Top Software Engineer Jobs in Sao Paulo

The Senior Software Engineer will design and develop full-stack applications using React, Node.js, and TypeScript, collaborate with cross-functional teams, optimize applications, and mentor junior developers.

As a Senior Software Developer, you will manage the software development lifecycle, solve platform issues, and lead design reviews to create efficient, high-quality solutions.

Design, develop, and maintain shared platform components across UI, backend services, and APIs. Write clean, testable code, debug complex issues, participate in design and code reviews, collaborate with QA and Product, support secure development practices, improve platform performance and tooling, and handle customer escalations.

As a Data Engineering Architect, lead the transformation of data engineering into a modern platform, oversee architecture and technical leadership, design scalable systems, ensure data quality and governance, and mentor teams for a data-driven culture.

Lead architecture and evolution of Juniper Square’s distributed services, cloud infrastructure, and developer platform. Design scalable, multi-tenant, event-driven systems; build paved-road developer tooling, CI/CD, and observability. Hands-on coding, prototyping, and performance troubleshooting. Enable production AI/LLM workloads, ensure security/compliance, support enterprise upmarket needs, and mentor engineering teams to raise operational excellence and reliability.

The Principal Software Engineer will architect backend services and APIs, lead AI initiatives, mentor teams, and enhance developer productivity at Sezzle.

Design and implement real-time telemetry pipelines and control logic integrating datacenter IT and OT systems. Build fault-tolerant data ingest, protocol translation, and safety-critical control systems handling high-frequency time-series data. Own projects end-to-end, shape architecture, and collaborate across teams to translate operational constraints into scalable production software.

Lead architecture and technical direction across the full stack, solve ambiguous cross-cutting problems, deploy LLM-powered features into production, improve reliability and scale, mentor engineers, and make strategic build/buy and platform decisions that shape long-term product delivery.

The Senior Software Engineer, Backend will optimize applications, improve technical standards, code quality, and lead projects while mentoring team members.

As a Senior Elixir Engineer, you'll develop robust systems, collaborate with cross-functional teams, and contribute to technical decisions in the consumer experience platform.

The role involves developing OSS/BSS automation solutions, integrating APIs, and utilizing technologies like Apache Kafka to enhance telecom networks and data processes.

The Senior Software Engineer will focus on building maintainable AI-enabled software, improving engineering practices, and integrating AI tools into workflows. Responsibilities include collaborating with client teams, enhancing productivity through AI, and participating in architectural decision-making.

As a Junior Software Engineer, you will collaborate with senior engineers to design and maintain backend systems, contribute to feature development, and learn new technologies.

As a Senior Software Engineer, you will develop core data pipeline components for an AI-native data warehouse, oversee feature delivery, and ensure data quality and reliability.

Design, build, and operate production AI systems, enhance backend services, improve reliability, and collaborate on technical projects within the AI-native engineering team.

As a Staff Software Engineer, you'll design and deliver a core data platform, focusing on architecture, pipeline components, and AI integration. This hands-on role emphasizes creating production code and establishing technical standards within a small team.

As a Staff Software Engineer at Juniper Square, you'll lead architectural decisions and develop AI-powered systems, mentoring engineers and ensuring high-quality technical standards while collaborating with cross-functional teams.

Design, develop, and maintain backend systems with ASP.NET/C#, optimize SQL Server databases and queries, build mobile features using .NET MAUI, use Azure DevOps for CI/CD, debug performance/system issues, and collaborate across teams to ensure code quality and maintainability.

As a Junior Software Engineer, you will design, develop, and document software solutions, leveraging accounting knowledge to enhance automation in fintech.

The Senior Software Engineer will design and develop software solutions for financial reporting and automation, mentor team members, and ensure compliance with standards.

The Principal Software Engineer will design, develop, and deliver backend services, mentor team members, and drive AI integration across the organization, leveraging extensive experience in software engineering.

Design, implement, and scale robust Rust services and libraries for trading, payments, and crypto. Build low-latency distributed systems using RPC, Kafka, and event-driven patterns. Write testable, high-performance asynchronous network code, debug across OS/network/application stacks, own systems end-to-end, and mentor other engineers while collaborating with product teams.

As a Senior Staff Software Engineer, you will design, build, and maintain software for public safety platforms using a cloud-native technology stack, focusing on both backend and frontend development with an emphasis on serverless architectures.

The Principal Software Engineer will lead a team of engineers, write production code, guide architectural decisions, and contribute to hiring in a public safety tech environment.

Own end-to-end design, architecture, build, test, deploy, and monitoring of highly available full‑stack web platforms. Maintain CI/CD pipelines, optimize relational databases, mentor engineers, handle on‑call incidents, and align technical stakeholders.