> Markdown version of [/jobs/ext/2175902-ai-engineer](https://www.wearedevelopers.com/jobs/ext/2175902-ai-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Engineer - **Company:** Hertzian - **Location:** Truro, UK - **Experience:** Starter - **Salary:** £30,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Application Integration Architecture, JIRA, Data Cleansing, Data Transformation, Python (Programming Language), Machine Learning, Natural Language Processing, Pattern Recognition, Scrum Methodology, Tensorflow, Sentiment Analysis, Software Deployment, Data Ingestion, Pytorch, Large Language Models, Model Validation, Backend, Git, Scikit Learn, Document Classification, Data Pipelines - **Published:** August 22, 2026 - **Apply:** https://www.hertzian.co.uk/careers/ai-engineer ## About the Role You are an analytical, research-minded, and innovative professional with a passion for artificial intelligence and natural language processing. You thrive in technical environments and understand the nuances of deploying machine learning models into production. Deeply curious yet collaborative, you have the ability to design efficient AI workflows and naturally translate complex dataset patterns into robust, scalable intelligent features., * Strong academic background or demonstrable project experience focused on Machine Learning, Natural Language Processing (NLP), or Artificial Intelligence. * Proficiency with core AI/ML libraries and languages, including Python, PyTorch/TensorFlow, Scikit-Learn, and LLM integration frameworks. * Demonstrable experience with data preprocessing, model fine-tuning, evaluation metrics, and optimizing inference performance. ## Description Working closely with our machine learning and product teams, this role is perfect for a driven, analytical problem-solver ready to build, train, and scale the core AI models and pipelines that power Hertzian's innovative feedback-analysis products., Design, train, and fine-tune machine learning and deep learning models tailored for text classification, sentiment analysis, and pattern recognition. * Data Pipelines Build and optimize scalable data ingestion and preprocessing pipelines to clean, structure, and feed high-volume customer feedback data into models., Collaborate with product and backend teams to integrate trained models into production-ready APIs, monitoring performance and drift. * Research & Innovation Stay at the forefront of AI research, experimenting with emerging LLM capabilities and novel algorithms to continually enhance insight accuracy., * Work Model: 100% Office-based attendance required. * Software: Confident with Python, ML frameworks, Git, and JIRA. * Right to Work: Must have the right to work in the UK.* *Please note: While Hertzian is licensed to issue Sponsorship Visas, we are not electing to do so for this position. Day-to-Day Activities * * Training and fine-tuning machine learning models. * * Preprocessing and analyzing complex feedback datasets. * * Participating in daily stand-ups and AI sprint planning. * * Reviewing peer model logic and submitting pull requests. * * Collaborating with engineers on production deployments.