Bespoke Labs is a research lab that builds reinforcement-learning environments and infrastructure for training, evaluating, and improving AI agents.
About Bespoke Labs Bespoke Labs AI builds large-scale AI environments and production systems that directly shape how next-generation models are trained. Our work has powered foundational datasets like OpenThoughts and models such as Bespoke-MiniCheck and Bespoke-MiniChart. About the Role As a Full Stack Developer, you will own end-to-end platforms powering core Bespoke Labs products. This is a high-agency role with direct impact on production systems used in AI training and execution. You will work across frontend, backend, and infrastructure, collaborating closely with engineers and AI researchers to ship fast, well-designed, and reliable systems. What You Will Do - Build and own full-stack platforms from APIs to user interfaces - Develop backend services using Python and scalable async architectures - Build modern frontends using TypeScript and NextJS - Design and operate data layers using PostgreSQL and ElasticSearch - Integrate and work with LLM APIs, agent frameworks, or agentic workflows - Deploy and operate systems on AWS/GCP - Make architecture and design decisions with speed and ownership What We Are Looking For - 4–8 years of experience building production full-stack systems - Strong experience with Python, TypeScript, NextJS - Hands-on experience with PostgreSQL and ElasticSearch - Experience working with LLM APIs and/or agent-based systems - Proven ability to own systems end to end in fast-moving startup environments - Strong engineering fundamentals and a good design sense - Track record of high-pace execution at strong product or startup teams - CS background from a top-tier institution or equivalent experience preferred Why Bespoke Labs - Extremely competitive Compensation - Hybrid, in-person role in Bangalore - High ownership, minimal process, real impact - Work alongside engineers and researchers building AI-native systems Build the Core Platforms behind Agentic AI If you enjoy ownership, speed, and building systems that matter, we’d love to hear from you!