Freelance Chatbot Developer (WhatsApp / Telegram / Discord)

Mindrift is a platform that connects specialists with AI projects from major tech innovators. The role is part of the Tendem project focused on building conversational bots and messaging-platform integrations within a hybrid AI and human environment.

• At least 3 years of relevant experience in backend, integration, automation, or bot development.
• A Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.
• At least 1 year of hands-on experience building bots for major messaging platforms such as WhatsApp, Telegram, Discord, or Slack.
• Strong command of Python or Node.js for backend bot logic.
• Solid experience with REST APIs, webhooks, OAuth, and asynchronous request handling.
• Experience with relational or NoSQL databases for conversation state and user data.
• Familiarity with LLM APIs (e.g., OpenAI, Anthropic) and prompt design is a strong plus.
• Understanding of platform-specific limits, message templates, and approval flows.
• Experience with hosting and deployment using Docker, serverless architectures, VPS, or PaaS.
• Strong attention to detail and commitment to bot reliability.
• Ability to work independently and ship complete bots.
• Portfolio or examples of bots built are required.
• English language proficiency at Upper-intermediate (B2) level or above.

• Build bots for WhatsApp (Business API / Cloud API), Telegram (Bot API), Discord, 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 as appropriate.
• Connect bots to backend services, databases, CRMs, and third-party APIs such as booking systems and payment gateways.
• Handle webhooks, rate limits, and platform-specific message formats including interactive messages, buttons, media, and templates.
• Evaluate AI-generated bot code and refactor it for correctness, reliability, and error handling.
• Implement logging, monitoring, and recovery to maintain bot health in production.

Candidates must be located in Poland as indicated by the location and remote work specification with Poland mentioned explicitly.