Top Software Engineer Jobs in Sao Paulo

Build and operate high-throughput backend services for AI agent orchestration, calendar and scheduling, real-time data pipelines, APIs, and integrations. Design scalable platform infrastructure using Go, PostgreSQL, Kubernetes, and cloud services. Collaborate with AI, product, and frontend teams, contribute to infrastructure as code, testing, reliability, and documentation, and mentor junior engineers.

Provides technical leadership on complex, high-impact engineering projects from design through launch. The role involves architecture, company-wide initiatives, engineering excellence, mentoring technical leaders, and establishing standards for scalable, reliable, secure, observable systems. The engineer will collaborate across teams, communicate complex technical topics, and apply customer-focused decision-making and A/B testing techniques.

Build and ship backend features end-to-end using Ruby on Rails and SQL. Lead complex technical projects, solve architecture challenges, establish standards, conduct meaningful code reviews, resolve high-risk bugs, document systems, collaborate across engineering teams, and mentor junior engineers.

Design, deploy, and maintain high-throughput backend services for SMB customer acquisition. Build event-driven systems with Kafka, strengthen Salesforce, HubSpot, and Segment integrations, and improve observability, reliability, and scalability using Datadog and OpenTelemetry. Collaborate with Product, Marketing, Sales, and engineering teams, contribute to architecture and code reviews, mentor peers, and use AI-assisted tools to improve delivery and testing.

Build and support backend Python and Go services, APIs, and cybersecurity detection features. Translate researcher-developed detections into reliable production workflows, expose threat evidence for customer investigations, and ensure safe retries, tenant isolation, authorization, observability, and failure handling. Collaborate with Platform Engineering, Product, frontend engineers, and security researchers while contributing to design, testing, documentation, code reviews, production support, and performance improvements.

Lead migrations of legacy PHP applications to PHP 8.3+, assessing dependencies, resolving incompatibilities, upgrading frameworks, automating refactoring, implementing tests, and validating performance, security, and stability. The role also requires technical leadership, client communication, risk reporting, documentation, and knowledge transfer.

Develop scalable software applications and AI-driven solutions, research emerging AI tools, prototype innovations, and collaborate with stakeholders to improve workflows and products. The role involves applying machine learning concepts, LLMs, generative AI frameworks, data preprocessing, feature engineering, and model evaluation while promoting AI knowledge sharing across teams.

Develop and maintain high-volume, high-performance Python applications and RESTful APIs. Design reliable, secure, highly available backend services using AWS, improve API performance, write unit and integration tests, conduct code reviews, and collaborate with cross-functional Agile teams. The role also requires SaaS architecture knowledge, Salesforce experience, performance optimization, and strong communication skills in English.

Build and maintain interactive donation form features using vanilla JavaScript and Ruby on Rails. Develop Rails backend functionality with ActiveRecord, controllers, and ViewComponents; write SQL and optimize PostgreSQL queries. Create semantic HTML, CSS, and Hotwire interfaces, write automated Minitest tests, review code, document technical decisions, and independently drive well-scoped features from requirements through delivery.

Develop and maintain Housecall Pro’s Android applications, designing performant features and improving architecture, code quality, and user experience. Collaborate with product management in a data-driven environment, build A/B tests, resolve performance bottlenecks, and write automated tests. The role also involves architectural refactoring, maintaining engineering standards, deploying features, and exploring AI technologies to improve productivity and product quality.

Develop and deploy features for Housecall Pro’s core iOS applications. Responsibilities include improving performance and responsiveness, collaborating with product management, building A/B tests, fixing bugs, enforcing code quality, improving architecture, refactoring code, and writing automated tests. The role requires strong Swift and iOS development expertise, familiarity with Objective-C and modern iOS frameworks, app-store release experience, CI/CD knowledge, and a data-driven, collaborative approach.

Build and ship production software for marketing campaigns, lifecycle journeys, audience management, and customer segmentation. Develop and test APIs, maintain data synchronization pipelines, add targeting features, fix bugs, review code, and support production reliability. Collaborate with Product, Design, and engineering teams while gradually taking ownership of larger system components. The role involves full-stack development using C#/.NET, TypeScript/JavaScript, microservices, AWS, relational databases, and modern observability tools.

Build and ship healthcare software across the frontend, API, and database using React, TypeScript, Next.js, tRPC, Prisma, and related technologies. Own features end to end, prototype with AI tools, test with patients and care teams, and improve performance, accessibility, reliability, and scalability. Collaborate closely with company leadership in a fast-paced startup environment while developing trustworthy automation for healthcare delivery.

Build and ship healthcare software across the frontend, APIs, and databases. Own features end to end, write tested and maintainable code, prototype with patients and care teams, and use AI tools such as Cursor and Claude Code in daily development. Design scalable systems, improve performance, accessibility, and reliability, and contribute to trustworthy automation in a fast-paced startup environment.

Design, develop, test, and maintain full-stack web applications and backend services using PHP, Symfony, React.js, and JavaScript. Build and integrate REST APIs, work with SQL and MySQL databases, troubleshoot application issues, participate in technical design and code reviews, and improve performance, reliability, and maintainability. Collaborate with developers, technical leads, and QA engineers while contributing to estimations, planning, and modern CI/CD workflows.

Design, develop, test, and maintain full-stack web applications and backend services using React.js, JavaScript, Node.js, and TypeScript. Build APIs, integrate relational and non-relational databases, troubleshoot issues, review code, and improve application performance and reliability. Collaborate with technical teams, contribute to planning and estimations, follow software engineering best practices, and use modern CI/CD workflows and AI-assisted development tools.

Design, develop, test, and maintain full-stack web applications and backend services. Build responsive interfaces with React.js, Next.js, and JavaScript, while developing Python backend services and REST APIs. Work with PostgreSQL and SQL databases, troubleshoot issues, participate in code reviews and technical planning, and improve application performance and reliability. Collaborate with development and QA teams using modern workflows, CI/CD, and AI-assisted development tools.

Build and operate AI-native engineering workflows, agentic coding systems, evaluation frameworks, guardrails, and customer-facing AI products. Design distributed systems and LLM pipelines using TypeScript, Go, AWS, and related cloud technologies. Lead architecture, code reviews, reliability practices, and end-to-end project delivery while helping engineering teams adopt AI tools and workflows. Interview candidates, document best practices, and continuously evaluate advances in foundation models and AI development tools.

Build, ship, and maintain front-end and back-end software features for U.S. client teams. Responsibilities include writing tested and documented code, integrating APIs, databases, and third-party services, participating in code reviews and sprint planning, troubleshooting bugs, improving reliability, and collaborating with product, design, and QA. The role requires at least three years of professional development experience, proficiency in a modern software stack, English communication, U.S. business-hours overlap, and residence in Brazil.

Own and modernize a luxury travel company’s internal business systems, centered on Quickbase. Map data structures and workflows, build automations, integrations, dashboards, and internal tools, and apply AI to practical operational tasks. Maintain data integrity, security, auditability, and performance while collaborating with business stakeholders. The role requires strong database, API, programming, web development, automation, AI API, and independent remote-working skills, with significant overlap with Pacific Time.

Lead cross-organizational architectural strategy for distributed, high-volume systems and AI-enabled platforms. Define technical roadmaps, engineering policies, and systemic solutions across multiple teams. Drive complex initiatives involving event-driven architectures, data consistency, fault tolerance, real-time ML processing, and conversational AI. Mentor senior technical staff, align autonomous teams, resolve architectural conflicts, and translate ambiguous business goals into reliable execution plans. The role also emphasizes legacy modernization, cloud cost governance, and technical leadership at company scale.

Design, architect, test, and deliver full-stack applications focused on financial reporting and data visualization. Refactor and optimize existing systems using Agile practices. Collaborate with product managers and data engineering to extract, parse, and serve large-scale private asset analytics. Provide end-to-end ownership of backend and frontend components to ensure maintainability and performance.

Develop Java backend systems for financial benchmark calculation and pricing services. Build new features, implement business logic, analyze data, and support a 24/7 real-time distributed platform. Ensure reliable systems through testing, metrics, and alarms while collaborating with product and engineering teams. The role requires strong problem-solving, mathematical reasoning, attention to detail, and effective communication.

Design, build, and maintain crypto exchange, market-making, wallet, funding, tokenization, backend, and web application systems. Ensure software quality through testing and code reviews, troubleshoot incidents and bugs, and collaborate cross-functionally on scalable, low-latency, fault-tolerant financial infrastructure. On-call participation may be required for timely engineering initiatives.

Build full-stack interfaces and backend services for a manufacturing AI platform. Develop React and TypeScript visual components, AI interaction interfaces, and Golang/GraphQL APIs that let factory users customize product behavior. Collaborate with Product, Design, Data Science, and Engineering teams, while contributing to prototypes, hackathons, and research spikes. The role requires an AI-forward, experimental mindset and strong cross-functional communication.