Python Developer

Job Title: Python Developer Company: Apptware Job Category: Python Developer Roles & Responsibilities: Job Description : Python Backend Engineer – FastAPI \& Agentic AI Work Location \- PUNE About the Role : We are looking for a skilled Python Backend Engineer with hands\-on experience in FastAPI, asynchronous backend development, data ingestion pipelines, and Agentic AI systems. The role involves designing and maintaining high\-performance backend services, building multimodal data processing pipelines, developing LLM evaluation frameworks, and implementing intelligent agentic workflows. The ideal candidate should have strong Python programming skills, practical experience with AI\-powered systems, and the ability to write clean, simple, scalable, and maintainable code. Roles \& Responsibilities 1\. Backend Development \& API Engineering * Design, develop, optimize, and maintain asynchronous backend services using Python and FastAPI. * Build high\-performance APIs capable of handling high\-volume requests with minimal latency. * Implement non\-blocking operations using asyncio and Uvicorn. * Manage database connection pools and optimize backend performance. * Develop deterministic LLM evaluation and regression testing pipelines. * Validate model consistency, output quality, and structured response schemas using Pydantic. * Monitor agent stability and identify inconsistencies in AI\-generated responses. * Develop data ingestion pipelines for processing text, images, and videos. * Handle media decoding, validation, extraction, and processing of unstructured data. * Build reliable pipelines to transform multimodal inputs into structured data. 4\. Agentic AI \& Workflow Development * Design and implement stateful, graph\-based agent workflows. * Develop multi\-step agent execution processes involving tool calling and state reconstruction. * Handle hallucinations, prevent infinite loops, and improve agent reliability. * Implement context\-window and token management, including dynamic context pruning, summary compression, and retrieval optimization. * Build data extraction, validation, filtering, and cleansing pipelines. * Convert raw web data into structured, high\-quality inputs. * Develop high\-volume ingestion systems using request queues and API rate\-limit handling. * Implement failure management and Redis\-based backpressure control. * Develop comprehensive unit and integration test suites. * Follow test\-driven development practices. * Write clean, modular, documented, and maintainable code. * Focus on simplicity, readability, performance, and reliability. * 0 years of experience in Python Backend Development. * Strong hands\-on experience with Python, FastAPI, asyncio, and Uvicorn. * Experience building asynchronous and non\-blocking backend services. * Understanding of database connection pooling and API performance optimization. * Experience with multimodal data processing, including images, videos, media buffers, and unstructured data. * Hands\-on experience with Pydantic and structured data validation. * Strong understanding of data extraction, parsing, filtering, and cleansing. * Experience with unit testing, integration testing, and Test\-Driven Development (TDD). * Practical experience with Redis, API rate limiting, request queuing, and high\-volume data ingestion. * Experience building production AI/Agentic AI systems. * Understanding of tool calling, hallucination handling, infinite\-loop prevention, and context\-window management. * Strong problem\-solving and debugging skills. Work Location: Pune City, Maharashtra, India Availability: Full time

Experience : 0 years Required Skills \& Qualifications Key Skills: Python, Python Developer, FastAPI Salary: Not disclosed