Bjak
Backend Engineer, AI Internal Systems
About this role
A1 is seeking a Backend Engineer to build AI-powered internal systems that automate and optimize operations across People, Finance, Recruiting, and business workflows. You'll own end-to-end development of intelligent tools that improve efficiency and decision-making, working in a small senior team within a fast-paced startup.
What you'll do
- Design and implement AI-powered internal tools and automation systems from concept to production
- Identify opportunities to apply AI across operational areas like People, Finance, Recruiting, and business processes
- Build intelligent workflows, automations, and integrations that solve real business problems
- Collaborate with cross-functional teams to understand requirements and translate them into technical solutions
- Own end-to-end execution including architecture design, implementation, deployment, and iteration
- Participate in code and design reviews while maintaining production system reliability
What they're looking for
- Backend or full-stack development
- Strong programming fundamentals and problem-solving
- API design and integration
- Database design and optimization
- Cloud infrastructure and deployment
- AI/ML integration and LLM workflows
- Software architecture and system design
- Communication across technical and non-technical stakeholders
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Bjak
Bjak is a Southeast Asian fintech super app offering insurance, payments, savings, wallets, and investment products through a unified platform. The company is hiring full stack engineers, backend engineers, iOS developers, and Android engineers to build scalable features and reliable systems across mobile and web products.
- Website
- bjak.com
Likely interview questions
- Describe a complex backend system you built end-to-end—what were the key architectural decisions and trade-offs?
- Tell us about your experience integrating AI or LLM APIs into production systems. What challenges did you face?