Bjak
Full Stack Engineer, AI systems
About this role
A1 is seeking a Full Stack Engineer to build production-grade AI workflows that move beyond chat into persistent, multi-step task completion. You'll design and ship agent systems that handle real-world reliability, tool integration, and recovery mechanisms while collaborating across frontend, backend, and ML teams.
What you'll do
- Build end-to-end product features spanning frontend, backend, and AI integrations
- Design agent workflows with planning, tool use, failure handling, and multi-step recovery
- Integrate LLMs, memory systems, and external tools into reliable production environments
- Optimize real-time AI interactions for streaming, partial results, and low latency
- Improve system reliability through observability, monitoring, and robust fallback mechanisms
- Own features from conception through production deployment and iteration
What they're looking for
- Full stack development (frontend and backend)
- System design and API architecture
- LLM integration and AI-powered applications
- Experience with RAG systems or agent frameworks
- Next.js, Python, and Node.js
- SQL and NoSQL databases
- Docker and Kubernetes
- Pragmatic decision-making under ambiguity
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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
- Walk us through a full stack feature you've built end-to-end. How did you handle the frontend, backend, and any external integrations?
- Describe your experience working with LLMs or AI-powered applications. What challenges did you face with reliability or non-deterministic behavior?