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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).
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.
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.
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.
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.
Conduct A/B testing, hyperparameter tuning, and model benchmarking.
Apply evaluation metrics (F1-score, BLEU, ROUGE, perplexity).
Optimize for low-latency, real-time interactions.
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.
Ensure compliance with GDPR, CCPA, HIPAA (where applicable).
Implement bias detection, fairness, and ethical AI practices.
Secure models against adversarial attacks and vulnerabilities.
Work with IT, customer support, and automation teams.
Document architectures, workflows, and training pipelines.
Conduct internal training sessions for teams on AI automation 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.)
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.
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.
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