Top Tech Jobs & Startup Jobs in Sao Paulo

Develop and modernize PHP APIs, services, and a React Native mobile application while maintaining a legacy vanilla PHP web platform. Responsibilities include shipping mobile features, debugging production issues, resolving defects, improving performance and reliability, analyzing logs and monitoring data, collaborating with Product, QA, and Support, and applying testing, code review, CI/CD, and AI-assisted development practices.

Execute manual, exploratory, functional, regression, and edge-case testing for mobile games. Document bugs with clear reproduction steps, severity, and impact; maintain test plans and checklists; support automated testing with C# scripts; use AI-assisted QA tools; track work in Jira or Azure DevOps; and collaborate with developers across iOS and Android devices, operating systems, and app stores.

Own the technical relationship and sales engineering lifecycle for strategic partners, including system integrators, ISVs, OEMs, and hyperscalers. Shape joint architectures, co-sell opportunities, proofs of concept, competitive positioning, partner enablement, reference assets, and Centers of Excellence. Advise on hybrid cloud, data sovereignty, streaming, lakehouse, and GenAI architectures while developing technical champions and communicating partner needs internally. The role also includes thought leadership through workshops, whitepapers, webinars, and industry events.

Build and deploy production AI agents, integrations, data pipelines, and applications within client environments. Lead discovery, translate business challenges into valuable solutions, establish evaluation and monitoring frameworks, and coordinate multidisciplinary delivery. Senior engineers lead executive discovery, own engagement outcomes, mentor peers, and create reusable implementation patterns. The role requires strong Python expertise, production LLM and agentic-system experience, cloud and enterprise integration skills, technical communication, and willingness to work onsite and travel approximately 25–50%.

Design and build reliable, scalable backend services, search APIs, semantic and lexical search systems, and platform components serving millions of users. Collaborate with engineering, product, and QA teams to translate requirements into solutions, while improving observability, monitoring, alerting, and operational readiness. Support multi-region systems using CI/CD, infrastructure as code, containers, high availability, and disaster recovery practices.

Own partner and customer success across the NA/LATAM ecosystem by guiding onboarding transitions, driving adoption and value realization, conducting QBRs and EBRs, monitoring satisfaction and usage metrics, managing escalations and risks, and identifying growth opportunities. The role requires collaboration with commercial, technical, product, engineering, support, and sales teams while serving as a trusted advisor to MSPs, MSSPs, resellers, and direct customers.

Build and maintain scalable, enterprise-grade full-stack applications across frontend and backend systems. Responsibilities include requirements analysis, project estimation, coding, testing, peer reviews, risk communication, API development, database modeling, and researching new technologies. The role requires collaboration with project managers, clients, and engineering teams, plus strong English communication and an interest in AI and open-source technologies.

Own the CEO’s calendar, follow-ups, project-management systems, hiring operations, content execution tracking, metrics, reporting, and special projects. The role protects executive focus, enforces accountability across teams, coordinates hiring pipelines, analyzes financial and performance data, and builds scalable operating rhythms. It is a high-trust Executive Operations position with a performance-based path toward Chief of Staff responsibilities.

Owns lifecycle and retention marketing across email, SMS, loyalty, SEO, and customer journeys for a DTC health and wellness brand. Responsibilities include building automated flows, segmenting audiences, optimizing campaigns, managing loyalty programs, improving retention and repeat purchases, monitoring performance, and optimizing Shopify content for search and AI discovery. The role combines hands-on execution, analytics, experimentation, and cross-functional collaboration with ecommerce, paid media, customer experience, and creative teams.

Build and operate full-stack features across TypeScript, Node.js, React, and Rust services. Own development from design through production, including APIs, webhooks, integrations, testing, CI automation, code review, refactoring, troubleshooting, and on-call support. Improve agentic development workflows and quality practices, expand automated coverage, and collaborate with distributed product and engineering teams in an Agile/Scrum environment.