Staff AI Engineer

Location: Hybrid, with at least 2 days per week in an office in London, Athens or Cyprus. The role is associated with London, England, United Kingdom; Athens, Greece; and Nicosia, Cyprus.

Company

hirify.global is a financial technology company building an AI-driven money platform that helps people save, invest and access personalised financial guidance.

What you will do

• Architect the AI platform foundations, including model orchestration, RAG, agentic workflows, prompt and context management.
• Lead end-to-end development of LLM-powered Wealth Advisor experiences, from system design and tool integration through production deployment, monitoring and iteration.
• Build evaluation systems with golden datasets, LLM-as-judge grading, regression gates and offline-to-online metric correlation.
• Design safety, guardrail and observability layers covering tracing, cost and latency monitoring, content controls and action controls.
• Shape the AI strategy and roadmap, evaluate emerging models and techniques, and establish architectural and operational standards across teams.
• Mentor engineers and collaborate with Staff Engineers, Product Managers, Data Scientists and Compliance on regulated financial AI products.

Requirements

• Proven technical leadership and experience designing, shipping and operating LLM-powered systems in production at scale.
• Hands-on experience with agentic systems, tool use, orchestration, multi-step planning, RAG, retrieval pipelines, prompt engineering and relevant fine-tuning.
• Strong evaluation methodology, including regression detection, quality measurement and data-backed release decisions.
• Strong software engineering fundamentals with Python, distributed systems, APIs and cloud infrastructure.
• Pragmatic approach to balancing model capability, cost, latency, reliability, scalability and speed of learning.
• Ability to translate business goals into technical strategies, communicate complex challenges to technical and non-technical executives, and challenge product decisions with data.
• Experience facilitating technical decisions and resolving conflicts in cross-functional, collaborative environments.
• Self-management, strong organisation and focus on high-leverage work.

Nice to have

• Awareness of safety, fairness and regulatory considerations when applying AI to people’s money.

Culture & Benefits

• Flexible remote-work approach alongside regular office attendance in London, Athens or Cyprus.
• 45 work-from-anywhere days.
• Stock options, private health insurance, annual training budget and hirify.global product subscriptions.
• 25 days of holiday plus bank holidays, enhanced parental leave, wedding allowance and one paid volunteering day annually.
• Sabbaticals after 4 and 8 years, team breakfasts and lunches, and an annual team trip.
• Inclusive culture with emphasis on ownership, collaboration, continuous improvement and technical growth.