Principal Fullstack Engineer

PRINCIPAL FULLSTACK ENGINEER COMPANY : STEVEN.COM REPORTING TO : VP of ENGINEERING LOCATION: LOS ANGELES SALARY : UP TO $185k ABOUT STEVEN.COM Steven.com is building the operating system for the creator economy, forecast to pass a trillion dollars by the early 2030's. This industry is currently held back by fragmented tools and a lack of professional infrastructure. Steven.com is the unlock. We are the end-to-end Operating System designed to scale what is irreplaceably human. We have built proprietary technology and obsessed teams to identify and scale the highest-potential creators across our core pillars: Creator Media: Amplifying reach, influence, and trust Creator Community: Transforming audiences into connected tribes Creator Products: Providing creators with the infrastructure to build and back aligned products and ventures Powered by Creator Tech & Intelligence: A proprietary data and technology suite that fuels smarter decisions and drives innovation across the entire flywheel. Powering all of it is Steven.com 's Innovation and Technology Organisation (ITO). We are building proprietary AI infrastructure, developing consumer and enterprise digital products, and creating the data and intelligence layer that drives smarter decisions across the business. Each pillar feeds the next. The result is a flywheel that compounds over time and bets on human creation at its core. ROLE MISSION The most senior individual contributor engineering seat at Steven.com . You set the technical bar for the whole engineering team, own architecture for the ITO's hardest and highest-stakes systems, and make the calls that don't have a committee to hide behind. Reporting to the CITO and partnering closely with the VP of Engineering & Applied AI, you own technical depth while they own execution and people. Founding team role. What you build in year one shapes the product for years. KEY OUTCOMES Own the architecture of Steven.com 's most complex systems, from design through production and long-term evolution Set the engineering standards, patterns, and abstractions the rest of the team builds on Architect the AI-native core of the product: LLM-powered workflows, intelligent pipelines, and agentic systems that don't exist yet Make the final call on high-stakes design decisions and catch systemic risk before it becomes debt or downtime Mentor senior and junior engineers, raise the bar through code review and architectural conversation Turn ambiguous product bets into concrete technical plans with clear tradeoffs, working directly with CITO, VP Eng, and Product CORE COMPETENCIES Track record of designing and shipping complex, large-scale distributed systems in production, not just contributing to someone else's Deep full-stack proficiency: TypeScript, React, Node.js, Python, and Google Cloud/AWS Real experience architecting AI/ML systems, LLM applications, or intelligent pipelines at production scale …