Prompt Engineer (AI)

TL;DR

Prompt Engineer (AI): Designing and optimizing AI-powered prompt templates to improve workflow efficiency for frontline social and healthcare practitioners with an accent on usability, accuracy, and compliance. Focus on building and iterating high-quality LLM workflows, prototyping new product features, and ensuring deeply embedded impact across diverse social service environments.

Location: Must be based in the UK; Hybrid role (2-3 days per week in London office).

Compensation: £35,000–£50,000 + Equity.

Company

A mission-driven social impact startup leveraging AI to solve global social problems by freeing frontline workers from administrative burdens.

What you will do

• Partner with frontline practitioners to understand their workflows and refine AI solutions.
• Design, build, and test high-quality AI prompt templates using various LLM providers.
• Continuously iterate on templates based on user feedback and performance metrics.
• Improve internal tooling and automation to scale template delivery.
• Collaborate with product and engineering teams to contribute to the product roadmap.
• Ensure all AI outputs are accurate, compliant, and handle sensitive data ethically.

Requirements

• Must be based in or able to commute to London for hybrid office days.
• Strong interest in AI, LLMs, and prompt engineering with an experimental mindset.
• Ability to translate real-world user needs into practical, high-quality technical solutions.
• Excellent attention to detail, particularly with nuanced or sensitive data.
• Collaborative mindset for cross-functional teamwork.
• Passion for social impact and improving outcomes for underserved communities.

Nice to have

• Experience in care, healthcare, or social services environments.
• Understanding of reporting requirements in frontline support settings.

Culture & Benefits

• Competitive salary with equity options.
• Hybrid working approach with a vibrant Shoreditch office.
• Access to mental health support (Oliva), coaching, and well-being budgets (Wellhirify.global).
• 25 days holiday plus 3 days for Christmas, plus bank holidays.
• Work remotely up to 6 weeks per year.
• Enhanced parental leave policies.