I-CPT-0033: AI & ML Developer

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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).

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

.

• Seniority: Mid Level
• Languages: English