About ActAI
There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.
Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. We believe products will greatly reduce hallucinations.
Our objective is to organise anyone's life, allowing us all to spend time on valuable and meaningful things
About the Role
The CTO will own technology strategy, architecture and engineering standards across the Group. This is a technical leadership role for someone who can operate across multiple businesses while remaining close to systems, architecture and engineering execution.
What you will be doing
Own architecture and major technical decisions across group products and platforms.
Review critical systems, architecture, infrastructure and code directly.
Set engineering standards across reliability, security, performance, testing and code quality.
Identify technical debt and architecture constraints and drive their resolution.
Improve engineering productivity, development speed and production reliability.
Decide where technology and infrastructure should be shared across Group businesses.
Recruit and assess senior engineers, technical leads and engineering leaders.
What you will need
Deep software engineering background with experience building and scaling production systems.
Strong knowledge of backend systems, APIs, databases, cloud infrastructure and distributed systems.
Experience making architecture decisions across multiple products or engineering teams.
Strong technical judgement and ability to challenge engineering decisions at implementation level.
Capable of building world-class engineering teams.
Still technically hands-on - able to review code, architecture, incidents and difficult engineering problems directly.
A1 is building a proactive AI smart assistant designed for everyday users to bring intelligence to conversations, errands, organizing, and workflows. The company's product focuses on achieving high reliability for long-running workflows with persistent context and real-world task completion capabilities. The system handles multi-step reasoning, interacts with external tools, and maintains reliability despite non-deterministic model behavior. A1 is developing production AI systems that serve features across mobile and desktop clients, with a focus on latency, correctness, reliability, and cost optimization.
