Senior Associate, DS & AI Backend Engineer
- Pfizer
- 2 - 5 years
- Mumbai
- 7 days ago
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Job Description
The AI Acceleration (AIA) function within the Chief Marketing Office (CMO) is the single, business-led engine that owns the design, delivery, and scale-up of priority AI capabilities across Commercial
AIA works in tight collaboration with various Pfizer functions to deploy and maintain production-grade AI solutions that simplify how we work and drive measurable value across all processes
AIA works in tight collaboration with various Pfizer functions to deploy and maintain production-grade AI solutions that simplify how we work and drive measurable value across all processes
As a Senior Associate, Backend Engineer , you will develop, and scale backend systems that power autonomous, tool using AI agents
This role focuses on building reliable, high performance services that enable multi step reasoning, planning, memory, retrieval, and tool integration across AI-driven workflows
This role focuses on building reliable, high performance services that enable multi step reasoning, planning, memory, retrieval, and tool integration across AI-driven workflows
- Build automated evaluation pipelines for agent reliability, accuracy, and safety
- Implement multi step reasoning, planning, and tool execution loops
- Deploy and maintain services using Docker, CI/CD, and cloud environments
- Ensure compliance with security, RBAC, and data protection requirements
- Develop state and memory systems for agent context and knowledge retention
- Optimize RAG pipelines and retrieval infrastructure
- Implement guardrails, validation layers, retry logic, and failure handling mechanisms
- Build automated evaluation pipelines for agent reliability, accuracy, and safety
- Implement multi step reasoning, planning, and tool execution loops
- Deploy and maintain services using Docker, CI/CD, and cloud environments
- Ensure compliance with security, RBAC, and data protection requirements
- Develop state and memory systems for agent context and knowledge retention
- Optimize RAG pipelines and retrieval infrastructure
- Implement guardrails, validation layers, retry logic, and failure handling mechanisms
- Develop monitoring for agent behavior, performance, cost, and decision paths
- Architect scalable, fault tolerant backend systems with observability and logging
- Build backend services supporting agentic and generative AI workflows
- Integrate LLMs with APIs, tools, databases, and external systems
Basic Qualifications
- bachelors or masters degree in computer science, or a related field (or equivalent experience)
- 2-5 years of experience in software engineering, data science, or related technical fields
Backend Engineering
- Proficiency in Python
- Experience with FastAPI or Flask
- Knowledge of REST APIs, async processing, and distributed workers
- Experience with relational, NoSQL, and vector databases
System Design & Operations
- Hands-on experience with observability (logging, metrics, tracing)
- Proficiency with Docker, CI/CD pipelines, and cloud platforms
Security & Compliance
- Knowledge of API security, RBAC, and data handling best practices
- Experience working with PII and sensitive data
Preferred Qualifications
- Familiarity with LangGraph, LangChain, LlamaIndex, CrewAI, AutoGen, or similar frameworks
- Understanding of tool-calling, structured outputs, and prompt reliability
- Experience with OpenAI/Azure OpenAI, Anthropic, Mistral, or open-source LLMs
- Experience with multi agent workflows
- Exposure to workflow orchestration tools (Airflow, Temporal, Dagster, Prefect)
- Familiarity with model serving frameworks (vLLM, Ray Serve, TGI, Modal)
- Understanding of AI safety, guardrails, and evaluation frameworks
Job Classification
Industry: Pharmaceutical & Life SciencesFunctional Area / Department: Engineering - Software & QARole Category: Software DevelopmentRole: Search EngineerEmployement Type: Full timeContact Details:
Company: PfizerLocation(s): Mumbai+ View Contact
Keyskills: security compliance Backend HP data protector Cloud System design Deployment Open source Monitoring
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Pfizer careers are like no other. In our culture of individual ownership, we believe in our ability to improve future healthcare, and potential to transform millions of lives. We’re looking for new talent to join our global community, to unearth new innovative therapies that make the world a ...
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