23 hours ago
Kolkāta, IndiaMid Level
Responsibilities
- Design and build the core intelligence and services layer of AI-powered enterprise applications.
- Develop scalable asynchronous backend services in Python and build multi-agent LLM pipelines for document analysis, content generation, and RAG-based question answering.
- Build traditional backend services and LLM-powered applications using modular, layered architectures.
- Design, implement, and scale agentic workflows, RAG pipelines, and supporting data and job-processing infrastructure with cross-functional product teams.
- Advance specification-led, agent-driven software development with appropriate human approval gates.
- Work with agentic AI frameworks, vector databases, prompt engineering, AI-assisted development tools, and LLM evaluation frameworks.
- Contribute to client engagements and develop technical knowledge within PwC’s Advisory practice.
Requirements
- Strong backend software engineering experience with deep Python expertise, including async/await and asyncio.
- Hands-on experience building production services with FastAPI or similar asynchronous frameworks.
- Proficiency with SQL and SQLAlchemy 2.0, including relational data modeling.
- Experience designing modular, layered architectures using Clean Architecture and dependency injection principles.
- Hands-on experience building LLM-powered applications and RAG pipelines, including ingestion, chunking, embeddings, and vector search.
- Experience with CI/CD pipelines and containerized environments using Docker.
- Strong analytical, debugging, and problem-solving skills.
- Preferred experience optimizing multi-agent workflows with LangChain, LangGraph, or DeepAgents, including tool calling and agent routing.
- Preferred experience with production LLM applications, RAG solutions, AI agents, vector databases, Azure services, LLM observability and evaluation tools, and AI-assisted development tools.
- Experience in finance, tax, legal, regulated, or document-intensive domains is valued.
About PwC
PwC is a global network of professional services firms providing assurance, tax, and advisory work for businesses and public-sector clients. It sells project-based and managed consulting, audit, and deals services, and implements and integrates business applications. Formed in 1998 by the merger of Price Waterhouse and Coopers & Lybrand, it is headquartered in London and is one of the Big Four accounting firms.