Top Tech Jobs & Startup Jobs in Sao Paulo

The Analyst supports HR analytics by creating and maintaining Workday reports, analyzing HR data, and providing insights for talent management and workforce planning.

Build and execute data-driven acquisition and activation campaigns for a B2C worker marketplace. Monitor market health, prioritize and run multi-channel campaigns, and translate funnel strategy into scalable automations and AI-powered flows. Design, build, and evaluate LLM-driven workflows, onboarding sequences, re-engagement flows, and tooling to improve activation and retention across markets.

The Senior Data Scientist will develop and enhance predictive models for credit scoring and revenue forecasting while collaborating with multiple teams to execute data science experiments and ensure model reliability.

As a Golang Engineer at Tenki, you will build and maintain core infrastructure, architect APIs, and ensure secure microservices connectivity while mitigating DDoS threats and defining resilient systems.

Lead end-to-end UX research and product design for a fintech B2B platform: run studies, synthesize insights, define roadmaps, and deliver high-fidelity, accessible web interfaces in partnership with product and engineering.

Lead QA automation for complex web applications: design, build, and maintain Cypress/JavaScript test suites; run E2E, integration, regression, functional, and API tests; validate data with SQL; monitor with Grafana and Sentry; integrate tests into CI/CD; investigate production incidents; mentor other QA engineers and promote QA best practices.

Design end-to-end user flows and interactions across web, desktop, and mobile for Windscribe (and later Control D). Prototype and pressure-test interactions, design all states (errors, empty, loading, edge cases), review live products for usability gaps, collaborate with engineers and product to translate designs into implementation, and improve design systems and onboarding to make interfaces self-explanatory.

Serve as a technical lead for customer implementations: design, configure, integrate, troubleshoot, and optimize Feedzai solutions. Build integrations (APIs, messaging, file processing), analyze Java application performance, support migrations and go-lives, mentor engineers, and collaborate with Product and Customer Success teams to ensure scalable, reliable deployments and long-term customer success.

The Partner Solutions Engineer will enable technical partners, drive integrations, develop joint solutions, and support strategic partner relationships while maintaining strong partner engagement.

Provide remote technical product support for Bright Data's platform via email and phone. Troubleshoot customer issues, identify root causes, explain technical concepts, recommend best practices, and collaborate with Engineering and Product teams to resolve complex problems while learning product features.