Fullstack AI Engineer — Build Scalable WhatsApp Platforms

bitbybit Studio; Jakarta Pusat; On-site; IDR 334,800,000 - 669,600,000; Full time

Job summary

bitbybit Studio in Indonesia is seeking a full-time engineer to build and scale an AI-powered WhatsApp platform across the stack, including backend, frontend, and mobile with React Native. You will own features end-to-end, integrate AI workflows via APIs, and focus on scalability and reliability using PostgreSQL, Kubernetes, and cloud-native tools.

Join a high-ownership team that ships production-ready applications, collaborates with product and design, and embraces rapid iteration to push

Qualifications

• Track record of shipping production-ready applications.
• Willingness to work with React Native.
• Bias for action — build, test, and iterate quickly.
• Hunger to learn — AI, scalable systems, and product design.

Responsibilities

• Fullstack development across back end and front end.
• Mobile contributions with React Native.
• End-to-end ownership from design to deployment.
• AI integration via workflows/APIs for real messaging use cases.
• Scalability and reliability with PostgreSQL, Kubernetes, and cloud-native tools.
• Front-end engineering with React/Next.js and Typescript.
• Monitoring and performance improvements.
• Collaborate closely with product, design, and AI engineers.

Job description

bitbybit Studio in Indonesia is seeking a full-time engineer to build and scale an AI-powered WhatsApp platform across the stack, including backend, frontend, and mobile with React Native. You will own features end-to-end, integrate AI workflows via APIs, and focus on scalability and reliability using PostgreSQL, Kubernetes, and cloud-native tools.

Join a high-ownership team that ships production-ready applications, collaborates with product and design, and embraces rapid iteration to push