Top Software Engineer Jobs in Rio de Janeiro

Design and build scalable backend microservices, chat services, conversational interfaces, and frontend experiences across web, mobile, and WhatsApp. Manage cloud infrastructure supporting high-volume real-time messaging, integrate Google Cloud services, and improve chatbot effectiveness through customer feedback and analytics. Collaborate with product, UX/UI, and business teams while mentoring junior developers and applying architectural best practices. The role requires strong software engineering experience, English proficiency, and familiarity with APIs, distributed systems, AI tools, and fintech.

Design and build scalable backend microservices, chat platforms, conversational interfaces, and web and mobile user experiences. Develop cloud-based infrastructure supporting high-volume transactions and real-time messaging using Google Cloud services. Collaborate with product, UX/UI, and business teams, mentor junior developers, and continuously improve chatbot effectiveness using customer feedback and analytics. The role requires strong software engineering fundamentals, API experience, architectural knowledge, and upper-intermediate or better English proficiency.

Design and build scalable backend microservices, conversational interfaces, and web and mobile experiences for a high-volume fintech platform. Manage Google Cloud infrastructure, real-time messaging, and chatbot services while collaborating with product, UX, and business teams. Improve customer experiences through analytics and feedback, mentor junior developers, and apply modern architectural patterns, deployment practices, and AI-assisted development tools.

Develop and maintain production Elixir applications, collaborate on product features, write tested and maintainable code, participate in reviews, investigate bugs, improve reliability and performance, and contribute to technical discussions. The role requires full-time availability for a six-month-plus contract in Latin America and effective English communication.

Design and build reliable, scalable backend APIs and microservices for large-scale SaaS products. Collaborate with Product, Design, and QA teams on end-to-end solutions, participate in roadmap and architecture discussions, and apply automated testing, code reviews, monitoring, and Agile practices. Assess feature impact, manage risks, improve maintainability, and contribute to high-quality systems that support studio partners and end users.

Build and scale reliable backend APIs and microservices for a large-scale SaaS platform. The role includes collaborating with Product, Design, and QA; applying automated testing, code reviews, monitoring, and Agile practices; contributing to architecture, roadmap planning, and design discussions; and designing maintainable systems using Java, Kotlin, Python, SQL, New Relic, and Kibana.

Develop and maintain Python features and services for a custom AI intelligence solution. Build async REST APIs, work with PostgreSQL and ORMs, write automated tests, and deliver small, well-tested increments. Collaborate with a senior engineer on architecture, support LLM and RAG components, communicate proactively with clients, and adapt to changing priorities. The role is fully remote for candidates in Brazil or Argentina.

Lead quality engineering for Airbnb’s platform by developing full-stack test automation across unit, service, integration, and end-to-end testing. Build and improve automation frameworks, integrate tests into CI/CD pipelines, troubleshoot defects, and collaborate with engineering, product, and QE teams. Apply AI and tooling to improve test coverage, quality signals, developer productivity, and release efficiency.

Design, implement, and scale Rust services and libraries for trading, payments, and crypto. Build reliable, high-performance distributed systems, collaborate on architecture, write testable async network code, and own production systems end-to-end.

Build and maintain Clara’s QA automation platform, including Playwright frameworks, backend APIs, fullstack internal tools, test reporting, CI/CD pipelines, and integrations. Develop reliable, reusable automation infrastructure, reduce test flakiness, support AI-assisted test generation, and collaborate with QA and product engineering teams on testability, code quality, documentation, and adoption.

Build and operate OpenShift-native CI tooling and infrastructure; design scalable distributed solutions; engage upstream open-source projects (Prow); maintain dev/staging/production environments and monitoring; troubleshoot escalations; participate in on-call rotation; mentor engineers and perform code reviews.

Designs and delivers complex backend services and shared platform components for identity, authentication, and access control. Owns projects from design through production, breaks initiatives into milestones, resolves technical challenges, identifies risks, mentors engineers, documents technical decisions, and collaborates across teams to align engineering work with product priorities.

Develop observability software for network automation, including discovery, reconciliation, monitoring, and fleet management. Build multi-tenant, event-driven services using Go, protobuf APIs, PostgreSQL, Redis, and RabbitMQ. Apply observability and instrumentation expertise with OpenTelemetry, networking knowledge, secure coding practices, and coding agents. Collaborate with product, platform, NetBox, and open-source communities while producing technical specifications and delivering reliable integrations.

Build and maintain developer tools, SDKs, CLI, MCP interfaces, integrations, and supporting backend services. Collaborate on API contracts, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable systems with authentication, retries, idempotency, rate limits, monitoring, and error recovery.

Develop and maintain MCP tools and the MCP Toolbox for Databases; expand test coverage for agentic coding assistants; refactor and maintain test frameworks; convert technical posts into production-ready sample code and documentation; build real-world data applications (QueryData) to support product R&D and collaborate with cross-functional teams to accelerate agentic AI adoption.

Develop, test, maintain, debug, and support software applications and platform components using .NET technologies. Collaborate within Agile teams with product owners, QA, support, and senior engineers to deliver reliable, maintainable solutions. Participate in sprint ceremonies, design discussions, code reviews, troubleshooting, root-cause analysis, and operational support. Apply secure coding, testing, CI/CD, performance, and modern engineering practices while increasing ownership and independence.

Architect and develop scalable backend microservices for payments, disbursements, or governance, risk, and compliance. Build secure, high-performance financial systems using Google Cloud and distributed-system technologies, support millions of daily requests, and collaborate with product, operations, and compliance teams. The role also includes mentoring junior engineers, improving platform capabilities through analytics and feedback, and implementing payment, KYC, AML, and regulatory workflows.

Designs, develops, tests, deploys, documents, and supports laboratory interfaces and integrations. The role builds HL7 and JSON integrations, maintains SFTP connectivity, investigates errors, audits interfaces, coordinates with vendors, supports laboratory clients, and provides training. Candidates need experience with EMR/EHR or SaaS interfaces, HL7, laboratory operations, SFTP, ticketing systems, Jira, Confluence, and Microsoft Office.

Build and maintain scalable Java Spring Boot backend systems for a dental practice management SaaS platform. Own major feature releases and platform migrations, ensuring production stability, performance, security, and reliability. Collaborate with frontend, product, and AI teams; integrate AI capabilities; conduct code reviews; improve engineering efficiency; and mentor teammates. Use AI tools responsibly while retaining architectural and code-quality ownership.

Lead frontend feature releases and own production lifecycle for React and TypeScript domains. Build scalable, tested, high-performance AI-powered interfaces, integrate with a Java Spring Boot backend, and improve user experience and team efficiency. Participate in code reviews, estimate development work, monitor frontend health, and ensure stable, reliable software for dental practices.

Lead the technical direction and development of Commure’s Insights practice management platform. Build scalable full-stack applications with React, Python, and PostgreSQL; improve reliability, observability, performance, and availability; collaborate across infrastructure, backend, product, and design teams; mentor engineers; lead high-impact projects; conduct code reviews; and drive architectural improvements for healthcare workflows serving thousands of practices.

Define long-term technical strategy and architecture for core backend systems supporting real-time personalization at massive distributed scale. Lead mission-critical engineering initiatives, make architectural trade-offs, improve resilience and operational excellence, conduct design reviews, mentor senior engineers, and align technical execution with business goals. Integrate AI/ML models into high-throughput production systems and contribute to scalable infrastructure.

Build and ship production software in client technology stacks, including APIs, services, data models, interfaces, automated tests, CI/CD, and failure handling. Use AI coding agents daily while reviewing all generated code. Work with relational and non-relational databases, third-party integrations, cloud deployments, infrastructure as code, and compliance requirements. Collaborate directly with clients in English and deliver maintainable, tested software end to end.

Build and operate production AI email agents for healthcare RCM: design agent harnesses, backend APIs (Python/FastAPI), React operator interfaces, PostgreSQL schemas, integrations, evaluation frameworks, monitoring, and reliability. Own end-to-end projects, work with RCM operators, and iterate rapidly on product and production outcomes.

Build and scale secure backend microservices for payments, disbursements, and governance, risk, and compliance workflows. Design high-performance distributed systems on Google Cloud, support millions of daily requests, and implement financial, onboarding, KYC, and compliance capabilities. Collaborate with product, operations, and compliance teams, mentor junior engineers, and continuously improve platform functionality through analytics and user feedback.