About this role.
Mindrift is seeking a freelance Chatbot Developer to design and build conversational bots for platforms like WhatsApp, Telegram, Discord, and Slack. The role involves creating conversational flows, integrating with LLMs and backend services, and ensuring production-ready reliability. This part-time remote position is ideal for experienced developers who can work independently and deliver high-quality messaging integrations. The developer will handle everything from API integration to debugging and optimization, with a focus on user-friendly and maintainable solutions. Successful candidates will contribute to the Tendem project and help advance AI-powered messaging experiences.
Role DNA
A quick view of the complexity, pace, ownership and collaboration implied by the job description.
Job Complexity
4/5Pace & Pressure
4/5Autonomy Level
5/5Communication Load
3/5Salary analysis
Estimated compensation compared with the broader US market for similar roles.
Core skills
Skills and capabilities most closely associated with this opportunity.
Cover letter sample
Dear Hiring Team,
I am excited to apply for the Chatbot Developer freelance opportunity with Mindrift. With over three years of hands-on experience building production-ready bots for WhatsApp, Telegram, and Discord, I have developed a strong command of platform APIs, webhooks, and conversational design.
My technical expertise includes Python and Node.js, along with integrating LLMs like OpenAI and Anthropic to create intelligent and responsive user experiences. I have also implemented robust logging and error handling to ensure bots remain reliable in real-world scenarios.
I am particularly drawn to the Tendem project because of its focus on practical, user-centric AI applications. My ability to work independently and ship complete solutions aligns well with the self-directed nature of this role.
I would welcome the opportunity to discuss how my skills can contribute to your team. Thank you for your consideration.
Sincerely,
[Your Name]
Sample interview questions
I built a WhatsApp bot for customer service that handled appointment booking. The main challenge was managing rate limits and ensuring message delivery within template constraints. I implemented a queue system and used Cloud API's webhook verification to maintain reliability. I also set up fallback handling for out-of-scope queries, redirecting them to a human agent.
I always include an intent recognition layer, whether rule-based or via an LLM, and define fallback intents. The bot asks clarifying questions or offers options when confidence is low. I also implement a 'help' command and logging to analyze failure points, allowing continuous improvement of the dialogue.
I create a modular service layer that the bot calls using REST APIs or database connectors. For example, when a user books an appointment, I send a POST request to the CRM endpoint with OAuth authentication. I also store conversation state in a NoSQL database to maintain context across sessions.
I implement comprehensive logging, monitor webhook deliveries, and use retry mechanisms with exponential backoff. For third-party API failures, I design graceful degradation where the bot informs the user and retries later. I also use containerization and health checks to ensure the service restarts automatically.
I regularly review official documentation and release notes for each platform. For WhatsApp, I monitor template approval policies and message limits. I also test in sandbox environments and maintain a changelog for code updates. Attending community forums and webinars helps me stay informed about upcoming changes.
Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) 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.
What We Do
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.
About the Role
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.
Key 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.
Requirements and benefits
Educational qualifications
- At least 3 years of relevant experience backend, integration, automation, or bot development experience (required).
- Bachelor’s or Master’s Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.
Academic and/or Professional Experience
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.
Technical Skills (Essential)
- 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.
- Familiarity with LLM APIs (OpenAI, Anthropic) and prompt design for conversational use is a strong 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)
Additional requirements
- 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)
Project time expectations
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.
Compensation
On this project, contributors can earn up to $30 per hour equivalent, depending on their level and pace of contribution.
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.
Why this freelance opportunity might be a great fit for you?
- 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.
Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›
Upload your resume now
- To unlock remote work opportunities and be discovered by global employers.
This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content.
