Chatbot Developer (WhatsApp, Telegram, Discord) - Freelance
Mindrift is looking for skilled <strong>Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API)</strong> to join the Tendem project ( and build conversational bots and messaging-platform integrations for real-world applications. In this role, you'll use your bot engineering expertise, conversational design skills, and quality-focused approach to build reliable, useful bots and messaging integrations that deliver a great user experience. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic.<br><br><strong>What We Do<br><br></strong>The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.<br><br><strong>About The Role<br><br></strong>This is a freelance role for a Tendem project. As a Bot Developer, you'll design, build, and refine messaging bots for one or more messaging platforms, including WhatsApp, Telegram, Discord, Slack, and similar platforms — for use cases such as customer service, appointment booking, order taking, content delivery, moderation, and automated notifications.<br><br><strong>Key Responsibilities<br><br></strong><ul><li>Build bots for one or more messaging platforms, such as WhatsApp (Business API / Cloud API), Telegram (Bot API), Discord, Slack and similar messaging platforms</li><li>Design and implement conversational flows, dialogue state, and fallback handling</li><li>Integrate bots with LLMs (OpenAI, Anthropic, or similar) for natural language responses where appropriate</li><li>Connect bots to backend services, databases, CRMs, and third-party APIs (booking systems, payment, content sources)</li><li>Handle webhooks, rate limits, and platform-specific message formats (interactive messages, buttons, media, templates)</li><li>Review, debug, optimize, and refactor bot implementations to improve correctness, reliability, maintainability, and graceful error handling</li><li>Implement logging, monitoring, and recovery so bots stay healthy in production<br><br></li></ul><strong>Requirements And Benefits<br><br></strong><em><strong>Educational qualifications<br><br></strong></em><ul><li>At least 3 years of relevant experience backend, integration, automation, or bot development experience (required)</li><li>Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus<br><br></li></ul><em><strong>Academic and/or Professional Experience<br><br></strong></em>Candidates should have a strong foundation in bot development, messaging platform integrations, and building reliable conversational workflows. We are looking for specialists who can design and maintain production-ready bots, work confidently with APIs, webhooks, and backend services, and build stable, user-friendly bot experiences. Strong problem-solving skills, attention to detail, and the ability to work independently are essential.<br><br><strong>Technical Skills (Essential)<br><br></strong><ul><li>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</li><li>Strong command of Python or Node.js for backend bot logic</li><li>Solid experience with REST APIs, webhooks, OAuth, and async request handling</li><li>Experience with relational or NoSQL databases for storing conversation state and user data</li><li>Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design for conversational use is a strong plus</li><li>Understanding of platform-specific limits, message templates, and approval flows (e.g., WhatsApp template messages)</li><li>Experience with hosting and deployment (Docker, serverless, VPS, or PaaS)<br><br></li></ul><strong>Additional Requirements<br><br></strong><ul><li>Strong attention to detail and commitment to bot reliability — no silent failures, no broken flows</li><li>Self-directed work ethic with the ability to design and ship complete bots independently</li><li>Portfolio or examples of bots you've built (required)</li><li>English proficiency: Upper-intermediate (B2) or above (required)<br><br></li></ul><strong>Project time expectations <br><br></strong>For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.<br><br><strong>Compensation<br><br></strong>On this project, contributors can earn up to <strong>$35 per hour equivalent</strong>, depending on their level and pace of contribution.<br><br>Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.<br><br><strong>Why this freelance opportunity might be a great fit for you? <br><br></strong><ul><li>Work fully remote on your own schedule with just a laptop and stable internet connection</li><li>Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform. </li><li>Participate in performance-based bonus programs that reward high-quality work and consistent delivery</li></ul>