Key Skills

Job Description

About The Company Zonneplan is a forward-thinking company dedicated to creating a sustainable future by eliminating fossil energy use in the Netherlands. Our mission, known as Plan Zero, focuses on zero emissions, zero waste, and zero dependency. We leverage cutting-edge generative AI technologies to empower both our customers and colleagues through innovative AI-driven solutions. Our Applied GenAI Team embodies a Silicon Valley mindset, rapidly transforming ideas into production-ready systems within days, not months. We foster a collaborative environment where experimentation and ownership are encouraged, all aimed at accelerating the energy transition in the Netherlands. About The Role As a GenAI Engineer at Zonneplan, you will be the technical owner of our generative AI solutions, including systems like Kiki, our AI assistant handling over 120,000 conversations monthly. You will take end-to-end responsibility for designing, building, monitoring, optimizing, and evolving agentic systems. Your work will involve testing the latest large language models (LLMs), speech-to-text models, and other generative AI technologies on real customer interactions. You will create and integrate AI agents within our proprietary platform, AgentOS, and develop evaluation frameworks to continuously improve agent performance based on real-world feedback. In this role, you will also be responsible for building and maintaining the knowledge bases and context agents require, using technologies such as knowledge graphs (Neo4j) and vector databases. You will automate workflows with tools like n8n to improve internal processes and enhance colleague productivity. This position offers significant responsibility and freedom to experiment with frontier AI models and development stacks, enabling you to make a meaningful impact on the energy transition. Qualifications Minimum 1 to 2 years of development experience, preferably with Python or TypeScript Strong enthusiasm for generative AI and a proactive "getting things done" mentality Affinity with prompt engineering and familiarity with concepts such as Chain of Thought prompting and Few Shot Examples Experience or interest in working with AI development platforms like Claude Code or Codex is a plus Ability to take technical ownership of complex systems and translate process analyses into functional solutions Comfortable collaborating with diverse stakeholders, bridging technical and business perspectives Proficiency in the Dutch language is required Responsibilities Design, build, monitor, optimize, and maintain generative AI agentic systems end-to-end Develop new AI agents including agentic flows and prompt engineering strategies Integrate custom-built multi-channel platforms (MCPs) within the AgentOS agent platform Create evaluation frameworks and improve agents using real customer cases and feedback, including LLM-as-judge systems Build and maintain knowledge graphs and vector databases to provide agents with accurate context and information Automate workflows using tools like n8n to streamline internal processes and improve team productivity Experiment with and deploy the latest generative AI models and technologies in collaboration with a multidisciplinary development team Collaborate closely with data scientists, ML engineers, developers, and business stakeholders to align AI solutions with organizational goals Benefits Competitive monthly salary ranging from €3,250 to €5,000, based on experience and expertise 25 vacation days with the option to purchase additional days Travel expense reimbursement Personal choice budget for sports, groceries, or other personal needs Access to cutting-edge generative AI tools including Codex or Claude Max subscriptions Opportunity to work with a dedicated and experienced team passionate about generative AI and innovation High level of responsibility and autonomy in shaping AI solutions that contribute to the energy transition Equal Opportunity Zonneplan is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage applications from all qualified individuals regardless of race, gender, disability, age, sexual orientation, or any other characteristic protected by law. Our hiring process is designed to be fair and unbiased, ensuring every candidate has an equal chance to contribute to our mission of a sustainable future.

Core Responsibilities

Own generative AI systems end to end, including designing, building, monitoring, optimizing, and maintaining agents and agentic workflows. Integrate agents into AgentOS, develop evaluation frameworks, maintain knowledge graphs and vector databases, and automate internal workflows.

Requirements

Applicants need at least 1–2 years of development experience, preferably with Python or TypeScript, along with enthusiasm for generative AI and familiarity with prompt engineering concepts. The role also requires technical ownership, the ability to turn process analysis into solutions, collaboration across technical and business teams, and proficiency in Dutch.

Benefits

• 25 Vacation Days
• Option to Purchase Additional Vacation Days
• Travel Expense Reimbursement
• Personal Choice Budget
• Access to Generative AI Tools
• Autonomy and Responsibility