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hirly last saw it live on 3 September 2026. See similar open roles below, or browse the live board.

Bjak

Chief Technology Officer

United Kingdom

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hirly's read of this role

Role family
Engineering management
Seniority
Executive
Country
GB
Work mode
Remote-friendly
First seen by hirly
3 Sept 2026

Derived automatically from the posting.

the posting

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.

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Original posting on Bjak's site ↗