Top Software Engineer Jobs in Sao Paulo

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, design and run experiments (A/B tests and AI evaluations), implement AI infrastructure for reliable LLM inference, and iterate quickly to scale production-ready LLM-powered products.

Design, build, and operate backend services in Go/gRPC to support CX and compliance workflows. Integrate and maintain third‑party SaaS and vendor APIs, operate production systems on AWS/Kubernetes/Terraform, drive engineering best practices, collaborate cross‑functionally, and apply responsible generative AI practices to improve workflows.

As a Software Engineer II, you'll automate tasks, streamline the development lifecycle, and optimize deployment processes while collaborating with teams to enhance workflows and practices.

Collaborate with teams to design, maintain, and deploy software systems that ensure compliance and operational excellence in a clinical environment.

Lead and scale Wellhub's B2B engineering for the CIA Focus Area: design and build complex, distributed services; set technical vision and architecture; partner with Product, Design, and Data; mentor engineering managers and tech leads; oversee integrations, legacy modernization, monitoring, incident management, and system reliability while fostering a high-performing, agile culture.

The role involves building and shipping production-grade applications across the full stack, working with real-world datasets, integrating various services, and collaborating with AI and product teams to develop AI-enabled solutions for the public sector.

Design and implement cloud-native Azure solutions (AKS, Service Bus, Event Hubs, Functions, API Management). Build containerized Java/Spring Boot microservices, enforce standards, conduct code reviews, mentor developers, and implement CI/CD, monitoring, and event-driven messaging architectures while mitigating technical risks.

Build and enhance AI-powered applications and internal tools using AI-assisted coding workflows. Prototype, ship features, evaluate emerging AI technologies, create proofs-of-concept, write clean tested code, and share best practices across engineering teams.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

As a Staff Fullstack Software Engineer, lead technical strategy, system evolution, operational excellence, and mentor teams while promoting wellbeing at work.

Design, develop, and deploy features for Housecall Pro's iOS app. Ensure performance, quality, and responsiveness; collaborate with product and design; run A/B tests; write automated tests; introduce architectural improvements; fix bugs and maintain code quality.

As a Software Engineer, you'll develop digital experiences, collaborate with teams, and maintain documentation while using modern web technologies.

As a Senior Software Engineer on the Developer Platform team, you'll enhance developer productivity by delivering efficient workflows, integrating AI tools, and improving the software development life cycle.

The Software Engineer II will build and maintain features across marketing technology and mobile applications, contribute to backend services and collaborate with teams to enhance user engagement and retention.

The Software Engineer II role involves building and maintaining features across marketing technology and mobile applications while collaborating with various teams. You will contribute to backend services, develop integrations with marketing platforms, and mentor other engineers in a dynamic environment.

The Unity Software Engineer at Fanatee develops and maintains game code, collaborates with teams, and solves complex problems daily.

Design, build, and maintain automated data-migration workflows and ETL routines from legacy dental software. Implement C#, .NET, and PowerShell automation, optimize performance, troubleshoot live routines, leverage AI copilots responsibly, and document tooling for smooth customer onboarding.

Lead the frontend development team, design solutions for complex scenarios, mentor engineers, and ensure reliable, scalable user-centric solutions for Wellhub's platform.

Design, develop, test, deploy, maintain and scale critical backend services for a high-availability, global wellness platform. Implement RESTful APIs, integrate third-party APIs, optimize SQL/NoSQL datastores, and drive architecture decisions to support millions of users while collaborating across distributed, multidisciplinary teams.

Design, build, and maintain responsive web applications using React and Angular. Translate UX into reusable UI components, ensure accessibility and cross-browser performance, integrate with REST APIs, write unit tests, participate in code reviews, troubleshoot UI issues, and drive continuous frontend improvements.

As a Senior JavaScript Software Engineer, you will design and build applications, optimize performance, collaborate with teams, and manage technical quality standards.

Seeking an experienced engineer to develop cloud-native microservices and enhance SaaS products, focusing on teamwork, communication, and innovative problem-solving.

The Software Engineer II will design and develop software solutions, leveraging accounting expertise to improve financial processes, under fast-paced conditions with team collaboration.

As a Software Engineer II, you will design, develop, and maintain product features while collaborating with team members and mentoring junior engineers.

The Senior Full-Stack Software Engineer will manage the full application lifecycle, develop features across backend and frontend, maintain AWS infrastructure, and improve code quality through testing and documentation.