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HotSchedules Corporate Logo HotSchedules Corporate · IT - Software Development

AI Solutions & Engineering Lead

Bulgaria, Sofia · Job Posted March 26, 2026
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Job Description

We are looking for a senior, hands‑on AI Solutions & Engineering Lead to design, build, and productionize AI solutions used across Fourth’s enterprise operations. This role owns the technical foundations for AI in production - ensuring solutions are scalable, reliable, well‑governed, and integrated with enterprise data and systems. The AI Solutions & Engineering Lead is reporting to Director of Enterprise Data & Intelligence. You will join the Enterprise Data & Intelligence team, which builds the shared data, analytics, and AI foundations that power decision‑making and operations across Fourth - not individual products. The AI Lead is at the forefront of reshaping how Fourth operates as a business - starting hands-on with production AI systems and growing into a standards‑setting technical leader defining the architecture, governance, and direction for AI used across the entire enterprise.

Job Responsibility

  • Own AI engineering and architectural decisions across enterprise solutions
  • Design and build production‑grade AI systems and pipelines
  • Take AI solutions from prototype to reliable production
  • Define engineering standards, quality bars, and production readiness
  • Shape feasibility, prioritization, and technical approach for AI initiatives in partnership with the Director, without owning overall AI strategy
  • Translate business problems into scalable, technically sound AI solutions
  • Work with Data, Security, Legal, Compliance and others on safe AI delivery

Requirements

  • 5+ years experience in machine learning, AI engineering or software development, with a demonstrated track record of deploying machine learning models and AI solutions in production environments
  • Strong Python skills for building production AI services
  • Hands‑on experience running LLM‑based systems in production
  • Experience with RAG architectures, embeddings, and vector search
  • Proven ability to design scalable, maintainable systems and APIs
  • Solid understanding of production operations (monitoring, logging, error handling)
  • Cloud deployment experience (Azure preferred)
  • Strong understanding of data pipelines, SQL, and data quality
  • Working knowledge of AI governance, access control, and responsible AI practices

What we offer

  • 25+ days off, as well as birthday day off and 4 charity days off per year
  • Flexible start and end of the working day and hybrid working mode, including a combination remote and in the office
  • Team-centric atmosphere
  • Encouraging healthy lifestyle and work-life balance including supplemental health insurance
  • New parents bonus scheme
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