Senior AI Engineer

Posted Yesterday
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Hiring Remotely in Zagreb, HRV
Remote or Hybrid
Senior level
Artificial Intelligence • Cloud • Software • Automation
The Role
Design and build scalable AI systems and agentic workflows for a multi-tenant SaaS product: integrate and optimize LLMs, implement RAG and retrieval/vector systems, develop FastAPI-based APIs, deploy on Azure, integrate Google ADK, mentor engineers, and prototype generative AI features.
Summary Generated by Built In


About Burai  

 

Burai is an AI-driven productivity platform built around intelligent project management. At its core, Burai transforms how teams operate by seamlessly integrating AI Agents into existing workflows to automate repetitive processes. Through its unique “Digital Twin” technology, Burai learns how work actually happens, identifying patterns and surfacing opportunities for agentic automation.  

Working alongside employees, either in Office365 or Google Workspace, Burai actively monitors emails, joins meetings, and generates actionable summaries and tasks. This ensures that work moves forward efficiently, eliminating the overhead of manual coordination and follow-ups. The result is a smarter, faster, and more intuitive way to manage projects and drive productivity. 

 

What You’ll Do 

  • Design and architect scalable AI systems, from data pipelines to inference endpoints, ensuring robust system design for multi-tenant SaaS environments. 
  • Architect and build advanced AI agents for dynamic workflows and decision-making, leveraging RAG and agentic frameworks 
  • Integrate and optimize LLMs for contextual understanding and reasoning, implementing sophisticated prompting strategies and evaluation frameworks. 
  • Build and optimize machine learning pipelines, including feature engineering, model training, and continuous improvement of AI capabilities.  
  • Design robust retrieval systems using vector embeddings.  
  • Develop scalable APIs using FastAPI for high-performance integrations.  
  • Deploy and manage AI services on
    Azure, ensuring reliability, security, and scalability.  
  • Integrate Google ADK for enhanced AI capabilities in speech, vision, and data insights.  
  • Build scalable, high-performing agent orchestrations in a SaaS multi-tenant environment 
  • Prototype and experiment with cutting-edge generative AI technologies.  
  • Mentor engineers and establish best practices for AI/ML development and deployment.  

 

Requirements 

  • Education:
    Bachelor’s or higher in Computer Science, Engineering, or related field. 
     
  • Experience: 
  • 5+ years in backend and AI engineering.  
  • 3+ years working with LLMs at scale.  
  • Technical Skills: 
  • Strong system design and architecture skills, with ability to design scalable, maintainable solutions for complex technical challenges. 
  • Expert-level Python programming with deep understanding of software engineering principles and design patterns. 
  • Proven experience building production LLM applications, including RAG systems, agentic workflows, and prompt engineering at scale. 
  • Expertise in FastAPI and RESTful API design and implementation 
  • Strong proficiency in SQL for transactional and analytical workloads. 
  • Experience with feature engineering and data preprocessing for machine learning models 
  • Familiarity with Node.js or Go is a plus.  
  • AI/ML frameworks: LangChain, Hugging Face, PyTorch/TensorFlow.  
  • Vector databases: Pinecone, Qdrant, Weaviate, Milvus, or similar.  
  • Hands-on experience with containerization (Docker, Kubernetes) and deployment automation. 
  • Cloud platform expertise: Azure required; experience with AWS or GCP highly valued. 
  • Experience with CI/CD pipelines and containerization. 
  • Integration with Google ADK 
  • Preferred experience with Model Context Protocol (MCP) 
  • Proficiency in relational and NoSQL databases (PostgreSQL, MongoDB, Neo4j).  
  • Soft Skills: Excellent communication, leadership, and problem-solving abilities.  

 

Nice to Have 

  • Strong foundation in ML algorithms and theory, including supervised/unsupervised learning, neural networks, and optimization techniques. 
  • Advanced generative AI experimentation.  
  • Open-source contributions or AI-related publications.  

 

What We Offer 

  • Competitive salary and equity options.  
  • Autonomy to innovate and shape AI strategy.  
  • Career growth through mentorship and learning budgets.  
  • Local perks: paid lunches, MultiSport
    card, and top-tier equipment Apple or Microsoft
     

 

Skills Required

  • Bachelor's or higher in Computer Science, Engineering, or related field
  • 5+ years in backend and AI engineering
  • 3+ years working with LLMs at scale
  • Strong system design and architecture skills for scalable solutions
  • Expert-level Python programming and software engineering principles
  • Production experience building LLM applications including RAG, agentic workflows, and prompt engineering
  • Expertise in FastAPI and RESTful API design and implementation
  • Strong proficiency in SQL for transactional and analytical workloads
  • Experience with feature engineering and data preprocessing for ML models
  • Experience with LangChain, Hugging Face, and PyTorch or TensorFlow
  • Experience with vector databases (Pinecone, Qdrant, Weaviate, Milvus, or similar)
  • Hands-on experience with Docker, Kubernetes, and deployment automation
  • Azure cloud platform expertise
  • Experience with CI/CD pipelines
  • Integration experience with Google ADK
  • Proficiency in relational and NoSQL databases (PostgreSQL, MongoDB, Neo4j)
  • Excellent communication, leadership, and problem-solving abilities
  • Familiarity with Node.js or Go
  • Experience with AWS or GCP
  • Preferred experience with Model Context Protocol (MCP)
  • Open-source contributions or AI-related publications
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The Company
47 Employees

What We Do

Burai is an intelligent platform that analyzes workflows, automates repetitive tasks, and boosts team productivity. It provides a cloud-based SaaS platform for enterprises and small to medium businesses operating in structured technical environments, serving as a future-proof autonomous AI that connects people, platforms, and processes across an organization.

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