Top Tech Jobs & Startup Jobs in Brazil

Develops and optimizes backend functionality using C#, .NET, SQL, Angular, WebAPI, and Git. Participates in project design, software quality initiatives, requirements analysis, and internal customer consultations. Identifies processes for collecting, organizing, analyzing, sharing, and monitoring information, while suggesting relevant technical solutions. Requires six months to one year of backend experience and a completed degree in a related field.

Investigate fraud, refund and chargeback abuse, exploits, account takeovers, identity verification issues, and trust and safety escalations across online games. Analyze transaction records, logs, account histories, device data, and player behavior to make evidence-based decisions. Document findings, escalate high-risk cases, identify recurring patterns, coordinate with Payments and Support, and improve operational procedures. The role requires English and Portuguese fluency, independent remote work, shift availability, and interest in gaming.

Design, develop, test, and maintain scalable financial services systems using Java, Spring Boot, PostgreSQL, Kafka, and AWS. Responsibilities include architectural design, performance tuning, asynchronous programming, continuous integration, production monitoring, documentation, and secure distributed application development. The role also involves collaborating cross-functionally, mentoring peers, and applying AI frameworks and financial-domain knowledge to payment, lending, fraud, and compliance solutions.

Provides technical onboarding and deployment support for enterprise customers using voice AI agents. Responsibilities include designing integrations, building conversational agents, debugging production issues across APIs, telephony, webhooks, and LLMs, analyzing logs and transcripts, resolving incidents, and translating customer feedback into product improvements. The role partners with Engineering, Product, Customer Success, customer developers, and telephony providers.

Leads federal sales strategy and growth for Department of War, Intelligence Community, and national security customers. Owns pipeline development, capture planning, forecasting, account strategy, complex pursuits, partner relationships, and executive customer engagement. Builds scalable sales processes and a future federal sales organization while translating AI security capabilities into mission outcomes. Collaborates on proposals, demonstrations, acquisition materials, product feedback, and go-to-market strategy. Travel is approximately 10–25%.

Build Nango’s developer infrastructure platform across backend services, APIs, runtimes, dashboards, SDKs, CLI, MCP, and web applications. Own product surfaces end to end, work directly with customers, shape product and technical roadmaps, design reliable systems, and maintain open-source projects. The role requires strong backend fundamentals, TypeScript experience across Node.js and React, product ownership, developer empathy, communication, and autonomy in a remote startup environment.

Designs and deploys secure AWS cloud architectures, leads enterprise migrations and application modernization, and builds Generative AI and machine learning solutions using Bedrock, SageMaker, vector databases, and RAG. Acts as the primary technical leader for client engagements, advises executive stakeholders, develops proofs of concept, drives AWS adoption and account growth, and mentors engineering teams while creating reusable infrastructure and delivery frameworks.

Provide Tier 1 and advanced technical support for a developer platform in a 24/7 project. Responsibilities include assisting customers, troubleshooting technical issues, gathering and analyzing technical data, applying QA and testing practices, and supporting digital marketplace and game-development workflows. Familiarity with game engines, programming concepts, CRM systems, and 3D digital assets is valuable. The role requires at least 20 hours of weekly availability and specified computer, internet, and power capabilities.

Independently develops reproducible marketing science analyses for B2B customer insights, including segmentation, pricing, conjoint, MaxDiff, regression, sentiment, and CX driver studies. Creates quality-controlled datasets, applies statistical methods, validates models, documents assumptions, and translates findings into clear business guidance for pricing, growth, satisfaction, and loyalty decisions. Collaborates with insights teams and supports reusable analytical templates, code quality, and decision-ready reporting.

Supports customer lifetime value execution across Latin America by activating installed-base opportunities, improving sales-funnel performance, monitoring forecasts and commercial metrics, and identifying Equipment and Services growth opportunities. Partners with regional and country teams, Marketing, Services, finance, channels, and sales support to deploy campaigns, improve sales processes, maintain accurate commercial data, and translate analysis into actionable recommendations.