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AI Prototyping Expert (UI/UX)

CLT (Efetivo)Presencial (Local)São Paulo-SPEmpresa Confidencial (Cadastre-se)

* Salário: R$ 2.000 a R$ 5.000 por mês (estimado)

* O valor exibido é uma estimativa calculada com base em dados públicos e referências do mercado. Não garantimos que este seja o salário oferecido para esta vaga específica.

Área: Outros

Nível: Junior

ABOUT US

Confidencial (Apenas para Cadastrados) is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Confidencial (Apenas para Cadastrados) to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Confidencial (Apenas para Cadastrados) is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Confidencial (Apenas para Cadastrados) operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.

For more information, visit Confidencial (Apenas para Cadastrados).com.

You will be joining the Monetization Products team, which builds the tools and experiences that help game developers and publishers grow their revenue — from in-game shops and checkout flows to partner-facing self-service products. The team works at the intersection of product, engineering, and design, and moves fast to experiment, ship, and iterate.You will report directly to the Head of Monetization Products and work closely with product managers and engineers across the monetization squad.

About You

You are a prototyping and AI expert who thinks in flows, experiments, and code — and who brings strong UI/UX skills to everything you build. You move fast: your first instinct when exploring a new idea is to open Claude Code or Cursor, not Figma. You build interactive, working prototypes using AI-assisted coding tools, and you use design craft to make them feel polished and production-ready.
You actively build AI-driven workflows (prompt pipeline result) and know how to ship things — working with engineers to take prototypes all the way to production. You’re comfortable with ambiguity and complex inputs, and you validate your work through real experiments and user feedback.
You have solid UI/UX foundations — you design clear flows, understand visual hierarchy, and can produce high-fidelity interfaces in Figma when needed. But your superpower is the ability to collapse the gap between idea and working product using AI and code.
You don’t manage a team directly, but you own the quality of what you build and naturally align business, design, and engineering around your solutions.

Responsibilities

AI-Assisted Prototyping & Vibe Coding

  • Build interactive prototypes and design explorations using AI coding tools (Claude Code, Cursor, v0, Framer, or similar) — reaching for code as your primary creative tool.

  • Design and prototype AI-assisted product solutions (agents, copilots, generation and automation tools) together with product and engineering.

  • Build and iterate prompt flow result pipelines; contribute reusable prompt patterns and workflow libraries.

  • Use no-/low-code tooling (Webflow, Retool, Zapier) where possible to reduce dependency on core engineering.

  • Move prototypes to production in close collaboration with engineers, ensuring smooth handoff and feasibility.

UI/UX Design

  • Turn ideas into clear UX flows, wireframes, and high-fidelity mock-ups in Figma when needed.

  • Bring strong visual and interaction design craft to everything you build — hierarchy, clarity, motion, and micro-interactions.

  • Create partner-facing materials: product presentations, landing pages, one-pagers, and infographics for go-to-market and integrations.

Discovery, Research & Experimentation

  • Contribute to discovery: interviews, JTBD, surveys, CJMs, and help translate insights into product decisions.

  • Validate solutions and hypotheses through quick tests and experiments.

  • Collaborate with analytics to define success metrics and interpret experiment results.

Monetization UX

  • Translate monetization and growth ideas into concrete prototypes, UX changes, and experiments.

  • Design and iterate flows for D2C, in-app/F2P, and LiveOps scenarios (shops, offers, bundles, events).

Bridge Business Design Tech

  • Translate business problems and partner needs into clear artifacts: flows, specs, clickable prototypes, and simple documentation.

  • Work closely with engineers to ensure feasibility and a smooth path from prototype to production.

  • Contribute to internal standards for AI-assisted workflows, UX quality, and visual consistency (without direct people-management).

Qualifications & Skills

  • 5–7+ years in product design, UX/UI, or a hybrid design-engineering role.

  • Hands-on experience with AI coding tools (Claude Code, Cursor, v0, or similar) — you use these to build and prototype, not just explore ideas.

  • A genuine passion for vibe coding and AI-assisted prototyping; someone actively building this muscle, not just aware of it.

  • Confident in Figma for UX flows, wireframes, and high-fidelity design when required.

  • Proven AI production experience: building prompt + workflow pipelines and shipping automated or AI-assisted flows into real use.

  • Strong UI skills: visual clarity, hierarchy, attention to detail, and the ability to make prototypes feel polished.

  • Strong UX thinking: flows, structure, consistency, and edge cases — able to design connected product experiences, not just individual screens.

  • Research skills: experience contributing to discovery (interviews, JTBD, CJM), usability tests, and surveys.

  • Analytics & experiments: comfortable framing hypotheses, reading A/B-test results, and connecting UX changes to business metrics.

  • Strong written and verbal communication in English — able to align stakeholders around your solutions.

Good to Have

  • Strong track record of designing and shipping D2C and F2P / in-app monetization experiences (shops, checkouts, promotions, LiveOps).

  • Experience in the gaming industry or working with game developers / publishers.

  • Ability to write functional front-end code (HTML/CSS/JS/React) to build prototypes independently.

  • Deep craft in interaction design, motion, and design systems; experience contributing to or maintaining a design system.

  • Broad understanding of modern product architecture (APIs, client–server patterns, microservices, cloud).

  • Experience with no-code / low-code tools such as Webflow, Retool, Zapier, or similar.

  • Experience in a fast-paced startup or scale-up environment.

  • Familiarity with growth design principles (conversion optimisation, funnel analysis, pricing presentation).

  • Additional language skills relevant to key markets (e.g. Russian, Malay, Chinese).

Benefits:
We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes 100% company-paid medical, dental, and vision plans, unlimited Flexible Time Off, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we’re not just building a business; we’re cultivating a community that values creativity, collaboration, and the transformative power of play.

By submitting the following job application form, you consent to Confidencial (Apenas para Cadastrados) processing your data for career-related inquiries and potential employment opportunities. We process your data in accordance with this Confidencial (Apenas para Cadastrados) Privacy Notice for Job Applicants. Please direct any inquiries regarding your data privacy to careers@Confidencial (Apenas para Cadastrados).com.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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