Wayne Sletcher - AI Engineer

Professional Summary

AI Engineer with hands-on experience building and deploying production applications using LLMs, full-stack development, and cloud infrastructure. Proven ability to ship commercial products from concept to deployment, including payment integration, authentication systems, and scalable backends. Seeking opportunities to contribute to a development team while expanding expertise in AI/ML engineering and modern software development practices.

Technical Skills

AI/ML Engineering

LangChain, LangSmith, LangFuse, LlamaIndex, CrewAI, Ollama, vLLM, model fine-tuning, quantization, benchmarking, local inference optimization, GAN training, vision models (multimodal LLMs)

LLM APIs & Inference

Groq, NVIDIA NeMo, OpenRouter, Google AI, OpenAI, custom endpoint integration, prompt engineering, vision-language models

Full-Stack Development

React, JavaScript/TypeScript, HTML/CSS, Electron, C++ integration, responsive web design, UV package manager

Backend & Databases

Node.js, PostgreSQL, SQL, MongoDB (vector search), Redis, Supabase, JWT authentication

Cloud & DevOps

AWS (Amplify, Elastic Beanstalk, RDS, load balancing), Vercel, Docker, CI/CD pipelines, air-gapped systems

Payment Integration

PayFast, Square, subscription management, secure payment processing

AI Media Processing

Text-to-Speech (TTS), Speech-to-Text (STT), voice cloning, image generation, document chunking and parsing (Chonkie), vision model integration

Additional Tools

GitHub Copilot, Git version control, OpenSCAD, Blender automation

Commercial Projects

Electronic Waiver Management SaaS e-waive.com | Contract Project for US Client

Architected and deployed full-stack web application for digital waiver collection and management
Built React frontend hosted on AWS Amplify with SSL certificate, backend on AWS Elastic Beanstalk
Implemented SQL database on AWS RDS with load balancing for scalability and reliability
Integrated Square payment system for subscription billing and transaction processing
Delivered production-ready solution handling real-world legal document workflows

AI-Powered ESL Learning Platform esl.sletchersystems.com

Developed subscription-based EdTech platform with PayFast payment integration for South African market
Implemented AI feedback system for student writing submissions using LLM API integration
Built secure authentication with Supabase (JWT tokens) and encrypted data storage
Integrated text-to-speech and speech-to-text capabilities for language learning exercises
Deployed full production environment with user management and content delivery system

Sletcher Systems - Independent Projects sletchersystems.com

Built portfolio of AI-powered applications and client work under Sletcher Systems PTY (LTD)
Developed reusable deployment pipelines and infrastructure patterns for rapid project delivery
Gained experience managing full project lifecycle from requirements to production deployment

Technical Projects & Capabilities

AI Agent Development & Deployment

Built conversational AI agents using LangChain, CrewAI, and custom orchestration frameworks
Implemented monitoring and evaluation pipelines with LangSmith and LangFuse
Developed local inference solutions using Ollama for cost-effective, low-latency deployments
Created model benchmarking systems for quantized model performance evaluation

Multimodal AI & Media Processing

Integrated vision-language models for image analysis and multimodal applications
Implemented text-to-speech, speech-to-text, and voice cloning systems
Built AI image generation pipelines and trained GANs for custom use cases
Developed intelligent document chunking and parsing systems for RAG applications

Rapid Application Development

Specialized in rapid prototyping and deployment of web applications (hours to production)
Built Electron desktop applications with embedded C++ for performance-critical operations
Created air-gapped systems for sensitive data processing requirements
Consistently met project deadlines while managing multiple concurrent builds

Professional Attributes

Self-Directed: Three years of independent learning and project execution with minimal supervision
Deadline-Driven: Proven track record of delivering client projects on time and to specification
Adaptable: Rapidly learns new technologies and frameworks as project requirements demand
Remote-Ready: Experienced in asynchronous communication and remote collaboration with international clients

Additional Information

Location: Port Elizabeth, South Africa
Work Authorization: South African Citizen
Remote Work: Experienced in remote collaboration with international clients
Development Approach: Leverages AI-assisted development tools (GitHub Copilot, LLMs) for rapid, high-quality code delivery