I-CPT-0033: AI & ML Developer

Location: Argentina; India; Philippines; Nigeria APPLICATION INSTRUCTIONS: If you’ve already completed the 20four7VA Recruiting Process—including the Final Interview—or have previously been contracted by a 20four7VA Client, please make sure to apply via the 20four7VA Team Portal for faster processing. Log in using your 20four7VA-issued email address to access the portal. If you’ve just logged in to the Team Portal, please proceed to review the Independent Contractor Opportunity outlined below. 💡 Quick Tip: Upload your resume first—this will automatically populate most of the fields in the application form. Let the magic happen! If you're interested in this opportunity, click APPLY TO POSITION to proceed. ******************************************************************** Title : Independent Contractor – AI & ML Developer (Remote). About 20four7VA 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. Work Hours: 20 hrs/week (potential to go full-time) Schedule: 9:30 AM – 2:30 PM EST (Flexi, preferably weekdays) Key Responsibilities 1. 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 & Ethics Ensure 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. Technologies & Tools Programming: Python, Django, Flask AI/ML: OpenAI API, Hugging Face Transformers, TensorFlow, PyTorch Frontend/Integration: React, REST APIs, Webhooks Databases: MySQL, MongoDB, PostgreSQL Platforms: NLP/Conversational AI platforms (Dialogflow, Rasa, LangChain, etc.) Preferred Experience AI-powered chat-based support systems . Automated ticketing workflows using ML. Hands-on experience with large-scale chatbot deployments . Exposure to enterprise-level CRM/ITSM integrations . Why Join Us? Opportunity to steer AI innovation in global support systems. Flexible schedule with potential to grow into full-time role . Collaborative remote-first culture with focus on automation, innovation, and impact .