🏢 Eleks
📍 Buenos Aires