Senior Backend Engineer - Python & FastAPI (Document AI Systems)
Location :
Remote

Employment Type :
Full time (40 Hours/Week)

Notice Period :
Immediate Joiners Only

Experience Required :
8+ Years

About The Role
We are looking for a highly skilled Senior Backend Engineer with deep expertise in Python, FastAPI, Document AI, OCR, and Large Language Models (LLMs) to design, build, and scale enterprise-grade document processing platforms.

The ideal candidate will have extensive experience developing backend systems that process large PDF documents (200+ pages), perform AI-driven document classification, support taxonomy-based workflows, and ensure high reliability, auditability, and compliance.

This role is perfect for engineers who think beyond APIs and focus on scalable architecture, workflow automation, error handling, and intelligent document-processing solutions.

Key Responsibilities
Design and develop scalable backend services using Python and FastAPI
Build high-performance systems capable of processing large PDF documents (200+ pages)




Implement AI-powered document classification using LLMs, OCR, and taxonomy-driven workflows
Design, manage, and enhance document taxonomies, classification schemas, and labeling frameworks
Develop confidence scoring, validation rules, and exception-handling mechanisms
Support multi-page document assembly and document grouping based on classification results

Build Asynchronous Processing Pipelines Using
Background Workers
Task Queues
Retry Mechanisms
Event-Driven Processing
Implement audit trails, data lineage tracking, and classification rationale logging
Integrate with Google Cloud Platform (GCP) services including :
Cloud Storage
Firestore
Cloud Tasks
Optimize infrastructure utilization and AI inference costs
Develop robust review workflows, fallback mechanisms, and automated recovery processes
Collaborate with cross-functional teams to deliver secure, scalable, and compliant document-pr

📌 Interesting Job Opportunity: Senior Backend Engineer Itanagar
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