Overview
Role: Machine Learning Developer. Hours: Full-time - 40 hours per week, Monday - Friday. Location: Bristol - Hybrid.
Mitie is seeking a Machine Learning Developer to join our Insight function within the Data & AI team. The role involves designing, building and deploying intelligent, data‑driven solutions that improve operational efficiency and support better organisational decision‑making. You will work on production‑grade machine learning and LLM‑enabled products, collaborating with a wide range of technical and non‑technical stakeholders to translate complex requirements into scalable, real‑world solutions.
Responsibilities
* Develop, deploy and maintain machine learning models using Python, in line with engineering, governance and security standards.
* Query, transform and optimise data using SQL and SparkSQL to support advanced analytics and modelling.
* Apply LLMs, embeddings and natural language processing techniques to enhance analytical capability and insight.
* Build and support cloud‑based data and ML workflows using Azure, Microsoft Fabric or equivalent platforms.
* Translate business problems into clear analytical and technical specifications, ensuring solutions align with user needs.
* Communicate complex technical concepts clearly to both technical and non‑technical audiences.
* Ensure high standards of code quality, documentation and maintainability across all solutions.
Required Qualifications
* A STEM degree or equivalent experience, with a strong mathematical, analytical or software‑focused background.
* Proven experience using Python, SQL and SparkSQL in data or ML‑focused roles.
* Strong understanding of machine learning concepts and experience using common ML libraries such as scikit‑learn, TensorFlow or PyTorch, alongside packages such as NumPy and Pandas.
* Knowledge of natural language processing techniques and API integration patterns for ML services.
* Experience delivering projects end‑to‑end, from initial concept through to production deployment.
* Ability to manage competing priorities, work independently and collaborate effectively with stakeholders.
Desirable Skills
* Experience with Microsoft Fabric, Azure Machine Learning or similar enterprise cloud platforms.
* Exposure to MLOps practices, lifecycle management and large‑scale or distributed compute environments.
* Familiarity with agentic AI concepts and frameworks such as LangChain, AutoGen or CrewAI, with an interest in developing deeper expertise.
Benefits and Additional Information
We offer a range of benefits, including a virtual GP for you and your household, financial wellbeing support through Salary Finance, access to a flexible lifestyle benefits platform (Choices) with optional holiday increases and other voluntary benefits, high street discounts via MiDeals, a cycle‑to‑work scheme, life cover, enhanced pension contributions, a save‑as‑you‑earn scheme, and a Mitie Matching Share Plan. We recognize employees with Mitie Stars and run regular prize opportunities. We provide diverse training and development opportunities and are committed to inclusive and accessible recruitment. If you require any reasonable adjustments during the recruitment process due to a disability or long‑term condition, please email Sophie Willson at sophie.willson@mitie.com.
Since 1987, Mitie has 80,000 employees and operates globally as a leading facilities management and professional services company.
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