AI Engineer

Harrington Starr; Greater London; On-site; GBP 70,000 - 120,000; Full time

Benefits offered by this job

Annual discretionary bonus

25 days annual leave

Private medical cover

Eye care

Comprehensive training and development

Family friendly policies

Breakfast and artisan coffee

Social and charitable activities

Job summary

Harrington Starr in London is seeking an AI engineer to join its growing AI team focused on critical issues and stakeholder engagement. You will develop and maintain AI applications, especially LLMs, and own research tasks from design to deployment.

Experience in LLMs, dataset design, model evaluation, and ML theory is essential. Azure, DevOps, and Git experience are advantageous. A business‑minded, fast‑paced environment awaits.

Qualifications

• Experience building LLM solutions.
• Dataset design and model evaluation.
• Understanding of statistics and ML theory.
• Undergraduate degree or equivalent.
• Strong written and verbal communication.
• Comfortable in fast-paced environment.

Responsibilities

• Develop and maintain AI applications with a focus on LLMs.
• Design, deploy, and maintain new AI solutions for multiple business use cases.
• Own research tasks and analyze datasets using ML techniques.
• Communicate technical information at all levels.

Skills

LLM development

Dataset design

Model evaluation

Statistics & ML theory

Strong communication

Education

Bachelor's degree in Mathematics or Computer Science

Tools

Azure

CI/CD

Git

Job description

Join a leading critical issues firm advising the world’s leading companies how to navigate critical issues and manage stakeholder engagement. This is a unique opportunity to join a growing AI team, with the company on a journey to leverage AI and data science to enhance operations.

This role involves developing and maintaining existing AI applications in conjunction with our existing team, suiting an individual with previous experience of developing and managing these applications (particularly LLMs). Also, responsibility will be taken over the designing, development, deployment, and maintenance of new AI applications with the mindset fixed towards providing multiple business use cases which drive operational and commercial outcomes. You will also take ownership of research tasks, analysing datasets using a variety of statistical and machine learning techniques, whilst having a genuine interest in the evolving AI landscape and market. Additionally, the successful candidate will enjoy working with autonomy and be a creative problem solver with a commitment to the deliverance of high-quality solutions.

You will bring:

• Experience building LLM solutions and a deep understanding of wider AI landscape
• Experience in dataset design, running model evaluations, and fine-tuning foundation models to improve performance on tasks
• Understanding of statistics and ML theory
• An undergraduate degree in a quantitative field (Mathematics, Computer Science), or equivalent relevant industry experience
• Strong written and verbal communication, with the ability to communicate technical information at all levels
• Comfortable in a fast-paced and dynamic environment

Advantageous to have:

• Developing cloud applications on Microsoft Azure
• DevOps (CI/CD, git)
• Annual discretionary bonus
• 25 days annual leave (excl. bank holidays, plus birthday off)
• Private medical cover, Menopause Policy, Eye care
• Comprehensive training and development curriculum
• Family friendly policies
• Daily breakfast and complimentary artisan coffee, tea, and snacks from our own barista
• Regular social, cultural, and charitable activities