Fullstack Engineer (AI)

TL;DR

Fullstack Engineer (AI): Building a proactive AI chat app focusing on high reliability for long-running workflows and real-world task completion with an accent on agent design, tool integration, and persistent context. Focus on designing robust agent workflows, reducing latency for real-time AI interactions, and improving system observability.

Location: Remote (United Kingdom)

Company

hirify.global is building a proactive AI chat app to bring intelligence to conversations, errands, and workflows.

What you will do

• Build end-to-end product features across frontend, backend, and AI integrations
• Design agent workflows that handle planning, tool use, failure, and recovery
• Integrate LLMs, memory, and external tools into reliable production systems
• Design real-time AI interactions with streaming and tight latency constraints
• Improve system reliability, observability, and fallback mechanisms
• Collaborate with ML, backend, and product teams to ship features end-to-end

Requirements

• Strong experience in full stack engineering (frontend and backend)
• Solid understanding of system design and API architecture
• Experience working with LLMs, RAG systems, or AI-powered applications
• Ability to handle ambiguity and make pragmatic engineering decisions
• Strong ownership of features from idea to production
• Comfort working in fast-moving environments with evolving requirements

Culture & Benefits

• High talent density and hands-on team environment
• Collective decision-making and rapid shipping speed
• Balance between shipping high quality work and continuous learning
• Collaborative culture focused on executing independently and bringing structure
• Ambitious goal of delivering a magical product to billions of users

Hiring process

• Evaluation by technical team members
• 3 to 4 interviews conducted via virtual meetings or onsite
• Prompt decision-making process