H

Senior AI Engineer & Future CTO

Haystack • United Kingdom
Remote
Apply
AI Summary

Lead AI engineering, scale Firebase systems, drive technical vision, and grow the team. Path to CTO role in a rapidly scaling startup.

Key Highlights
Firebase expertise (Firestore, Cloud Run, Auth, Security Rules)
AI application development using leading LLMs and agentic workflows
End-to-end architecture, security, performance, and integration
Key Responsibilities
Develop and implement end-to-end architecture, security, performance, and integrations for AI applications
Build production systems leveraging deep Firebase expertise
Work closely with the Head of Product to transform specifications and prototypes into production-grade code
Lead the growth of the engineering function, including hiring, structuring, and mentoring a team
Drive the technical vision and strategy, with a clear trajectory to assume the CTO position as the company expands
Technical Skills Required
Firebase AI application development End-to-end architecture
Benefits & Perks
Fully remote work flexibility
Significant stock options
Professional development opportunities
Nice to Have
Familiarity with vector databases such as pgvector, ChromaDB, or Pinecone

Job Description


We are working with a lean, rapidly scaling startup that is at the forefront of innovation, building a cutting-edge workflow and intelligence platform. This platform is powered by advanced agentic AI, sophisticated multimodal analysis, and deep domain-specific insights, poised to disrupt its industry.

The Role

  • Develop and implement end-to-end architecture, security, performance, and integrations for AI applications.
  • Build production systems leveraging deep Firebase expertise (Firestore, Cloud Run, Auth, Security Rules).
  • Work closely with the Head of Product to transform specifications and prototypes into production-grade code.
  • Lead the growth of the engineering function, including hiring, structuring, and mentoring a team.
  • Drive the technical vision and strategy, with a clear trajectory to assume the CTO position as the company expands.

What You'll Need

  • Proven expertise in Firebase, having built and scaled production systems, not just prototypes.
  • Demonstrable experience building and deploying complex AI applications using leading LLMs and agentic workflows.
  • Strong understanding of end-to-end architecture, security, performance, and integration within a cloud environment.
  • Ability to translate well-defined specs and prototypes into high-quality, maintainable code.
  • Familiarity with vector databases such as pgvector, ChromaDB, or Pinecone is a plus.

What's On Offer

  • Opportunity to join an early-stage startup with a clear path to CTO role.
  • Fully remote work flexibility with frequent team meetups for collaboration.
  • Significant stock options in a rapidly scaling company.
  • Excellent progression and professional development opportunities.

Apply via Haystack today!


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