Top Tech Jobs & Startup Jobs in Brazil

Evaluate AI-generated antitrust analysis for legal accuracy, build evaluation frameworks and instructions, test edge cases and jurisdictional errors, and write evaluation scripts using AI coding tools. Learn competition law from senior team members and access Concurrences' case law database.

Build and own end-to-end RAG and inference infrastructure: chunking, embeddings, retrieval optimization, vector DB schema/indexing, LLM integrations, agentic workflows, APIs (Python/FastAPI), and CI/CD/observability for a production legal research engine.

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 Brazil Talent Acquisition end-to-end: workforce planning, full-cycle recruitment, stakeholder partnership, and process improvements. Build scalable recruiting operations, employer branding (Canva), and analytics (Workday/ATS dashboards). Support global HR initiatives, share best practices, and recruit across regions with emphasis on Brazilian market expertise.

Lead DevOps and infrastructure for an energy-management platform: unify CI/CD across GitHub Actions and Azure DevOps, manage Azure and edge Kubernetes deployments, establish production readiness and observability, embed DevSecOps practices, implement repeatable edge deployment pipelines, own incident lifecycle and runbooks, and line-manage a nearshore DevOps/MLOps/QA automation team.

Design, build, and maintain high-traffic customer-facing web applications. Implement responsive React front ends with TypeScript/ES6+, and architect scalable Java Spring Boot microservices and REST APIs. Optimize performance, ensure SEO-aligned implementations with product and marketing, and independently drive technical solutions across cross-functional teams.

Manage a portfolio of client accounts as primary liaison, driving implementation of digital marketing strategies. Lead projects from design through implementation, coordinate internal teams, provide technical support and training, produce technical documentation, and identify upsell opportunities to ensure client success and retention.

Intern supporting market intelligence and pricing: research and qualify leads, manage CRM and prospecting campaigns, structure customer databases for intelligence tools, assist GPS system operation and perform statistical price analyses by segment, region, and product.

Serve as hands-on Creative Director and strategic account lead for two brands: own stakeholder relationships, spin up project pods, manage end-to-end delivery, commission and QC creative/copy, oversee CRM and lead-quality reporting, drive AI-based workflow automation, manage paid media vendor reporting, and produce executive-level cadence and reports. Must ensure on-brand, error-free shipping and support occasional US travel.

Prepare financial statements and maintain general ledger for multiple real estate properties. Perform reconciliations, support month-/year-end close, assist budgeting and forecasting, manage AP/AR, ensure compliance, support audits, and drive accounting process improvements.

Lead and coach an FX sales team to develop prospects, pitch and close deals, manage onboarding and client relationships, forecast sales, implement regional sales programs, and participate in recruitment and training to drive sales performance.

Lead and coach an FX-focused sales team to develop prospects, pitch and close deals, manage onboarding and customer relationships, provide sales forecasts, implement regional sales programs, recruit and train team members, and ensure adherence to sales methodology and processes.

Entry-level sales role selling FX and international payment solutions. Prospect, pitch, negotiate and close deals, collaborate on client onboarding, and progress through structured training and mentorship toward sales management or account management roles.

Format, edit, and quality-control complex Word and PDF documents for regulated or confidential environments. Manage tracked changes, comments, versions, comparisons, templates, forms, and document workflows. Extract and consolidate content, prepare secure/accessible PDFs, and advise on advanced Word/PDF features while maintaining accuracy and confidentiality.

Evaluate AI-generated email responses using a professional Gmail account: judge accuracy, relevance, helpfulness, and personalization; identify unsupported personalization; compare outputs; provide structured feedback; follow project guidelines, confidentiality, and timelines.

Analyze and document COBOL legacy applications, review and annotate code, identify edge cases and logic issues, create realistic test cases and technical scenarios for AI training, and provide structured feedback to improve training materials while collaborating remotely.

Lead design and operation of a cloud-native data platform: build scalable ETL/ELT and streaming pipelines, model data with dbt, implement infra-as-code, observability, data governance, and enable ML and analytics across squads.

Program, operate, and train on manufacturing equipment (especially PLC-controlled systems); design and implement cost-effective manufacturing processes; lead process improvements, launches, and training; analyze production data and coordinate maintenance to meet quality and safety standards.