AI Phone - Senior Agent Runtime Engineer
Bjak
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- Location
- United Kingdom
- Area
- Outside Africa — visa sponsorship — Outside Africa, visa sponsorship offered
- Contract
- Full Time
- Field
- ActAI - Realware
- Published on
- 4 November 2026
- Closing date
- Not provided
Information not provided by the source
duration, work arrangement, salary, reference
Source: Arbeitnow · verified on 5 November 2026 at 21:01 (Paris time) · location given by the source: United Kingdom
In brief
Parrainage de visa proposé (visa sponsorship available) selon Arbeitnow.
Description
About
We are reimagining the phone. AI phones need to be proactive, intuitive, intelligent and low cost. This is a mission critical for rest of the world to adopt intelligence.
There are over 5 billion people using everyday applications such as email, messaging, notes, tasks, and calendars, yet most are not AI-native. Our mission is to build proactive applications and devices that bring intelligence into daily conversations, coordination and workflows, with minimal prompting.
Focus: Building the actual execution infrastructure for AI agents.
Responsibilities
Implement agent runtime and orchestration components.
Build tool-calling and execution interfaces.
Support multi-step and long-running task execution.
Manage task state, execution history and asynchronous workflows.
Implement error handling, retries and recovery mechanisms.
Integrate multiple model providers.
Build observability and tracing for agent execution.
Optimize latency, reliability and inference costs.
Work with context and memory components to provide relevant information to agents.
Requirements
Strong backend engineering experience.
Experience with distributed systems and asynchronous workflows.
Experience integrating LLMs into production applications.
Strong API and service architecture knowledge.
Experience with queues, state management and observability.
Good understanding of tool calling and structured outputs.
Nice to have
Production agent framework or custom agent runtime experience.
Experience with Temporal or similar workflow orchestration systems.
Experience with model routing and inference optimization.
Experience with AI evaluation and tracing.
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Parrainage de visa proposé (visa sponsorship available) selon Arbeitnow.