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 offic
e, 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

📌 Senior Java/AI Developer (Provincia de Buenos Aires)
🏢 Eleks
📍 Provincia de Buenos Aires