Chatbot Developer (WhatsApp, Telegram, Discord) - Freelance

Mindrift • Lebanon, PA

8h • Remote

About The Position

Mindrift is seeking skilled Bot Developers for the Tendem project to build conversational bots and messaging-platform integrations for real-world applications. This role involves using bot engineering expertise, conversational design skills, and a quality-focused approach to create reliable and user-friendly bots and messaging integrations. This is a part-time, remote opportunity for professionals experienced in building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. The Mindrift platform connects specialists with innovative technology projects, aiming to develop high-quality AI technologies by combining global professional expertise with advanced AI development.

Requirements

• At least 3 years of relevant experience backend, integration, automation, or bot development experience.
• At least 1 year of hands-on experience building bots for at least one major messaging platforms (WhatsApp, Telegram, Discord, Slack, or similar) is required.
• 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 storing conversation state and user data.
• 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 — no silent failures, no broken flows.
• Self-directed work ethic with the ability to design and ship complete bots independently.
• Portfolio or examples of bots you've built (required).
• English proficiency: Upper-intermediate (B2) or above (required).

Nice To Haves

• Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.
• Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design for conversational use is a strong plus.

Responsibilities

• Build bots for one or more messaging platforms, such as WhatsApp (Business API / Cloud API), Telegram (Bot API), Discord, Slack and similar messaging platforms.
• Design and implement conversational flows, dialogue state, and fallback handling.
• Integrate bots with LLMs (OpenAI, Anthropic, or similar) for natural language responses where appropriate.
• 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).
• Review, debug, optimize, and refactor bot implementations to improve correctness, reliability, maintainability, and graceful error handling.
• Implement logging, monitoring, and recovery so bots stay healthy in production.

Benefits

• Work fully remote on your own schedule with just a laptop and stable internet connection.
• Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform.
• Participate in performance-based bonus programs that reward high-quality work and consistent delivery.

What This Job Offers

• Job Type: Part-time
• Career Level: Mid Level
• Education Level: Associate degree