Top Tech Jobs & Startup Jobs in Rio de Janeiro

Build and maintain backend services with C# and .NET, develop Next.js frontends, create RESTful APIs, integrate reporting services, write unit and integration tests, review code, and collaborate with clients and global Agile teams. The role requires strong backend expertise, full-stack development experience, architectural understanding, database knowledge, communication skills, and advanced English.

Develop and maintain Android applications using Kotlin, including new features, REST API integrations, UI/UX implementation, automated testing, performance optimization, and defect resolution. Collaborate with cross-functional teams, maintain code quality, use Git, and contribute to Kotlin Multiplatform Mobile initiatives and shared mobile code.

Develop and maintain scalable Java backend systems, microservices, RESTful APIs, persistence solutions, and event-driven integrations. Write automated tests, apply security and performance best practices, support CI/CD with Docker and Kubernetes, monitor applications using observability tools, and collaborate with international cross-functional teams to deliver reliable software for a global B2B e-commerce platform.

Drive LATAM growth by acquiring and onboarding introducing brokers, affiliates, clients, and strategic partners. Build relationships, execute business development strategies, generate revenue, monitor FX/CFD market trends and competitors, and collaborate with marketing and compliance. Prepare pipeline forecasts and reports, represent the company at industry events, and manage regional partnerships while working independently in a fully remote environment.

Own the vision, strategy, roadmap, and delivery of Wellhub’s Identity platform, including authentication, authorization, account management, SSO, and MFA. Partner with Engineering, Security, Privacy, Legal, Design, Data, and product teams to balance usability, security, scalability, and compliance. Define requirements, OKRs, metrics, and experiments; manage the backlog; prioritize platform capabilities; and influence stakeholders across the organization.

Lead a multidisciplinary engineering team building frontend and mobile platform foundations, SDKs, and integration services. Manage people, hiring, performance, career development, technical execution, architecture, roadmaps, and cross-functional delivery. Guide React and React Native architecture, code and design reviews, testing, CI/CD, monitoring, developer experience, and integration standards while collaborating with Product, UX, backend, and consumer teams.

Build, maintain, and scale Python backend services and data pipelines. Design RESTful APIs, asynchronous tasks, and reliable software using frameworks such as FastAPI, Django, or Flask. Optimize SQL and NoSQL databases, participate in code reviews, write automated tests, and support CI/CD deployments. The role involves cross-functional collaboration, performance improvements, and developing scalable backend infrastructure.

Designs and implements demand orchestration, outbound prospecting, lead management, routing, enrichment, CRM integrations, and GTM automation for clients. The role combines hands-on technical implementation with consulting, including requirements gathering, solution design, testing, documentation, training, troubleshooting, and system optimization. The specialist works across Salesforce, HubSpot, Clay, sales engagement platforms, intent tools, APIs, automation platforms, and AI workflows while contributing to internal implementation methods and educational content.

Design and implement attribution, source tracking, CRM integrations, ROI measurement, funnel reporting, and sales performance systems for B2B clients. Consult with revenue leaders, define metrics, build and validate reporting across marketing, sales, CRM, advertising, and BI platforms, troubleshoot data quality issues, document solutions, and train client teams. Contribute to implementation methodologies, technical content, automation, and AI-enabled data validation and analysis.

Lead analytics and data science initiatives to drive measurable business outcomes across various functions, including Underwriting and Claims. Oversee the full analytics lifecycle, foster stakeholder engagement, and mentor junior team members.

Lead enterprise customers from AI discovery through pilot and production rollout. Define deployment scopes, success metrics, integration plans, and execution roadmaps; coordinate Product, Engineering, Forward Deployed Engineers, and customer stakeholders; manage risks and blockers; support launches; monitor deployed AI agents; drive improvements, adoption, and expansion opportunities. The role involves onsite customer engagement and translating ambiguous needs into executable technical deployment plans.

Build and deploy AI agents that transform enterprise workflows. Embed with customers to understand operations, translate ambiguous problems into technical plans, integrate systems with customer tools and data, and own solutions from prototype through production. Measure business impact, iterate on deployed systems, and develop reusable tools and best practices while partnering with Product and Engineering.

Build and operate production AI agents and full-stack internal tools using TypeScript, Python, AWS serverless services, and LLM frameworks. Design secure agent runtimes, evaluation systems, observability, integrations, infrastructure, and CI/CD pipelines. Review AI-generated code, manage model behavior and costs, develop React-based tooling, and enable engineering teams through assistants, MCP servers, documentation, and technical collaboration.

Build and operate production AI agents and full-stack internal tools using TypeScript, AWS serverless services, Python, and modern AI frameworks. Responsibilities include agent design and sandboxing, evaluation, observability, infrastructure automation with Terraform, CI/CD, resilient integrations, security review, and developer enablement. The role also involves React and API development, documentation, and collaboration with global engineering teams.

Own and expand a business-critical WordPress website after agency handover. Responsibilities include platform maintenance, custom theme and component development, landing pages, integrations with HubSpot and Salesforce, analytics and conversion tracking, technical SEO, performance optimization, accessibility, security, testing, releases, documentation, and collaboration with marketing, IT, and external agencies.

Lead end-to-end cloud data platform architecture for clients using Snowflake or Databricks on Azure or AWS. Design lakehouse and warehouse solutions, guide migrations, establish modeling, governance, security, CI/CD and infrastructure standards, optimize cost and performance, and support BI, ML and GenAI foundations. Lead discovery workshops, architecture reviews and presales activities in Spanish and English while mentoring engineers and ensuring delivery quality.