> Markdown version of [/jobs/ext/4628984-founding-full-stack-product-engineer](https://www.wearedevelopers.com/jobs/ext/4628984-founding-full-stack-product-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding Full-Stack Product Engineer - **Company:** STEELTREE, INC. - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Data Analysis, Big Data, Spreadsheets, Software Quality, Databases, Database Models, Online Analytical Processing, Operational Data Store, Parsing, Large Language Models, AI Coding Agents, Backend, Agentic-AI, Semi-structured Data, Build Tools, Operational Systems, Front End Software Development, Vertica, Api Design - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_419f5aaf6535276e62a6717207c6e506 ## About the Role * Strong full-stack product builder * Experience building and shipping real software * Experience working with AI, LLMs, AI agents, or AI-powered workflows * Comfortable using AI development tools to build faster and better * Strong frontend, backend, database, and API experience * Strong product sense and care for user experience * Experience with analytical data workflows, OLAP databases, or large-scale data processing is a plus * Ability to deploy and operate production software * Comfortable working in a fast-moving startup with limited structure * Willing to help outside of strict engineering work when needed * Strong communication skills * High ownership, low ego, and strong judgment You may be a strong fit if * You have built products from scratch. * You care about product usage, not just code quality. * You are excited about AI, but grounded in building real software for real users. * You understand that in a product-led company, product experience is part of growth. * You can move between engineering, product, data, AI, UX, and customer feedback. * You want to help build the engineering team, not just join one., * You only want to work on one narrow part of the stack. * You do not want to think about users, onboarding, growth, or product adoption. * You need a fully defined roadmap before starting. * You prefer large teams, long planning cycles, and highly structured environments. * You are not comfortable using AI tools as part of your development workflow. ## Description SteelTree is hiring a Founding Full-Stack Product Engineer to help build the core product, shape the technical foundation, and play a major role in how the company grows., You will build across the full stack, work on AI-powered product experiences, design practical workflows for users, and help turn messy operational data into useful insight and action. You will also help shape SteelTree's product-led growth motion. That means thinking about activation, onboarding, time-to-value, product usage, trial behavior, conversion paths, and the overall experience that helps users understand the product quickly. As the company grows, future engineers will report into this role. This person will help define the engineering culture, technical standards, product architecture, and pace of execution. What you'll work on * Build and ship full-stack product features * Work on AI agents, LLM workflows, and AI-powered user experiences * Use AI coding tools and agentic development workflows to move faster * Build systems for data upload, parsing, analysis, insight generation, and action tracking * Work with structured and semi-structured data from CSVs, spreadsheets, APIs, databases, and operational systems * Build analytics-style product experiences using modern data workflows * Work with OLAP-style databases or analytical engines such as ClickHouse, DuckDB, or similar systems * Build reliable backend services, APIs, database models, and frontend experiences * Help deploy, monitor, and scale production software * Improve onboarding, activation, and product-led growth flows * Work closely with users and the founding team to turn feedback into product improvements * Help with technical content, product demos, growth experiments, and customer-facing product work when needed * Help recruit, mentor, and lead future engineers