Top Tech Jobs & Startup Jobs in Sao Paulo

Lead lifecycle strategy and execution across Consensys products: design personalized user journeys, run experiments and A/B tests, manage end-to-end campaigns (briefing creative, targeting, QA, measurement), and optimize lifecycle channels (in-app, push, banners) to drive activation, engagement, retention.

Lead global business development for Binance Pay by identifying and closing enterprise merchant and payments infrastructure partnerships. Own full sales cycles, negotiate contracts, coordinate KYB and integrations, collaborate with Product/Legal/Compliance/Marketing, drive regional expansion strategies across priority verticals, analyze partner performance to optimize commercial terms, and meet aggressive merchant and transaction growth KPIs.

Owner of QA across web and mobile products: manual UI, functional and integration testing; code review; backlog prioritization in scrum; test-case writing; bug tracking; automation opportunities; verify performance and UI consistency; contribute to QA process improvements.

Build, deploy, and monitor production LLM-powered systems embedded with portfolio companies. Integrate with legacy databases and third-party SaaS, create reusable integration components, validate economic impact with operators, and standardize solutions for reuse across pods.

Design, build, and maintain high-performance backend systems and APIs using Elixir/Phoenix. Collaborate with product and design teams, own features end-to-end, write unit/integration tests, participate in code reviews, optimize performance and scalability, and stay current with the Elixir ecosystem.

Design, build, and maintain scalable web applications across frontend and backend using React, Node.js, and TypeScript. Develop RESTful APIs, optimize performance, integrate third-party/cloud services, participate in code reviews, and adopt AI-assisted development and modern deployment practices.

Design, develop, test, audit, and deploy smart contracts and dApps. Integrate wallets, blockchain APIs, and Web3 infrastructure. Optimize for performance and gas efficiency, collaborate with cross-functional teams, monitor production systems, research emerging protocols, and document technical specifications.

Design and prototype interactive features for a next-generation code editor, build keyboard-driven workflows and AI-agent interactions, implement UI in the product, and collaborate closely with engineers on performance-focused developer tools.

The role involves managing markets and customers, gathering project information, assisting in supplier access, and promoting products.

Handle editing and polishing of AI-generated audiobooks, ensuring quality tone, pacing, and alignment with authors. Collaborate in post-production processes.