Senior Backend Engineer
Location
IST (UTC+5:30)
Posted
23 days ago
Salary
0
Seniority
Senior
Job Description
Senior Backend Engineer
Evnek Technologies Pvt Ltd
Role Description We are seeking a Senior Backend Engineer with strong expertise in Python and FastAPI to design and scale a high-performance document-processing backend. The system will handle large, complex PDFs and support AI-driven classification workflows. Key Responsibilities - Design and develop backend services to reliably process large PDF documents (200+ pages) - Implement AI-driven document classification using taxonomy-based models with confidence scoring - Build and maintain document taxonomies for classification, grouping, and validation logic - Enable multi-page document assembly using taxonomy rules and page-level signals - Develop robust exception handling mechanisms (fallback flows, “needs review” pipelines) - Implement audit trails and data lineage, including taxonomy versioning and classification rationale - Optimize system performance to ensure scalability and cost-efficient AI inference - Support loan processing workflows by classifying and validating borrower documents (KYC, income proofs, bank statements, agreements, etc.) Qualifications - 4+ years of hands-on experience in Python development - Strong expertise in FastAPI for backend services - Experience with PDF processing libraries such as PyPDF2, pdf2image, or similar - Hands-on experience integrating LLM APIs (preferably GPT-4 Vision or similar) - Experience working with Google Cloud Platform (GCP): Cloud Storage, Firestore, Cloud Tasks - Strong understanding of asynchronous job processing (queues, workers, retry logic) - Error handling and fault tolerance - Data lineage and audit systems - Experience in document taxonomies / classification schemas - OCR or document processing systems - AI-driven workflows and structured labeling systems Preferred Qualifications - Background in financial services or compliance-driven environments - Experience with taxonomy versioning - Confidence thresholds - Rules-based validation systems
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