Full Stack Engineer, AI Internal Systems

Bjak

United StatesRemote onlyFull time

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Location: United States
Work style: Remote only
Job type: Full time
Posted: Oct 26; 6 days ago

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About the company

Bjak

Computer software · 501 to 1,000 employees

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 first application is an agent-first mobile communication app. We believe building applications that users use daily for communication, coordination and collaboration needs will help integrate AI into their lives. The net effect is to eliminate misinformation, achieve low coordination costs, enable high quality tasks and collaboration at scale with minimal or little prompting.

Bjak on LinkedIn

What you'll 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 need

Experience with backend, full-stack, or platform development
Strong programming fundamentals
Experience building and shipping production software, AI applications, or automation systems
Strong ownership mindset and ability to solve ambiguous problems
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
Experience with APIs, databases, cloud infrastructure, and AI integrations (preferred)

Key skills

platform developmentprogramming fundamentalsproduction softwareAI applicationsautomation systemsAPIsdatabasescloud infrastructureAI integrationsproblem-solvingownership mindsetcommunicate effectively

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Read the full posting here

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 first application is an agent-first mobile communication app. We believe building applications that users use daily for communication, coordination and collaboration needs will help integrate AI into their lives. The net effect is to eliminate misinformation, achieve low coordination costs, enable high quality tasks and collaboration at scale with minimal or little prompting. 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.