Python AI Backend Developer

Job Description

Job Title: Python AI Backend Developer Pay Bracket: INR 6 – 10 LPA (commensurate with skills & experience) Location: Mumbai (Andheri W) Company: ZANG – the AI-powered e-commerce search engine About ZANG ZANG is re-imagining online shopping with a unified, AI-driven search experience that pinpoints the right product—at the right price—across every major marketplace. We’re an early-stage, venture-backed team that moves fast, ships often, and sweats the details. The Role We’re looking for a Python AI Backend Developer who can turn cutting-edge AI models and readily available AI services into production-ready, automated workflows. You’ll design the back-end engines that power our search, recommendation, and data-ingestion pipelines—so shoppers get relevant results in milliseconds. Key Responsibilities What you’ll own AI Workflow Engineering • Orchestrate end-to-end workflows (ingestion → processing → vector indexing → API) using Airflow, Prefect, or similar. • Combine open-source LLMs/embeddings (e.g., OpenAI, Hugging Face) with in-house models to deliver ranking, personalization, and semantic search. Backend Development • Design and scale Python micro-services (FastAPI/Falcon/Flask) that expose clean REST & gRPC endpoints. • Implement robust authentication, rate-limiting, and logging/observability. Data & Scraping Pipelines • Maintain modular scrapers for key e-commerce sites; handle rotating proxies, CAPTCHA, and dynamic pages. • Transform raw HTML into structured datasets ready for model training and search indexing. Storage & Retrieval • Optimise vector / NoSQL stores (Pinecone, Milvus, MongoDB, Elasticsearch) for low-latency reads and high-throughput writes. • Implement data versioning and retention policies. Collaboration & Reporting • Work closely with front-end, DevOps, and product teams to ship features on time. • Write clear technical docs and participate in code reviews. Must-Have Skills Expert-level Python (type hints, async IO, packaging, unit tests). Hands-on with web-scraping stacks: Scrapy / BeautifulSoup / Selenium / Playwright . Solid grasp of AI/ML & NLP concepts and libraries (PyTorch, TensorFlow, spaCy, transformers). Experience integrating third-party AI APIs (OpenAI, Cohere, Google Gemini, etc.). Production experience with REST/gRPC , containerisation (Docker), and CI/CD. Working knowledge of vector databases or search engines (e.g., Pinecone, Qdrant, Elasticsearch). Git-centric workflow and comfort with Agile/GitHub boards. Nice-to-Have Prior work on e-commerce or large-scale product-catalogue data. AWS stack (ECS, Lambda, S3, Step Functions) or equivalent cloud experience. Familiarity with recommendation systems, learning-to-rank, or reinforcement-learning-to-rank. Knowledge of orchestration tools (Airflow, Prefect, Dagster). What’s in It for You Competitive pay + stock options. The freedom to choose the best tools and ship production code from Day 1. A front-row seat in a high-growth startup solving a real consumer pain-point. A culture that values clear thinking, quick execution, and continuous learning. How to Apply Skip the queue—email your résumé (or GitHub/portfolio) to amit.letsbegin@gmail.com with the subject “Python AI Backend Developer – ZANG” . We’ll set up a quick call to dive deeper into the role and your work. If building scalable AI products is your idea of fun, we’d love to hear from you. Show more Show less