We're currently searching for a Senior Python Developer who carries substantial, real-world technical expertise to strengthen our engineering team. This position offers exposure to pioneering projects that stretch the limits of contemporary software craftsmanship. You'll work alongside a talented set of colleagues who place equal weight on solid technical delivery and imaginative problem-solving. This opportunity is well-suited to those eager to build lasting, innovative solutions while thriving in an active, quickly evolving team atmosphere.
Responsibilities
- Define backend API structure and orchestration mechanisms that facilitate integration with large language models
- Establish and maintain intricate Retrieval-Augmented Generation (RAG) workflows, encompassing document intake, text segmentation, embedding creation, and improved retrieval techniques
- Craft and integrate agent-oriented tools leveraging frameworks like LangChain and LangGraph, incorporating Model Context Protocol (MCP) when applicable
- Enforce strict security practices, protect data confidentiality,



provide enterprise-caliber monitoring, and ensure thorough test coverage throughout backend systems
- Play a direct part in guiding architectural choices and shaping technical standards within the engineering group
- Collaborate with frontend engineers, data engineering personnel, and infrastructure teams to achieve unified, well-coordinated results

Requirements
- Three or more years of hands-on backend engineering experience, with particular focus on microservices and distributed systems architecture
- Demonstrated ability applying Python to develop high-performance backend systems and cloud-native APIs
- Practical experience creating applications rooted in Generative AI capabilities
- Applied familiarity with LangChain for constructing language model-powered applications
- Broad knowledge covering AWS, Docker, container orchestration tools like ECS/EKS, and RESTful API development
- Strong founda

📌 Senior Python Developer (Argentina)
🏢 EPAM Systems
📍 Argentina