Full Stack Engineer, AI Internal Systems
Confirmed on the employer's own hiring board on Oct 7, 2026. First seen by Alion on Sep 28, 2026. Bjak scores A on the Alion truth index.
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
We are building AI-powered internal systems to transform how A1 operates.
You will be responsible for identifying opportunities across areas such as People, Finance, Operations, Recruiting, and business workflows, and building AI solutions that improve efficiency, automate repetitive processes, and enable better decision-making.
What You Will Do
Build AI-powered internal tools and systems from concept to production
Identify opportunities where AI can improve internal workflows and operations
Design and implement intelligent workflows, automations, and integrations
Translate business needs into practical product and technical solutions
Work closely with teams across A1 to understand problems and deliver impactful solutions
Own end-to-end execution, from idea generation to deployment and iteration
What You Will Need
Experience with backend, full-stack, or platform development
Strong programming fundamentals
Experience with APIs, databases, cloud infrastructure, and AI integrations is a plus
Strong ownership mindset and ability to solve ambiguous problems
Experience building and shipping production software, AI applications, or automation systems
Strong technical foundation and problem-solving ability
Comfortable working independently in a fast-paced startup environment
Ability to communicate effectively with both technical and non-technical teams
How We Work
We operate as a small, senior, hands-on team. Engineers own features end-to-end - from design discussion through production monitoring.
Code reviews and design reviews are expected for all meaningful changes. We discuss architecture openly, make decisions quickly, and ship frequently.
Interview process
If there appears to be a fit, we'll reach out to schedule 3, but no more than 4 interviews.
Applications are evaluated by our technical team members. Interviews will be conducted via virtual meetings and/or onsite.
We value transparency and efficiency, so expect a prompt decision. If you've demonstrated the exceptional skills and mindset we're looking for, the process to offer may be shorter.