Top Tech Jobs & Startup Jobs in Rio de Janeiro

Build and maintain high-quality React Native mobile applications for Krak. Own feature delivery from technical design through release and iteration, create performant and maintainable UI components, write tested code, participate in reviews and design discussions, and collaborate with product, design, frontend, and Rust backend engineers. Contribute to shared components, tooling, code quality, and reliable consumer financial experiences.

Drive outbound talent sourcing and pipeline development for technical, operational, and leadership roles. Use LinkedIn Recruiter, Boolean searches, cold outreach, phone calls, and alternative channels to identify and engage passive candidates. Review profiles against job requirements, maintain candidate records in Greenhouse ATS, meet weekly sourcing targets, and pass qualified leads to recruiters.

Develop and maintain reusable CRM drag-and-drop modules, JavaScript components, automation workflows, and personalization solutions. Document marketing assets, troubleshoot platform issues, optimize performance, and support CRM marketers. Collaborate with CRM engineering teams on metadata and tagging standards, participate in on-call rotation, and manage multiple priorities while learning and applying Braze.

Design and deliver production-grade applied AI solutions (LLM workflows, RAG, agentic automation). Lead client discovery, define specs for prompt engineering, measure model quality/ROI, advise on data and safe deployment, and contribute reusable AI assets.

Own and advance BI integrations for Excel, Google Sheets, and Looker, including query translation across MDX, DAX, and SQL. Build semantic model converters into SML, resolve customer-reported defects, improve reliability, and expand automated integration and end-to-end testing. Collaborate with product, QA, support, and customers while adapting integrations to changing third-party APIs and analytical platforms.

Build and maintain technical security and compliance controls across SOC 2, ISO 27001, HIPAA, and enterprise frameworks. Automate evidence collection, access reviews, security checks, and compliance workflows; support audits; address security questionnaires; monitor controls for access, infrastructure, data protection, logging, and vulnerabilities; and improve scalable compliance systems.

Own end-to-end test strategy and automation across the SDLC. Design test cases and plans, implement integration, system, regression, and performance testing, integrate tests into CI/CD pipelines, partner with developers on quality and acceptance criteria, investigate failures, and report quality metrics. The role may also support Kubernetes workloads, SOC 2 evidence, and regulated environments.

Lead strategy, operations, and optimization for acquiring and sub-acquiring payment products, including bill payments, mobile top-ups, Tap to Pay, and Payment Link. Manage partner relationships, regulatory compliance, cross-functional initiatives, performance analysis, customer experience improvements, business cases, and market innovation. The role requires strong payments expertise, financial analysis, P&L knowledge, advanced Excel, moderate SQL, and experience in fintech or acquiring businesses.

Design, build, and operate scalable data pipelines, models, and products supporting analytics, operational decisions, and AI. Own data architecture, dimensional modeling, data quality, lineage, orchestration, observability, and performance. Lead the migration from Redshift to Snowflake, establish engineering standards, and partner with technical and business teams to deliver trusted data solutions.

Drive Qompyl’s growth from beta through launch by managing acquisition funnels, organic and paid channels, lifecycle programs, experimentation, analytics, community, referrals, and partnerships. Identify performance gaps, optimize conversion and retention, and provide actionable recommendations. The role requires financial-markets fluency to market effectively to self-directed traders and investors, plus hands-on execution in an early-stage environment.