Full-Stack AI Engineer (AI Development team)

Improvado is an AI-powered marketing data platform built for mid-market and enterprise teams. We help companies automate complex marketing data workflows, unify data at scale, and surface insights through BI and AI. Brands like ASUS, Docker, Activision, and H&R Block rely on us to simplify analytics and improve marketing performance. We're a fast-growing Series A startup backed by $34M in funding and driven by a team that moves fast, stays curious, and cares about high-quality execution. Job Overview The Full-Stack Developer will join a small, AI-focused team at Improvado, working on core product features and AI agents within a complex, data-intensive marketing analytics SaaS platform. This role involves building and maintaining both backend and frontend components, improving system architecture for scalability and performance, and delivering reliable solutions that handle large volumes of data. The position offers strong ownership and high impact: you will influence technical and business decisions, collaborate closely with product owners, designers, and engineers, and take features end-to-end from idea to production. Improvado actively uses modern AI tools and technologies, providing opportunities to learn, experiment, and apply cutting-edge approaches while working in an Agile environment. Responsibilities Use AI tooling actively: Claude Code, prompt engineering, agentic coding to accelerate development, write tests, optimize complex problems, and ship faster Build and scale an AI agent and be able make it reliable Develop and maintain both back-end and front-end systems for Improvado's SaaS platform using Node.js, Next.js, React and Typescript Take full ownership of complex features end-to-end Improve system scalability, reliability, and performance Design and implement new features and functionalities Write and maintain tests Ensure clean, maintainable, and well-documented code Collaborate with UX designers and product owners to create intuitive user interfaces Optimize performance of services for fast and responsive experiences Troubleshoot and debug technical issues Conduct code reviews and contribute to overall codebase improvements Follow Agile development practices, including daily stand-ups and sprint planning Requirements Hands-on with modern AI tooling : Claude/Opus, Claude Code, prompt engineering, agentic coding environments—not just familiar, but actively using it to ship 5+ years of experience as a software developer Strong front-end development skills in TypeScript, React, HTML, CSS, and Webpack Strong backend skills (Backend is in Node, but experience with Python, Java is also applicable) Experience in large-scale systems development Comfortable with ambiguity and ownership mentality — thrives in a fast-paced startup Familiarity with functional components, hooks, Jest, and React Testing Library Strong understanding of algorithms, design patterns, OOP, SOLID, DDD, and TDD principles Experience with Git and version control systems Knowledge of distributed systems Knowledge of databases: PostgreSQL, Clickhouse Ability to work on either EST or PST timezone What We Offer Remote-first environment Optional relocation assistance to Latin America after your trial period Modern AI tech stack and freedom to experiment High-velocity team where you'll constantly learn and scale your skills High autonomy and ownership — we care about outcomes, not hours AI-first, collaborative, no-bureaucracy culture with a technically strong, international team 20 working days of PTO per year US holidays and additional days off Professional development reimbursement