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Posted 6d ago

Senior Software Engineer (Python.Web)

@ EPAM Systems
Shanghai, Shanghai Shi, China
OnsiteFull Time
Responsibilities:developing agents, fine-tuning models, designing tests
Requirements Summary:Experience building and integrating LLM-based agents, proficiency in Python, hands-on with LangChain or LlamaIndex, MCP setup, prompt engineering, and systematic LLM evaluation.
Technical Tools Mentioned:Model Context Protocol (MCP), LangChain, LlamaIndex, Python, LoRA, QLoRA, Large Language Models (LLM)
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Job Description

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

We offer/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

• Here, we summarize the typical journey to finding a job within EPAM.

• Apply and tell us about yourself!

• Go through some standard interviews:

  • General interview with a recruiter
  • Technical interview with our technology experts
  • Manager interview or Offer interview with a hiring manager

• Get ready to join the team!

• Not sure if you meet all the requirements? No problem. Let's talk anyway and find out more!

• It takes 1 min of application to start the journey with us. Apply now!

Life at EPAM

  • EPAM Systems Inc. (EPAM) is a leading digital transformation services and product engineering company.
  • We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to various innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to learn and grow continuously.