Full-Stack AI Engineer

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 fasterBuild and scale an AI agent and be able make it reliableDevelop and maintain both back-end and front-end systems for Improvado's SaaS platform using Node.js, Next.js, React and TypescriptTake full ownership of complex features end-to-endImprove system scalability, reliability, and performanceDesign and implement new features and functionalitiesWrite and maintain testsEnsure clean, maintainable, and well-documented codeCollaborate with UX designers and product owners to create intuitive user interfacesOptimize performance of services for fast and responsive experiencesTroubleshoot and debug technical issuesConduct code reviews and contribute to overall codebase improvementsFollow 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 ship5+ years of experience as a software developerStrong front-end development skills in TypeScript, React, HTML, CSS, and WebpackStrong backend skills (Backend is in Node, but experience with Python, Java is also applicable)Experience in large-scale systems developmentComfortable with ambiguity and ownership mentality — thrives in a fast-paced startupFamiliarity with functional components, hooks, Jest, and React Testing LibraryStrong understanding of algorithms, design patterns, OOP, SOLID, DDD, and TDD principlesExperience with Git and version control systemsKnowledge of distributed systemsKnowledge of databases: PostgreSQL, ClickhouseAbility to work on either EST or PST timezone What We Offer Remote-first environmentOptional relocation assistance to Latin America after your trial periodModern AI tech stack and freedom to experimentHigh-velocity team where you'll constantly learn and scale your skillsHigh autonomy and ownership — we care about outcomes, not hoursAI-first, collaborative, no-bureaucracy culture with a technically strong, international team20 working days of PTO per yearUS holidays and additional days offProfessional development reimbursement Powered by JazzHR 4okpLzMDUw