Chatbot Developer (WhatsApp, Telegram, Discord) - Freelance

Mindrift connects specialists with AI projects from major tech innovators, unlocking the potential of Generative AI by tapping into real-world expertise globally.

About The Role

This is a freelance role for the Tendem project (tendem.ai). As an AI Pilot (Bot Developer), you'll design, build, and refine messaging bots for platforms like WhatsApp, Telegram, Discord, and Slack. Use cases include customer service, appointment booking, order taking, content delivery, moderation, and automated notifications within a hybrid AI + human environment.

Responsibilities

• Build bots for messaging platforms (WhatsApp Business API/Cloud API, Telegram Bot API, Discord, Slack, etc.)
• Design and implement conversational flows, dialogue state, and fallback handling
• Integrate bots with LLMs (OpenAI, Anthropic) for natural language responses
• Connect bots to backend services, databases, CRMs, and third-party APIs (booking systems, payment, content sources)
• Handle webhooks, rate limits, and platform-specific message formats (interactive messages, buttons, media, templates)
• Evaluate and refactor AI-generated bot code for correctness, reliability, and error handling
• Implement logging, monitoring, and recovery for production bots

Requirements

• At least 3 years of relevant experience in backend, integration, automation, or bot development
• Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related field (a plus)
• Strong foundation in bot development, messaging platform integrations, and conversational workflows
• Ability to design and maintain production-ready bots, work with APIs/webhooks, and refine AI-assisted output
• Portfolio or examples of bots you've built (required)
• Upper-intermediate (B2) or higher English proficiency (required)

Skills

• At least 1 year of hands-on experience building bots for major messaging platforms (WhatsApp, Telegram, Discord, Slack, etc.)
• Strong command of Python or Node.js for backend bot logic
• Solid experience with REST APIs, webhooks, OAuth, and async request handling
• Experience with relational or NoSQL databases for conversation state and user data
• Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design (a plus)
• Understanding of platform-specific limits, message templates, and approval flows (e.g., WhatsApp template messages)
• Experience with hosting and deployment (Docker, serverless, VPS, or PaaS)
• Strong attention to detail and commitment to bot reliability
• Self-directed work ethic with ability to design and ship bots independently

Schedule

Tasks are estimated to require 10-20 hours per week during active project phases. This is an estimate and applies only while the project is active.

Pay

Contributors can earn up to $60 per hour equivalent, depending on level and pace of contribution. Compensation varies by project scope, complexity, and expertise.

Benefits

• Fully remote work with flexible scheduling
• Hands-on experience in a hybrid AI + human collaboration environment
• Performance-based bonus programs for high-quality work