Senior Java/AI Developer

Description

Summary: ELEKS is seeking a Senior Java/AI Developer to design, build, and maintain AI-powered features and backend components, integrating AI capabilities and staying current with LLM best practices. Highlights: 1. Design and build AI-powered features and services using LLMs 2. Collaborate with product and engineering teams to integrate AI capabilities 3. Stay current with emerging LLM tooling, frameworks, and best practices 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 healthcare 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 #### **WHAT YOU WILL GET WITH ELEKS** * Close cooperation with a customer * Challenging tasks * Competence development * Ability to influence project technologies * Team of professionals * Dynamic environment with low level of bureaucracy #### **ABOUT** **ELEKS** ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991\. Our 2000\+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R\&D, design, technology consulting and dedicated teams.