Zero to 1
Open positions
Senior Software Engineer
As a Senior Software Engineer, you will own meaningful parts of Lighthouse and the AI systems built on it, from design through production. Your primary focus will be backend and AI systems: services and APIs,…
Senior Software Engineer
Zeroto1 is looking for a Senior Software Engineer - Applied AI to build production-grade AI systems and backend platform capabilities. You'll work across backend services, enterprise data and context, AI agents,…
QA Engineer
As a QA Engineer, you will own quality across Lighthouse and the production AI systems built on it, from requirements through deployment and ongoing operations. You will test both deterministic software and…
QA Engineer
Responsibilities: Design the end-to-end quality strategy for Lighthouse and the AI systems built on it, covering APIs, web experiences, data and context pipelines, agent and workflow orchestration, enterprise…
Backend Engineer
Looking for a candidate who is currently using Java and Spring Boot as their primary production stack. We need someone who can set backend conventions for the team while owning payment and external API integrations…
AI Engineer
Responsibilities: Fine-tune and adapt pre-trained LLMs (e. g., GPT, Claude, Mistral, LLaMA) for domain-specific tasks using APIs and lightweight fine-tuning frameworks. Design and evaluate high-quality prompts for…
