Top Tech Jobs & Startup Jobs in Rio de Janeiro

The Content Manager will coordinate, produce, and optimize Portuguese betting and iGaming content, focusing on SEO and performance monitoring while collaborating with teams.

Design and own B2B sales systems and workflows, manage HubSpot end-to-end, build prospecting/enrichment and AI-enabled sales workflows, implement conversation intelligence, build reporting and dashboards, diagnose sales bottlenecks, and partner with Sales, Marketing, and Finance to align systems and data.

Manage setup, monitoring, optimization and reporting of digital ad campaigns across sports sites. Troubleshoot tags/creatives, ensure compliance, coordinate with sales, publishers and IT, and verify invoicing and publisher records.

Lead Fever's Brazil expansion by defining business plans, advising strategic partners, driving data-informed projects to improve CAC/LTV/ROI, optimizing operations and cross-functional workflows, and coordinating regional stakeholders to localize product and marketing efforts.

Record two scheduled four-hour sessions from a quiet, acoustically suitable home studio. Participate in natural conversations, prompted discussions, and scripted customer-service scenarios in native-level Brazilian Portuguese. Complete an audition with two 30-second samples and produce uncompressed WAV audio at 24-bit, 48 kHz. A dedicated external microphone, dry recording room, and professional-quality audio setup are required.

Lead quality strategy for Portuguese (Brazil) AI training: manage ~10 reviewers, audit feedback, run calibrations, coach reviewers, monitor trends, and liaise with global quality teams to maintain annotation and linguistic standards.

Own end-to-end AWS enterprise architecture, including multi-account governance, hybrid connectivity, security, serverless applications, and platform design. Lead the operational team while writing CDK, Lambda, and agent tooling. Develop agentic SDLC capabilities, define execution intents, modernize a legacy VB6 application, evaluate external digital platforms, and communicate architecture decisions to client IT and security leaders. The role requires hands-on AWS, TypeScript, Java, AI/ML, infrastructure-as-code, and hybrid modernization expertise.

Develop scalable cloud-native applications and microservices using Java and Python on Azure. Design secure REST APIs and distributed systems, apply DevOps and Agile practices, and use AI tools to automate code generation, testing, debugging, documentation, refactoring, and CI/CD. Collaborate with cross-functional teams, mentor engineers, and improve software delivery productivity through AI-first engineering workflows.

Develop and maintain backend services using Java and Spring Boot. Design REST and gRPC APIs, manage PostgreSQL and Redis integrations, build containerized services with Docker and Kubernetes, and apply backend security practices. Troubleshoot distributed systems, contribute to CI/CD and GitOps workflows, participate in technical design discussions, and collaborate with multicultural teams. The role also involves testing, performance analysis, and occasional mentorship.

Own end-to-end delivery of web platform features across TypeScript/React/Next.js and PHP/Laravel. Build scalable APIs, integrations, data models, and customer-facing experiences while applying Clean Architecture. Support production operations, testing, observability, documentation, and developer tooling. Collaborate with product, design, and engineering teams, using AI coding assistants to accelerate delivery. The role requires strong English communication and full-stack production ownership.

Build and optimize performance-critical execution systems for a Layer 1 blockchain and decentralized exchange. Responsibilities include developing low-latency order execution, event propagation, and state-update pipelines; optimizing concurrency, scheduling, memory, and I/O; ensuring determinism, correctness, resilience, and consensus compatibility; profiling bottlenecks; and shaping execution architecture. Senior and principal contributors will lead system design, mentor engineers, and establish high-assurance distributed execution standards.

Lead end-to-end onboarding and implementation for franchise and multi-location customers. Manage concurrent rollouts, project plans, stakeholder relationships, integrations, POS systems, and third-party vendors. Develop SMS strategies, customer journeys, campaign copy, segmentation, automation workflows, KPIs, and compliance processes. Coordinate with Engineering, Product, Sales, and Customer Success while improving onboarding playbooks and ensuring timely handoffs.

Supports talent acquisition by sourcing and engaging candidates, reviewing applications, conducting initial screenings, coordinating interviews, maintaining ATS records, communicating with candidates, supporting job postings, and helping manage recruitment pipelines and operations. The role also contributes to a positive candidate experience and collaborates with the people and employer brand teams.