Senior Software Engineer (Python.Web)

Ready to build operational solutions for a data-driven organization? As a Senior Software Engineer (Python.Web), you will apply your AI and machine learning expertise to transform data processing and build robust LLM-based agents. Join our team to engineer the future and maintain the high standards of reliability our clients depend on.

Responsibilities

• Develop and implement LLM-based agents using the Model Context Protocol (MCP) to call external tools
• Fine-tune open-source LLMs, using methods like LoRA and QLoRA on agent-specific datasets
• Read and implement findings from top-tier conferences such as NeurIPS, ACL and ICML
• Reproduce paper baselines and transition best practices to production
• Create data analysis toolkits to support test result evaluation and engineering decisions
• Design and maintain robust automated testing frameworks and pipelines
• Collaborate with development teams to ensure system quality and performance
• Document processes and contribute to knowledge sharing within the team

Requirements

• Proven experience in LLM development and integration
• High proficiency in Python
• Hands-on background with LLM frameworks like LangChain, LlamaIndex or similar tools
• Strong knowledge of prompt engineering, agent-based workflows and embedding generation
• Practical experience setting up MCP servers and adding tools or functions
• Track record of evaluating LLMs via systematic testing, benchmark design and custom metric development

Benefits

• By choosing EPAM, you're getting a job at one of the most loved workplaces according to Newsweek 2021 & 2022&2023
• Employee ideas are the main driver of our business. We have a very supportive environment where your voice matters
• You will be challenged while working side-by-side with the best talent globally. We work with top-notch technologies, constantly seeking new industry trends and best practices
• We offer a transparent career path and an individual roadmap to engineer your future & accelerate your journey
• At EPAM, you can find vast opportunities for self-development: online courses and libraries, mentoring programs, partial grants of certification, and experience exchange with colleagues around the world. You will learn, contribute, and grow with us