Head Of Product Design (Ui / Ux, Ai-Forward) - Contractor Role

Head of Product Design (UI / UX, AI-Forward) - ContractorDownstream

• Open to employees in Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, VenezuelaAbout DownstreamDownstream is transforming the construction industry by building a marketplace for equipment rentals, portable toilets, and roll-off dumpsters.

We are scaling fast.

Our vision : bring price transparency, automation, and intelligence into one of the most manual, underserved verticals in the economy.We're inspired by clean design and modern architecture—and we're pushing forward with AI-native product thinking, not bolting it on later.The RoleWe're hiring a Head of Product Design (UI / UX) who is obsessed with creating intuitive, elegant, and impactful user experiences.

You've shipped something before—whether at a startup that scaled, a product that users loved, or a platform that redefined a workflow.

You know the pain of turning complex problems into simple, usable solutions, and you want another shot at shaping an industry from 0 ? 1.At Downstream, you'll work directly with our CEO, CTO, and Product team to : Define and own the design vision for our marketplace, supplier tools, and customer experience.Lead end-to-end design for web and mobile, including UX flows, UI systems, and visual identity.Architect AI-native product experiences that feel intuitive, not artificial—helping users trust automation and agents in critical workflows.Collaborate with engineers and product managers to ship fast : prototype, test, iterate, and refine.Build and scale our design system so we can move quickly without sacrificing quality.ResponsibilitiesDrive the product design strategy across customer, supplier, and internal platforms.Build and maintain UI / UX standards that reflect simplicity, trust, and efficiency.Design AI-native experiences—where agentic systems interact seamlessly with users, data, and decisions.Conduct user research and usability testing with construction industry stakeholders.Mentor and grow a design team as we scale.What We're Looking ForBattle-tested designer : You've shipped real products (startup, marketplace, SaaS, or similar).

AI-forward mindset : You don't just add AI—you design around it, making it feel natural and empowering.Builder's DNA : Comfortable with ambiguity, speed, and iteration.

You've felt the pain of building in the real world and still want more.Technical & design skills : UI / UX design (Figma, Sketch, or equivalent)Strong UX research and prototyping chopsDesign systems and component librariesUnderstanding of modern frontend frameworks (bonus : Flutter, React)Experience designing for AI interactions (chat, agents, workflows)Startup mentality : Hands-on, resourceful, willing to go beyond your job title.Industry experience : Construction tech or marketplaces a huge plus—someone who can empathize with our users.Nice-to-HavesExperience in marketplaces, logistics, SaaS, or fintech.Familiarity with B2B workflows and procurement tools.Contributions to open-source design systems or AI products.Why DownstreamEarly-stage, high-growth startup with real traction.Work with a small, sharp, and ambitious product + engineering team.Opportunity to shape AI-native product experiences in an industry that hasn't seen this level of innovation before.Competitive salary + equity