Backend Engineer, AI Systems

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 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 productionIdentify opportunities where AI can improve internal workflows and operationsDesign and implement intelligent workflows, automations, and integrationsTranslate business needs into practical product and technical solutionsWork closely with teams across A1 to understand problems and deliver impactful solutionsOwn end-to-end execution, from idea generation to deployment and iteration What You Will Need Experience with backend, full-stack, or platform developmentStrong programming fundamentalsExperience with APIs, databases, cloud infrastructure, and AI integrations is a plusStrong ownership mindset and ability to solve ambiguous problemsExperience building and shipping production software, AI applications, or automation systemsStrong technical foundation and problem-solving abilityComfortable working independently in a fast-paced startup environmentAbility 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.