Here at Craftable, we create best-in-class technology for world-renowned bars and restaurants. We were founded back in 2015 in Silicon Valley by tech experts and hospitality industry veterans. Since then, we have brought the best to Texas for a warm southern twist! Our goal is to collaborate with restaurateurs, operators, and accountants to reduce labor costs, increase efficiency, and drive profit for our clients. Our platform is built to accommodate operators from independent restaurateurs to regional and national chains.

Overview:

We're seeking a senior engineer to expand and enhance our hybrid RAG AI OCR system that processes invoices from major vendors like Sysco, Chef's Warehouse, and hundreds of other suppliers. You'll work on a system that combines cost optimization with accuracy improvements through intelligent prompt engineering and vector-based pattern matching.

What You Will Work On:

Core Systems

• Hybrid AI OCR Pipeline: Enhance our two-phase processing system (quick analysis → RAG-enhanced extraction)

• Vector Pattern Storage: Expand our Pinecone-based vendor pattern repository for improved contextual understanding

• Multi-Model Architecture: Work with Gemini 2.5 Flash for volume processing and Claude Opus 4.1 for complex cases

• Smart Routing Logic: Develop confidence scoring algorithms to route documents to appropriate AI models

• Real-time Processing: Scale our Java Spring Boot microservices architecture for high-throughput document processing

Advanced Features

• Hierarchical Data Extraction: Complex invoice structures with nested line items and section headers

• Multi-page Invoice Handling: Extraction across document pages with state management

• Reconciliation Systems: Automated validation against purchase orders and inventory systems

• Performance Analytics: Monitoring and optimization tools for processing accuracy and cost metrics

Required Skills:

• Java Spring Boot 3.x+ - 5+ years enterprise application development

• Hibernate/JPA - Complex data modeling and optimization

• AI/ML Integration - Experience with LLM APIs (OpenAI, Anthropic, Google AI)

• Vector Databases - Pinecone, Weaviate, or similar embedding storage systems

• Image Processing - OCR, computer vision, or document analysis experience

• RESTful APIs - High-volume API design and optimization

• Database Design - PostgreSQL or similar enterprise databases

• Docker/Kubernetes - Container orchestration for scalable deployments

Preferred Experience:

• Document Intelligence - Previous work with invoice, receipt, or form processing

• Prompt Engineering - LLM optimization and cost management strategies

• RAG Systems - Retrieval-augmented generation implementation experience

• Enterprise Integration - ERP systems, accounting software integration

• Performance Optimization - High-throughput system design and monitoring

• Computer Vision - OpenCV, image preprocessing, quality enhancement

• Cloud Platforms - AWS/GCP experience with AI/ML services

Current Architecture

• Java Spring Boot 3.x → Hibernate → PostgreSQL

• Gemini 2.5 Flash (primary processing)

• Claude Opus 4.1 (complex cases)

• Pinecone Vector DB (pattern storage)

• Redis (caching/session management)

• Docker/Kubernetes (deployment)

Key Projects You'll Own:

1. Advanced Pattern Recognition

Expand our vendor-specific pattern library to handle:

• Service invoices vs. product invoices

• SaaS billing structures

• Credit memos and adjustments

• International invoice formats

• Multi-currency processing

2. Performance Optimization

• Reduce processing costs through smarter prompt engineering

• Implement intelligent caching strategies

• Optimize vector similarity search performance

• Develop batch processing capabilities for high-volume periods

3. Quality Assurance Systems

• Build automated accuracy measurement tools

• Create A/B testing frameworks for model comparisons

• Develop confidence scoring algorithms

• Implement feedback loops for continuous improvement

4. Integration Expansion

• Connect to additional vendor portals and APIs

• Build webhook systems for real-time processing

• Create audit trails and compliance reporting

• Develop mobile scanning capabilities

What We Offer:

• Work with the latest AI/ML tools and techniques

• Your work directly affects thousands of restaurant operations daily

• Stay current with rapidly evolving AI landscape

• Work with cross-functional teams including data scientists and product managers

• Lead architectural decisions and mentor junior developers

• Competitive salary

• Competitive benefits package including medical, dental, and vision insurance

• Supplemental national holidays, parental, personal, bereavement, and reproductive loss leave plans etc.

• Unlimited PTO

• Retirement plans with 401(k) match

• Opportunities for career growth and professional development

• Vibrant company culture with frequent team-building events

• A collaborative and supportive work environment that values innovation and inclusivity