HiO is an AI Business Partner for small and medium business owners, building agentic AI to unify customer conversations and automate workflows.

About the role

  • Design, build, and maintain real-time AI-powered APIs and services in Python.
  • Architect, optimize, and deploy LLM workflows leveraging LangGraph or similar orchestration frameworks.
  • Develop agentic logic and reasoning pipelines for conversational and task-based automation.
  • Build scalable infrastructure to support multi-model, low-latency, and streaming AI experiences.
  • Collaborate with backend and product teams to translate complex customer workflows into reliable AI systems.
  • Ensure high performance, reliability, and data security across production workloads.
  • Deploy and manage applications on modern cloud environments (AWS / GCP).
  • Implement monitoring, logging, and fault-tolerance mechanisms for production-grade AI systems.

Requirements:

  • BSc or higher in Computer Science, Engineering, or a related technical field.
  • 7+ years of production development experience.
  • 5+ years of ML engineering experience, building AI/LLM-based systems in production.
  • Deep experience with Python (async, multiprocessing, decorators, type hints, debugging).
  • Proven hands-on work with LLMs (3+ years), including streaming inference, prompt management, or multi-agent systems.
  • Experience with LangGraph, LangChain, or similar orchestration frameworks.
  • Strong experience with MLOps, microservices, and distributed architectures.
  • Solid grasp of SQL/NoSQL databases, message queues, and scalable data design.
  • Experience deploying applications to AWS, GCP, or similar cloud platforms.
  • Ownership mindset and ability to work in a fast-paced startup environment.

Conditions:

  • REMOTE, full-time, long-term, B2B contract.
  • Salary up to 8500 USD gross.
  • Candidate location, legal entity and bank account must be outside Russia, Belarus and Turkey.
  • B2 English.