Top Tech Jobs & Startup Jobs in Brazil

Build and manage strategic client relationships for AI and data projects, serving as the primary stakeholder contact and coordinating internal delivery teams. Define project scope, staffing, pricing, timelines, budgets, and success criteria; manage risks and changes; identify account expansion and renewal opportunities; and lead performance reviews. The role combines project management, strategic consulting, commercial analysis, forecasting, and client advisory responsibilities to support retention, satisfaction, and profitable revenue growth.

Provide accurate Portuguese-English interpretation for healthcare-related calls in a home-based contractor role. Responsibilities include processing information quickly, following interpreter protocols, conveying medical terminology and cultural nuances, completing training, answering calls professionally, and reporting to a team leader. Candidates need fluency in both languages, strong listening, memory, note-taking, and communication skills, plus reliable internet, a wired headset, and a compatible computer.

Leads the design and structuring of an outcome-based finance mechanism for mangrove conservation in Brazil. Manages workplans, contracts, budgets, risks, reporting, consultants, legal partners, community consultations, government engagement, fundraising support, and investor-facing materials. Coordinates monitoring and verification frameworks, FPIC processes, site selection, stakeholder relationships, and alignment with Brazilian regulatory and environmental systems. The role requires regular domestic field travel and occasional international travel.

Own the technical relationship for strategic SaaS accounts from post-sale through renewal. Conduct platform audits, health checks, configuration reviews, and solution design; diagnose complex issues; manage escalations; and recommend integrations and workflow improvements. Develop technical success plans, drive adoption, retention, expansion, and advocacy, while presenting business value to executive stakeholders and collaborating with Engineering, Product, and Customer Success teams.

Own paid acquisition across Google, Bing, Meta, and YouTube, scaling campaigns from creative production through launch, optimization, and attribution. Produce high-volume ad assets using AI tools, manage full-funnel campaigns, improve campaign processes, automate repetitive work, and analyze CAC, ROAS, payback, and product activation data. The role requires hands-on Google Ads expertise, creative production skills, subscription funnel experience, and strong ownership in a remote startup environment.

Annotate and manage training/test datasets, run model training, evaluate model performance, perform manual QA and error analysis, and refine annotation guidelines for NLP/ML projects.

Designs, builds, and maintains production data pipelines and infrastructure supporting analytics, machine learning, and financial decision-making. Responsibilities include data ingestion, modeling, quality validation, workflow orchestration, database optimization, monitoring, troubleshooting, and managing scalable AWS or on-premises systems. The role collaborates with data scientists and analysts to ensure reliable access to large-scale and time-series financial data.

Supports the Accounts Receivable and Finance teams with payment tracking, payment identification and posting, bank reconciliation, financial document verification, spreadsheet and report updates, invoice and boleto distribution, delinquency follow-up, customer payment inquiries, and document organization. The apprentice will also interact with Billing, Sales, Operations, and Accounting teams while learning internal financial processes.

Develops new enterprise business in Brazil by prospecting strategic accounts, generating pipeline, leading complex consultative sales cycles, building ROI-driven business cases, negotiating with executives, and closing technology solutions involving implementation, integrations, and services. The role also contributes to commercial strategy, forecasting, market intelligence, and sales-team development.

Develop and maintain high-quality C++ game code, including gameplay features and game systems. Architect performant, modular, and maintainable solutions; advise teams on technology choices; and collaborate with project managers to deliver player-facing features. Mentor junior engineers through paired programming and code reviews while contributing to a collaborative, mentorship-focused culture.