Senior Data/AI Engineer

Salary: £95,000 - 130,000 per year

Requirements:

• We are looking for someone with experience mentoring or coaching junior team members, and supporting team development and knowledge sharing.
• We need proven ability to lead technical workstreams and deliver results in complex environments.
• We are looking for experience engaging with senior stakeholders and contributing to strategic discussions, with the confidence to influence decision-making and drive outcomes.
• We need proven experience as a Data Developer, Data Engineer, AI Engineer, or in a similar role.
• We are looking for strong programming skills in Python, SQL, and/or similar languages.
• We need experience building data pipelines and working with structured and unstructured data.
• We would value familiarity with Generative AI and/or machine learning frameworks such as scikit-learn, TensorFlow, PyTorch, or Langchain.
• Experience with cloud data platforms, data warehouses, or big data technologies is an advantage.
• We need strong analytical and problem-solving skills, with attention to detail.
• We are looking for the ability to communicate technical concepts clearly to non-technical stakeholders.
• Experience working in Agile delivery environments is required.
• Appointment to this role is subject to the candidate being eligible for and successfully obtaining UK Security Check (SC) security clearance.

Responsibilities:

• We lead a technical workstream within larger projects, coordinating activities, setting priorities, and ensuring high-quality delivery.
• We support and mentor junior team members within our workstream, sharing expertise and promoting best practices.
• We design, build, and maintain scalable data pipelines, datasets, and data models to support analytics, reporting, and AI use cases.
• We develop and implement AI / machine learning models where appropriate, supporting use cases such as prediction, classification, automation, and insight generation.
• We develop generative AI enabled solutions using large language models and context/prompt engineering.
• We integrate data from multiple sources, ensuring data quality, consistency, and reliability.
• We work closely with Business Analysts, Data Analysts, and product teams to understand requirements and translate them into technical solutions.
• We implement testing, validation, and monitoring to ensure data accuracy, model performance, and solution reliability.
• We optimise data processing, storage, and model performance for scalability and efficiency.
• We produce clear technical documentation covering data models, pipelines, logic, and assumptions.
• We adhere to data governance, security, and privacy standards throughout the development lifecycle.

Technologies:

• AI
• Big Data
• Cloud
• Support
• Machine Learning
• PyTorch
• Python
• SQL
• Security
• TensorFlow

More:

We are Deloittes AI & Data Solutions operating unit within Technology and Transformation, focused on enabling clients to overcome complex systems challenges and deliver business-driven, technology-enabled change across their organisations. Our end-to-end solutions cover business process, people, technology and data, with a focus on customers, quality, governance and control, and we work across systems integration, digital solutions, package integration, custom development and infrastructure. This Senior Data / AI Engineer role is based in Belfast with hybrid working, and offers excellent development opportunities, the chance to work with cross-functional teams and cutting-edge tools, and the opportunity to build new skills and qualifications. We invest in outstanding people, value diverse talents and backgrounds, and encourage a culture where everyone belongs, feels supported and can make a measurable impact. We also support flexible working, wellbeing, and continuous growth through world-class development and meaningful client work.

last updated 35 week of 2026