Own end-to-end development of the Enterprise Voice AI Agent: architecture, features, integrations, and ongoing maintenance
Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech
Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform
Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms, APIs) and their clients' infrastructure
Maintain a prioritized backlog and drive features and improvements to production independently
Serve as the main technical liaison with the portfolio company — conducting requirements sessions, reviews, and status updates in Dutch
Translate the portfolio company's business needs into technical specifications and working software
Write client-facing documentation, release notes, and user guides in Dutch
Manage expectations proactively and communicate timelines, risks, and decisions clearly
Design and integrate AI agents to automate testing, debugging, performance monitoring, and feature prototyping
Supervise agentic AI outputs to ensure they align with product goals, code standards, and security requirements
Continuously improve platform reliability, call handling quality, and voice agent performance
Apply AI tools to documentation, observability, and operational workflows

Professional Dutch language proficiency — written and spoken (this is a non-negotiable requirement)
1–3 years of professional software development experience, or equivalent strong project-based work
Strong proficiency in TypeScript and modern JavaScript
Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching)
Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations)
Working knowledge of databases (PostgreSQL, MySQL, or MongoDB), including schema design and querying
Familiarity with testing practices and frameworks (Jest, Playwright, or Cypress)
Comfortable with Git, pull requests, code reviews, and collaborative development workflows
Solid understanding of web fundamentals: HTTP, authentication, caching, security, and performance
Interest in and basic experience with AI-assisted or agentic development workflows
Experience working with voice AI platforms, telephony APIs, or conversational AI systems (e.g., Twilio, Vocode, Deepgram, ElevenLabs, Rasa)
Experience with LLM integration and prompt engineering in production systems
Experience designing, building, or supervising agentic AI tools in a software development context
Experience deploying and operating apps on cloud platforms (Vercel, AWS, GCP, Azure, or Docker)
Experience with CI/CD pipelines, logging, monitoring, and automated testing
Familiarity with the Dutch business and enterprise software landscape

AI Developer, Dutch Speaking

Key skills