AI Backend Python Engineer – Software Engineer II

9 hours ago

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Pfizer

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We’re celebrating 175 years of daring scientific innovation—and we’re not done yet. Every day, we’re channeling our passion and resources into delivering innovative therapies that change the face of healthcare. Let’s outdo yesterday.

10,000+ employees

Founded 1849

💰 Post-IPO Debt on 2023-05

📋 Description

• Implement Python-based backend services (on FastAPI) for AI workloads, including LLM integration and generative AI pipelines • Develop APIs and microservices for model serving and inference with guidance from senior team members • Build and maintain AWS-based infrastructure components for AI workloads (e.g., Lambda, EKS) • Write clean, well-tested, and maintainable code following established patterns and best practices • Integrate LLMs and generative AI models into production systems using frameworks like LangChain, Langfuse, and litellm • Implement monitoring, logging, and observability features for assigned backend services • Participate in code reviews and contribute to team knowledge sharing • Debug and resolve production issues with support from senior engineers • Collaborate with cross-functional teams to understand requirements and deliver features

🎯 Requirements

• 2-4 years of professional software engineering experience or equivalent • Strong proficiency in Python for backend development in production environments • Understanding of LLMs, generative AI concepts, and modern AI frameworks (e.g., litellm, LangChain) • Experience with AWS services (Lambda, API Gateway, EKS) • Knowledge of RESTful API design and microservices architecture • Familiarity with containerization (Docker) and version control (Git) • Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience • Strong problem-solving skills and attention to detail.

🏖️ Benefits

• Health insurance • Inclusive employer for individuals with disabilities