Senior) AI/ML Engineer

📋 Job Overview

🏢 About Sunday Natural

🎯 The Role

We are looking for an experienced AI/ML Engineer to join our Central Data Platform team and take ownership of the machine learning and GenAI infrastructure that powers advanced analytics and AI use cases across the organisation.

This is a pivotal position with high impact on how AI and machine learning capabilities are delivered, scaled, and governed at Sunday Natural. You will act as the bridge between Data Engineers, Senior Data Analysts, Data Scientists, and business stakeholders, ensuring AI/ML work has measurable, repeatable, and strategic business impact.

✅ Key Responsibilities

• Design, build, and maintain modular, reusable ML pipelines in Vertex AI Pipelines covering training, evaluation, deployment, monitoring, and retraining.
• Develop GenAI capabilities including embeddings, retrieval pipelines, vector databases, and RAG frameworks for chatbots, personalisation, and semantic search.
• Build and manage feature stores and reusable datasets in collaboration with Data Engineers and Analysts.
• Productionise workflows with Prefect orchestration and CI/CD pipelines in Bitbucket.
• Implement continuous evaluation, drift detection, performance monitoring, rollback strategies, and retraining triggers for deployed models.
• Embed GDPR compliance, RBAC, anonymisation, explainability, fairness, and auditability into every model and pipeline.
• Document lineage of features, models, and inference workflows, and partner with the Data Governance Lead on ethical AI frameworks.
• Translate technical capabilities into business friendly outcomes, communicating trade offs across accuracy, latency, and cost to non technical stakeholders.
• Mentor Data Engineers in ML Ops and GenAI techniques, and contribute to internal AI/ML guilds and best practices.

📌 Required Qualifications

• at least 5 years of experience in Data Engineering or ML Ops, with at least 3 years focused on productionising ML pipelines.
• A degree in Computer Science, Data Science, Engineering, or a related field. PhD a plus.
• Expert proficiency in Python and ML/DL libraries such as scikit-learn, TensorFlow, PyTorch, Hugging Face, and LangChain.
• Strong with BigQuery, db, and SQL for feature and data preparation.
• Hands-on experience with Vertex AI for pipeline orchestration, deployment, and monitoring (or AWS/GCP equivalents).
• Experience with Prefect orchestration and CI/CD pipelines in Bitbucket.
• Familiarity with ML Ops frameworks such as MLflow or TFX, and containerisation with Docker and Kubernetes.
• Experience with vector databases such as Pinecone, FAISS, or Milvus.
• Proven delivery of ML or GenAI use cases in production with measurable business impact.
• Strong stakeholder communication and the ability to translate AI/ML into measurable business outcomes.
• Systems thinker with strong ethical grounding in responsible AI; balances innovation with operational reliability and cost control.

⭐ Desirable Experience

🎁 Benefits

• An appealing discount on all of our products – from essential oils to vitamins & nutrients
• We offer 28 days of paid time off per year plus up to 5 days off between Christmas and New Year
• The Urban Sports Club membership and either Swapfiets bike rental or a subsidy for the Deutschlandticket
• We believe great things happen when we meet in person, which is why we embrace a hybrid model with one home office day per week – up to two depending on the area you are working in – and up to two weeks per year working from abroad
• Receive various discounts of up to more than 50 percent on attractive brands such as Flaconi, Bosch, Apple or Expedia
• You will be given real ownership and plenty of room for new initiatives, as well as the opportunity to contribute your expertise and implement your great ideas
• Inviting office spaces with access to plenty of organic teas and superfoods from around the world
• We like to celebrate each other! Regular tea & office parties, Christmas and summer feasts and various influencer events such as Women's Day

🛂 Visa & Eligibility