Top Software Engineer Jobs in Sao Paulo

Build and iterate full-stack systems powering AI agents, from user-facing experiences through orchestration and deployment. Research agent orchestration, prompting, and model alignment approaches; collaborate with Product, Design, and Engineering to improve usability; document findings, share technical learnings, and participate in reviews and technical discussions.

Build and iterate on full-stack systems powering autonomous AI agents, from user-facing experiences through orchestration and deployment. Research agent orchestration, prompting, and model alignment approaches; collaborate with Product, Design, and Engineering to improve usability for nontechnical users; document findings, share knowledge, and participate in reviews and technical discussions.

Build and maintain scalable, high-quality full-stack applications for hotel customers worldwide. Collaborate with engineers, managers, and product leaders; write clean JavaScript code using modern front-end frameworks; contribute creative product ideas; mentor engineers; participate in code reviews; advise on technical decisions; and independently execute projects while maintaining strong operational excellence.

Build and maintain responsive, accessible web applications using JavaScript or TypeScript and modern front-end frameworks. Integrate APIs and authentication, write automated tests, troubleshoot production issues, and improve performance and reliability. Deploy, monitor, and operate applications on AWS while collaborating with Platform, Product, Design, Backend, QA, and Security teams. Contribute to CI/CD, secure development practices, code reviews, documentation, and production support.

Build and own React Native features for Kraken’s consumer mobile app, from product discovery through launch, measurement, and iteration. Partner with Product and Design to create responsive, trustworthy financial experiences using dynamic or real-time data. Guide development for a new Asian-market app, including regional UX, connectivity restrictions, vendors, and telemetry. Contribute to architecture, performance, reliability, code reviews, and product engineering standards.

Build and architect Alpaca’s high-performance algorithmic trading platform. Responsibilities include writing backend and frontend code, designing distributed and highly available systems, optimizing low-latency and high-throughput performance, and developing scalable databases, messaging systems, concurrency controls, and service-oriented architectures. The role also involves making critical platform decisions and potentially contributing to order and risk management, trading systems, observability, cloud infrastructure, and financial ledger capabilities.

Develop and maintain software for WEX Benefits solutions using C#, APIs, cloud infrastructure, microservices, event-driven architecture, and modern databases. Design, test, code, instrument, and support production systems with minimal supervision. Apply TDD and BDD, monitor system health, respond to incidents, identify performance improvements, and leverage AI-powered development tools. Mentor junior engineers, collaborate on architectural decisions, and promote maintainable, well-tested code and continuous engineering improvement.

Build production-quality software, automation frameworks, testing infrastructure, and developer tooling across APIs, services, distributed systems, and user interfaces. Integrate automated testing into CI/CD, improve reliability and observability, investigate complex defects, influence architecture and engineering standards, evaluate AI-assisted engineering tools, and mentor engineers across the organization.

Build and launch full-stack products that simplify waste-hauler operations. Translate ambiguous customer feedback into production solutions, work across frontend, backend, and data layers, use AI extensively for coding and architecture, and own projects from problem definition through launch and iteration. The role requires autonomous execution, strong engineering quality, and full professional English proficiency while working with a US-based CTO.

Own the architecture and delivery of customer-facing Rust backend services for trading, payments, and crypto experiences. Lead ambiguous, cross-team initiatives from concept through launch, shape product roadmaps, mentor engineers, review designs, and establish engineering standards. The role requires deep expertise in asynchronous Rust, distributed systems, RPC, Kafka, and event-driven architectures, plus an AI-first development approach and strong product engineering mindset.

Build and integrate LLM-powered software into enterprise systems. Design autonomous AI agents, tool-calling systems, and multi-step orchestration workflows using MCP or equivalent interfaces. Develop scalable backend architectures with REST/gRPC APIs, optimize context management, implement reliability patterns, and support systems from rapid prototyping through production. Collaborate in English with distributed teams during Central Time hours.

Design and build reliable, scalable backend services, search APIs, semantic and lexical search systems, and platform components serving millions of users. Collaborate with engineering, product, and QA teams to translate requirements into solutions, while improving observability, monitoring, alerting, and operational readiness. Support multi-region systems using CI/CD, infrastructure as code, containers, high availability, and disaster recovery practices.

Build front-end experiences and backend services for integrating prediction markets into MetaMask. Develop scalable APIs, real-time data feeds, transaction signing, and secure on-chain protocol integrations. Optimize performance, security, and high-volume transaction throughput across mobile, web, and browser clients while collaborating within an agile, distributed engineering team.

Design, develop, and maintain reliable C# applications across backend services and client applications. Translate business requirements into technical solutions, build scalable cloud-native systems, troubleshoot performance issues and defects, and contribute throughout the software development lifecycle. Collaborate with cross-functional teams to maintain code quality, automation, responsiveness, and architectural consistency.

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.

Build and maintain scalable backend services for accounts payable and analytics products. Design idempotent, event-driven pipelines using queues and event buses, write Go and SQL code, and ensure reliability through testing, observability, metrics, and alerting. Collaborate with Product and Operations teams to deliver financial transaction features, troubleshoot issues, and improve engineering practices. The role is fully remote for candidates eligible to work in Brazil.

Lead the technical direction of an AI agent product, designing conversational AI, RAG pipelines, agent architectures, LLM evaluation, prompt management, monitoring, and observability. Develop proprietary machine learning models, productionize them with feedback loops, identify new AI use cases, and provide technical guidance across product teams. This hands-on role involves writing code regularly and partnering closely with Product in a remote Brazil-based environment.

Build and ship AI product features for Alti, including conversational AI, agents, automated routines, RAG pipelines, prompt strategies, and LLM evaluation systems. Establish monitoring and observability for AI features, help deploy ML models to production, and create continuous feedback loops. Collaborate with Product and Design to solve customer problems using AI and strengthen the team’s ML delivery practices.

Design and build reservation, scheduling, resource-management, payment, refund, and accounting systems. Modernize a large production codebase while creating a new platform from scratch using TypeScript, Express, React, and Next.js. Make architectural decisions, model complex business workflows, and work with significant ownership in a small engineering team.

Build and maintain scalable full-stack systems for an AI-powered sales intelligence platform. Responsibilities include developing customer-facing Vue interfaces, PHP/Laravel backend services and data-processing jobs, integrating external data providers, optimizing MySQL schemas and queries, collaborating on AI workflows, and improving system reliability, deployment, monitoring, and performance at scale.

Develops and configures OpenText Exstream applications throughout the software lifecycle. Responsibilities include translating requirements into solutions, data mapping, document and component design, testing, debugging, integration, deployment, maintenance, release and configuration management, and client-facing technical support. The role collaborates with Scrum teams, supports production applications, resolves issues, monitors systems, and performs Exstream upgrades in Linux or Unix environments.

Build high-impact full-stack features and reusable services for marketing, signup, KYC, onboarding, and funding experiences across web and mobile. Collaborate with product, design, data, and infrastructure teams to improve activation, retention, and monetization. Design scalable distributed systems, participate in architecture discussions, measure results through experimentation, and maintain strong performance, reliability, and security standards in a globally distributed environment.

Staff Product Engineer who owns initiatives end to end, from problem framing and architecture through AI-assisted implementation, production rollout, observability, and post-launch metrics. Partners closely with product managers, designers, and engineering peers while maintaining high standards for quality, security, performance, and customer experience. Builds effective AI-agent workflows, makes autonomous technical decisions, and delivers measurable outcomes in a live marketplace.

Lead mobile quality strategy and scalable automation for native iOS and Android applications. Define testing, device coverage, CI/CD, release, debugging, observability, and AI-assisted testing practices. Partner with Engineering and Product to resolve complex mobile issues, establish measurable quality standards, improve QA methodologies, and mentor QA engineers.

Leads AI-assisted and agentic testing adoption across engineering teams, designing MCP-based workflows, automated test strategies, validation standards, and machine-readable test cases. Establishes QA methodologies, evaluates emerging testing technologies, measures AI ROI, performs root-cause analysis, and partners with Product, Engineering, Platform, and MLOps teams. Mentors engineers, improves automation and coverage, and communicates quality risks and outcomes to stakeholders.