Top Tech Jobs & Startup Jobs in Rio de Janeiro

Build and operate Kevel’s globally distributed ad-serving platform. Responsibilities include evolving ad decision pipelines, improving scalability, reliability, security, and performance, developing product features, supporting 24/7 operations, and collaborating with product management and customer success. The role requires backend programming, cloud-based distributed systems, latency-sensitive services, APIs, databases, and on-call participation. Preferred experience includes AWS or GCP, infrastructure as code, event streaming, observability, testing, and modernizing high-throughput systems.

Manage Lynx’s Brazilian marketing strategy by localizing global messaging, executing B2B demand generation campaigns, coordinating industry events, creating commercial content, managing social media, and supporting Sales and Pre-Sales. The role owns vendor coordination, competitor monitoring, brand consistency, and performance measurement through pipeline, lead, event, and engagement metrics. It requires strong knowledge of Brazil’s fintech and financial services market, autonomous execution, executive communication, and occasional travel across Brazil and Latin America.

Owns product strategy and execution for clinician decision support and family health platforms. Responsibilities include clinical workflow design, parent and clinician experiences, AI output transparency, healthcare-system deployment, EHR interoperability, evidence and regulatory quality, metrics, integrations, and advisory relationships. The role leads products from definition through live use while ensuring claims are safe, clinically credible, measurable, and useful within real-world pediatric and genetics workflows.

The Product Engineer at Rabbit will develop and optimize BigQuery features, ensure customer success, and oversee prototypes from concept to production.

The Data Engineer role involves developing and maintaining data pipelines, ensuring data quality, and collaborating with teams to deliver solutions tailored for financial services.

The Senior Infrastructure Engineer will own the cloud stack, enhance observability, architect browser cloud infrastructure, debug operational issues, and mentor other engineers, while managing multiple production workloads at scale.

Design and maintain data warehouse systems, develop ETL pipelines, manage datasets for analytics, and implement real-time data solutions.

Design, develop, and deploy machine learning pipelines. Implement MLOps practices and optimize models. Collaborate on data pipelines and cloud deployment.

Perform high-tier reverse engineering of Android apps (Java; native code a plus), analyze Android platform security, conduct vulnerability assessments and penetration tests, write test plans, and work with project leads to resolve escalated malware analysis cases.

This role supports TikTok Shop operations by translating strategies into actions, managing campaigns, tracking metrics, and ensuring smooth execution across brand accounts.