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From the employer's careers site First seen 31 Oct 2026

Software Engineer

Pfizer Hangzhou, Zhejiang On-site senior full-time

The employer hasn't listed a salary.

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Description

We are seeking a skilled software engineer to join our team in Hangzhou, China. You will be responsible for designing, developing, testing, and maintaining core business systems and server-side applications.

Responsibilities:

  • Participate in product demand analysis and technical solution discussions, independently completing module design, coding, testing, and related technical documentation.
  • Develop, maintain, and optimize core business systems and server-side applications to ensure stability, availability, and high-performance operation.
  • Participate in code reviews and technical solution reviews, continuously promoting code quality, architecture optimization, and best practices.
  • Develop and integrate AI Agent and intelligent applications, including large language models (LLM), Agent Workflow, RAG knowledge base, and tool calling.
  • Utilize AI development tools to improve research and development efficiency, continuously promoting automation, intelligence, and engineering construction.

Requirements:

  • Bachelor's degree or higher in Computer Science, Software Engineering, or related fields, with 7+ years of internet or software development experience.
  • Proficient in at least one development language, such as Java or Python, with solid software development foundations and understanding of object-oriented design concepts and common design patterns.
  • Familiar with distributed system architecture design and basic principles, able to proficiently use mainstream development frameworks and technical components.
  • Experience with database design and performance optimization, familiar with relational databases such as MySQL, PostgreSQL, and non-relational databases such as Redis, MongoDB.
  • Experience with AI application development or related knowledge background, familiar with large language models (LLM), AI Agent, RAG, and Prompt Engineering.

Nice to Have:

  • Familiarity with Agent development frameworks such as LangChain, LangGraph, CrewAI, with experience in Agent Workflow design, multi-Agent collaboration development, or AI tool integration development.
  • Proficient in using AI auxiliary research and development tools to improve development efficiency.
  • Good engineering awareness, familiar with Git, Maven, Jenkins, Docker, Kubernetes, and CI/CD processes.
  • Strong problem analysis ability, learning ability, and innovation consciousness, able to independently analyze and solve complex technical problems.
  • Excellent communication coordination ability, team cooperation spirit, and stress resistance, able to efficiently collaborate with business, product, and technical teams.

Benefits:

  • Competitive salary
  • Opportunities for professional growth and development

Note: The company is an equal opportunity employer and complies with all applicable equal employment opportunity legislation.

Skills

Required

Nice to have

  • LangChain
  • LangGraph
  • CrewAI
  • Agent Workflow design
  • multi-Agent collaboration development
  • AI tool integration development

Ready to apply?

You apply with the employer directly. Their original posting is here: https://pfizer.wd1.myworkdayjobs.com/en-US/PfizerCareers/job/China---Zhejiang---Hangzhou/_4961847

Apply on Pfizer