Top Tech Jobs & Startup Jobs in Brazil

Design and implement core blockchain node software in modern C++, including consensus, privacy-preserving cryptography, and high-performance P2P networking. Optimize transaction processing, enforce memory safety, maintain cross-platform CMake/Bazel builds, and conduct security-focused code reviews. Collaborate with cryptography researchers on zero-knowledge proofs, homomorphic encryption, MPC, and signature systems.

Develop, train, evaluate, and optimize ML solutions and data pipelines; translate business requirements into production-ready ML code; perform feature engineering, model selection, and evaluation; document work, participate in code reviews, and support testing and data issue resolution.

Generate outbound pipeline, qualified meetings, and sales-qualified opportunities. Meet or exceed monthly quotas, forecast performance, improve BDR systems and processes, and collaborate with account executives and sales and marketing teams to create new business opportunities.

Generate outbound pipeline and qualified sales opportunities, meet or exceed monthly quotas, deliver quality meetings, forecast performance, and collaborate with BDRs, account executives, and marketing. The role focuses on cold calling, prospecting, researching, copywriting, opportunity qualification, and improving sales processes and tools for European customers.

Lead Valatam’s HR function with a focus on retention, employee satisfaction, performance management, and culture. Responsibilities include analyzing turnover, managing surveys and feedback, coaching the HR team, overseeing performance improvement plans, resolving employee concerns, maintaining HR policies and records, supporting onboarding and offboarding, administering compensation and benefits, and improving HR processes and reporting.

Design, architect, test, and deliver full-stack applications focused on financial reporting and data visualization. Refactor and optimize existing systems using Agile practices. Collaborate with product managers and data engineering to extract, parse, and serve large-scale private asset analytics. Provide end-to-end ownership of backend and frontend components to ensure maintainability and performance.

Lead GovConnect’s LATAM expansion, owning market strategy, public-sector sales, procurement engagement, partnerships, budgets, operations, and sustainable growth. Build government and institutional pipelines, develop country-specific go-to-market plans, convert pilots into recurring contracts, and translate market feedback into product priorities. Recruit and lead teams, represent the business with stakeholders and investors, and participate in a management buy-in involving personal investment and equity participation.

Build and maintain RAG infrastructure for hundreds of thousands of legal documents: chunking pipelines, vector DB integration, embedding strategy, semantic search, retrieval/reranking/LLM orchestration, evaluation tooling, API components, and deployable backend services. Ship multiple features quickly and collaborate with CTO and founder on architecture and domain-driven trade-offs.

Lead and execute copy strategy across website, email, social, ads, blogs, VSLs and sales scripts. Craft clear value propositions and educational content for diverse audiences, collaborate with product, marketing, and customer success, and optimize copy through A/B testing to drive engagement, retention, and revenue.

Analyze and simplify complex rule-based detection logic, data flows, and enterprise-scale analytics systems. Investigate large datasets, identify redundancy and inefficiencies, assess downstream risks, and recommend improvements while preserving detection quality. Collaborate with engineers, data scientists, and security researchers to resolve ambiguous problems, validate hypotheses, and communicate data-backed findings. The role requires strong Python and SQL skills, systems thinking, autonomy, and experience with complex analytical investigations.

Lead VTEX’s CMS product strategy and roadmap for enterprise commerce. Define AI-powered content management capabilities, partner with engineering, design, customers, and platform teams, and validate ideas through prototypes, experimentation, and data analysis. The role requires hands-on use of AI development tools, technical understanding of APIs and platform architecture, customer-driven product judgment, and the ability to influence cross-functional stakeholders.