Lead Software Engineer (AI Email Apps)

Location: Hybrid in London, United Kingdom

Company

hirify.global is building AI-native applications that help users manage conversations, errands, organising, and workflows with minimal prompting.

What you will do

• Own application engineering strategy and execution across backend, mobile, and desktop platforms.
• Design reliable AI-powered workflows covering state management, orchestration, tool use, retries, fallbacks, and failure handling.
• Build APIs and abstractions connecting AI systems with real-world product experiences.
• Lead a small team of senior engineers through architecture, design reviews, code reviews, and hands-on mentorship.
• Balance latency, reliability, cost, security, and user experience in high-impact technical decisions.
• Establish observability, monitoring, testing, and operational foundations for stable production systems.

Requirements

• Significant experience leading application or product engineering for complex systems.
• Strong hands-on experience building and shipping production backend systems.
• Experience building AI-powered products or integrating modern ML/LLM capabilities.
• Technical judgment and the ability to make decisions with incomplete information.
• Experience working across backend and client platforms, with deep expertise in at least one.
• High standards for ownership, code quality, reliability, and engineering fundamentals.

Culture & Benefits

• Small, high-talent-density, hands-on team with broad engineering ownership.
• Fast decision-making, close collaboration, and independent execution.
• Practical engineering focus with an emphasis on building exceptional products over process.
• Virtual meetings and/or onsite interviews, with a decision expected promptly.

Hiring process

• Three, and no more than four, interviews are expected if there is an apparent fit.
• Applications are evaluated by technical team members.
• Interviews take place via virtual meetings and/or onsite.