AI & ML Developer

Independent Contractor – AI & ML Developer (Remote)20four7VA is a global leader in providing virtual staffing solutions. We are expanding our technology team to integrate AI-driven automation into customer support and ticketing systems. We are seeking a skilled AI & ML Developer with expertise in NLP, chatbot development, and intelligent automation.

Key Responsibilities1. Natural Language Processing (NLP) & AI Model Development Design and develop NLP models for chatbots, sentiment analysis, and document processing. Implement text classification, named entity recognition (NER), summarization, and translation. Fine-tune and deploy pre-trained LLMs (e.g., GPT-4, BERT, LLaMA, T5).2. AI-Powered Chatbot Development Build and deploy intelligent chatbots for customer support and ticketing automation. Implement intent recognition, entity extraction, and context-aware dialogue flows. Integrate chatbots with WhatsApp, Slack, MS Teams, and WebChat. Enable multi-turn conversations and proactive AI-driven responses.3. Ticketing System Optimization Develop AI models for ticket categorization, prioritization, and auto-routing. Implement AI-powered auto-response generation for FAQs. Apply reinforcement learning for optimizing resolution workflows.4. Data Processing & Annotation Preprocess and clean ticketing logs, chat transcripts, and emails. Apply tokenization, lemmatization, and embeddings for improved NLP accuracy. Enhance supervised models through dataset labeling and annotation.5. API & System Integration Build APIs for AI-driven chatbot and ticketing automation. Integrate with CRMs and ITSM tools (e.g., ServiceNow, Zendesk, Freshdesk).Create real-time NLP analytics dashboards for chatbot performance tracking.6. AI Model Optimization & Evaluation Conduct A/B testing, hyperparameter tuning, and model benchmarking. Apply evaluation metrics (F1-score, BLEU, ROUGE, perplexity).Optimize for low-latency, real-time interactions.7. Research & Continuous Improvement Stay updated with the latest in LLMs, generative AI, and conversational AI.Experiment with Gemini, Claude, Mistral, and other cutting-edge models. Contribute to innovation in AI-driven automated support systems.8. Security, Compliance & EthicsEnsure compliance with GDPR, CCPA, HIPAA (where applicable).Implement bias detection, fairness, and ethical AI practices. Secure models against adversarial attacks and vulnerabilities.9. Collaboration & Documentation Work with IT, customer support, and automation teams. Document architectures, workflows, and training pipelines. Conduct internal training sessions for teams on AI automation tools.