Top Tech Jobs & Startup Jobs in Sao Paulo

Lead and own major components of DuckDuckGo's privacy technology using Go, Node.js, Python, and Perl. Design and implement privacy features, improve search and AI features without compromising privacy, build tracker-detection features, participate in privacy reviews and audits, and mentor engineers over time.

Deploy and operationalize AI agents across global operations: build single and multi-agent systems, implement RAG/knowledge layers, evaluation, guardrails, observability, and own outcomes and budgets.

Provide Level 2 onsite technical support: diagnose and resolve hardware, peripherals, and application issues; install, configure, and replace IT equipment; perform rack-and-stack, cabling, and basic network troubleshooting; document incidents in ticketing tools and collaborate with teams to meet SLAs.

Lead the accounting operations, oversee financial reporting and month-end close deliverables, ensure compliance with GAAP, and manage liquidity risk. Responsible for audits and process improvements.

Lead pre-sales and implementation of Azure cloud and AI solutions, shape solution architectures, estimate staffing/delivery, run technical workshops, manage risks and escalations, and scale repeatable AI/app offerings (LLMs, RAG, agent patterns) while ensuring security, observability, and responsible AI practices.

Lead analytical projects to generate data-driven insights and implement AI-assisted solutions. Partner with clients and internal teams to map processes, identify high-impact opportunities, scope and manage analytics work, and track outcome realization. Use descriptive and predictive methods, ensure data integrity, develop reporting, evaluate customer interactions, and present recommendations to stakeholders, including executives.

Lead architect and hands-on builder for AI solutions: evaluate feasibility and data readiness, translate business problems into technical and algorithmic requirements, design high-level architectures and prototypes, drive PoC to production handover, set MLOps/API standards, mentor team, and align North American implementations with European enterprise governance.

Manage a portfolio of transactional customer accounts, support sales and renewals, maintain Salesforce pipeline, oversee onboarding, collaborate with Customer Operations, and drive customer satisfaction through proactive engagement and account support.

Lead cross-functional teams to design and implement AI-driven applications on GCP using React 18, TypeScript, and Python FastAPI; integrate AI via Google ADK; manage data in Firestore and Cloud SQL; use generative AI tools and prompt-engineering best practices; conduct architecture and code reviews; coordinate work with GitHub Projects and document via Claude Code.

Lead development of large, strategic sustainability and ESG accounts in Brazil. Perform in-person territory sales, identify new business, build C-level relationships, manage complex sales cycles, negotiate and close high-value deals, and collaborate with the Sales Manager to grow revenue and pipeline.