Top Tech Jobs & Startup Jobs in Rio de Janeiro

Manage end-to-end bulk order operations, develop and maintain SOPs, coordinate internal and external stakeholders, and track operational KPIs. Improve workflows through data-backed decisions using AI and business intelligence. The role also emphasizes customer and vendor support, process optimization, communication, and collaboration in a remote, fast-paced startup environment.

Write high-volume email campaigns and flows in Klaviyo for complex DTC brands. Translate retention briefs into persuasive promotional, educational, launch, and seasonal copy; develop creative concepts; create brand voice guides, email best practices, and AI workflows; review and coach other writers; and help establish and scale the agency’s dedicated copywriting function.

Leads a large, multidisciplinary engineering organization responsible for enterprise analytics platforms supporting healthcare applications, AI products, search, translation, and text summarization. Owns engineering strategy, architecture, code quality, platform modernization, reliability, scalability, observability, and cost efficiency. Partners with Data Science, Product, Analytics, and Architecture teams while mentoring leaders and communicating technical strategy to stakeholders.

Owns end-to-end development of AI-powered healthcare workflows and full-stack features across web and mobile. Responsibilities include designing services, APIs, data models, infrastructure, AI agents, evaluations, and production monitoring. The role involves collaborating with clinicians and operators, handling PHI securely, responding to incidents, and developing internal AI coding-agent tools, plugins, MCP integrations, and review bots. Strong product judgment, full-stack development, and hands-on AI harness experience are required.

Leads platform engineering teams responsible for reliable, scalable, secure, and cost-efficient compute infrastructure. Oversees Kubernetes, cloud platforms, infrastructure as code, deployment tooling, observability, incident response, capacity planning, and platform architecture. Partners with engineering, security, and finance, manages roadmaps and operational practices, mentors engineers, supports performance management, and maintains sustainable on-call operations while driving continuous improvement.

Design and scale content workflows, governance standards, lifecycle processes, taxonomies, metadata, audits, dashboards, and measurement frameworks. Connect marketing systems, improve data flows, automate repetitive work, and apply approved AI tools with human oversight. Translate business needs into requirements and acceptance criteria while partnering with cross-functional marketing teams to improve content discoverability, quality, operational efficiency, and decision-making.

Support the CEO and US leadership team by managing calendars, inboxes, travel, meetings, action items, board preparation, events, and stakeholder coordination. The role requires discretion, strong organization, urgency, and effective prioritization in a fast-moving environment. The Executive Assistant will also coordinate onboarding and offboarding logistics across US and Brazil teams, manage office visits, and own special projects, with potential growth into broader company operations.

Reviews B2B contracts and compliance documentation, identifies obligations and risks, prepares summaries and checklists, supports contract lifecycle tracking, maintains records, assists with vendor due diligence, and coordinates requests in Jira. The role supports Business Development and internal teams, escalates complex matters, and helps improve compliance workflows while protecting confidential information.

Manage and grow Optibus’ Brazil customer base by leading complex B2B and B2G sales cycles, partnerships, RFPs, negotiations, and deal closures. Build client relationships, manage pipelines, exceed revenue KPIs, maintain Salesforce forecasting data, collaborate with Marketing, Product, Customer Success, and Pre-Sales teams, and represent the company at industry events. The role requires English and Portuguese fluency and national and international travel.

Build and operate customer-facing AI platform services and agentic workflows primarily in Python. Develop tool orchestration, state management, evaluation, tracing, observability, and reliable LLM-powered product features. Integrate with PHP and Java systems, PostgreSQL, SQS, gRPC, REST APIs, cloud infrastructure, and containerized environments. Contribute technical leadership through architecture, code reviews, testing, debugging, mentorship, and collaboration across product, design, data, security, and engineering teams.