Bjak

Backend Engineer, AI Internal Systems

Remote, China remote Entry Salary not listed
remote Technology & IT Curated
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About the role

About A1
There are over 5 billion users using basic applications today such email, notes, tasks, and a list of applications that are not AI-native to organise their lives. Our mission is to build a proactive smart assistant for everyday users 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. The system must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior. Our objective is to help users complete tasks daily enjoyable with over ~90%* reduced time.
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.
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT Finance Operations Backend Engineer Internal remote

Likely questions

  1. Tell us about work you have done that is close to the Backend Engineer, AI Internal Systems role.
  2. How would you approach your first 30 days at Bjak?
  3. Which of Finance, Operations and Backend have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with Finance, Operations and Backend.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Backend Engineer, AI Internal Systems role because I can bring practical experience in Finance, Operations and Backend, learn the team quickly, and contribute to the outcomes Bjak needs from this hire.

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