Fullstack Software Engineer for AI Startup

FULLSTACK ENGINEER @ bitbybit.studio

From Indonesia to the world: Join our pioneering team as we build at the frontier of AI, creating one of the first Agentic AI platforms for WhatsApp.

We're pioneering the next wave of AI-powered interactions at the intersection of AI agents, messaging platforms, mobile apps, and scalable cloud systems — enabling real-world impact at speed and scale.

VALUES Gets Sh*t Done — execution over excuses Continuous Improvement — we learn, adapt, and grow every day Stays Humble — we win as a team and keep the \"Ilmu Padi\" spirit

ROLE OVERVIEW Full-time, high-ownership role Build and scale our AI-powered WhatsApp platform across the stack (backend, frontend, and mobile with React Native)

KEY 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

NON-NEGOTIABLES Strong JavaScript/TypeScript skills across front end and back end Track record of shipping production-ready applications Familiarity or willingness to work with React Native Bias for action — build, test, and iterate quickly Hunger to learn — AI, scalable systems, and product design Humility — grow by listening and collaborating

BONUS SKILLS AI/ML frameworks (TensorFlow, PyTorch, LangChain, etc.) WhatsApp Business APIs or other messaging platforms Grafana/Prometheus or similar observability tools UX/UI best practices for web and mobile

AI-RELATED (NICE TO HAVE) Prompt engineering for LLMs Running AI evaluations Embeddings and vector search (e.g., LangChain or similar) Data preparation and analysis for AI applications

WHY JOIN US Impact from day one — your code ships fast and reaches real users Work on the cutting edge — deploy AI agents at scale Startup energy — small, focused team with high ownership and learning Global reach — build from Indonesia, for the world

Interview process

Email Questionnaire --> mini-projects --> interview(s)