ML Developer

Better places, thriving communities.

Join Mitie – the future of high‑performing places.

ROLE: Machine Learning Developer

HOURS: Full-time - 40 hours per week, Monday - Friday

LOCATION: Bristol - Hybrid

At Mitie, our people are our greatest strength, and our promise is to create a place to work where you can thrive and be your best every day. We're looking for a Machine Learning Developer to join our Insight function within the Data & AI team, helping to design, build and deploy intelligent, data‑driven solutions that improve operational efficiency and support better organisational decision-making.

You'll work on production‑grade machine learning and LLM‑enabled products, collaborating with a wide range of technical and non‑technical stakeholders to turn complex requirements into scalable, real‑world solutions.

Role 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.
  
  

There's a place for you at Mitie — join us today and help shape the future of intelligent, data‑led solutions.

Our market-leading offering provides you with benefits that suit your lifestyle.

We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without having to leave your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.

When you join us, we’ll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!

We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme. Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).

We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there’s a chance to scoop a top prize of £10,000!

Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.

We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long-term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing Sophie Willson at [email protected].

Since 1987, Mitie’s 80,000 employees have been maintaining companies globally. We are the UK’s leading facilities management and professional services company, and our clients range from household names in banking, critical government sites as well as hospitals and schools.

Join our Mitie Team.

Together our diversity makes us stronger.

• Apply Now
  
  

Looking to move roles but not leaving the Mitie family?

Why not share your experience with others about life at Mitie?