Top Software Engineer Jobs in Brazil

Lead the design and delivery of Sezzle's authentication and authorization platform: architect API auth gateway and identity services, drive zero-downtime migrations, enforce OAuth2/OIDC/SAML/JWT standards, ensure fintech-grade security and observability, own on-call and incident response, mentor engineers, and collaborate cross-functionally to translate business goals into a secure, high-performance auth platform.

Lead the design, architecture, and migration of Sezzle's authentication and authorization platform. Build scalable API gateway and identity services in Golang, ensure fintech-grade security and observability, drive zero-downtime migrations, participate in on-call/incident response, and mentor engineers while collaborating cross-functionally to deliver auth capabilities.

Design, implement, and maintain scalable SaaS features using C#/.NET. Lead architecture, mentor engineers, conduct code reviews, resolve performance and reliability issues, author tests and spec-driven designs, and integrate AI-assisted coding agents while ensuring security and maintainability.

Lead architecture and reliability for a high-scale alerting pipeline: evaluate rule- and ML-based detections, ensure end-to-end delivery and idempotency, correlate diverse telemetry into topologies for LLM-driven reasoning, mentor engineers, and drive org-level technical decisions.

Design, build, and maintain scalable backend services, React frontends, and cloud-native platform components (Azure, Docker, Kubernetes). Contribute to CI/CD (GitLab), data integration, automated testing, architecture, and mentoring while supporting DevOps, platform engineering, and AI-assisted development for a healthcare customer data platform.

Build cloud-native, AI-first enterprise software using Java and Python on Azure. Design and implement microservices and REST APIs, leverage Azure Databricks/Spark/Delta Lake, containerize with Docker and Kubernetes, apply CI/CD and DevOps, automate engineering workflows with AI, collaborate with cross-functional teams, and mentor junior engineers.

Design and run performance, workload, and scalability tests; prepare test data (SQL, Java, JMeter); monitor and collect resource utilization and performance metrics.

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.

Design, build, and operate secure, high-performance cloud-native services using Python and AWS. Own full SDLC, apply TDD, mentor engineers, use microservices (containerized and serverless), and work with relational and NoSQL databases. Promote secure coding, automation, monitoring, and responsible AI-assisted development.

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 Software Developer, you'll build and maintain core features, work across the stack, collaborate on solutions, and contribute to technical decisions, ensuring excellent customer experience.

Lead the Jasper R&D team in resolving complex engineering challenges, providing technical leadership, and mentoring junior developers while developing software primarily in C++ and scripting languages.

Design, build, and operate cloud microservices managing distributed network devices. Model device-to-cloud communication (MQTT), use message queues for telemetry and commands, and maintain services backed by PostgreSQL and RabbitMQ. Lead code reviews, own architecture, mentor engineers, participate in incident response and drive process improvements with emphasis on quality, security, performance, and reliability.

Design, build, and operate cloud microservices for managing distributed network devices. Plan and document technical solutions, model device-to-cloud communication (MQTT), work with message queues and PostgreSQL-backed services, lead code reviews, own architecture, participate in incident response, and mentor engineers to ensure quality, security, and reliability at scale.

Develop and maintain embedded Nodegrid OS software (Yocto-based Linux) using C/C++/Python/NodeJS/Bash; implement and test network protocols and services; write feature specs; maintain third-party OSS; create automated tests; improve tooling and workflows; mentor junior engineers; collaborate with QA, support, and Scrum teams.

Develop and maintain embedded Nodegrid OS software (Yocto-based Linux) in C/C++, Python, JavaScript and Bash; design and debug network protocols and services; write automated tests; maintain third-party packages; produce feature specs; improve dev tooling and workflows; mentor junior engineers; collaborate with QA, support, and cross-functional teams.

Design, build, and maintain scalable backend services using Node.js and TypeScript. Develop and maintain REST/GraphQL APIs, integrate with PostgreSQL or MongoDB via ORMs (Prisma/Sequelize), ensure data accuracy and reliability, improve code quality and performance, and collaborate with product and engineering teams.

Configure and implement client data delivery solutions within a DaaS platform. Build and maintain data workflows and database integrations, analyze requirements, validate and support dataset deliveries, troubleshoot production issues, and collaborate with technical and project teams to ensure quality and compliance.

As a Senior Software Engineer, you will develop backend services and APIs, collaborate with teams, and ensure software quality and simplicity while mentoring others.

As a Senior Backend Software Engineer, you'll design and maintain scalable systems for Credit Unions, enhancing the Digital Account Opening platform while collaborating with cross-functional teams.

Develop product features end-to-end, improve developer productivity, and collaborate with a distributed team while working autonomously in a documentation-first culture.

Develop, test, debug and release embedded real-time locomotive control software. Maintain existing products, perform root cause analysis, support factory/customer on-site testing, implement cybersecurity practices (SAST/DAST/CVE resolution), and collaborate with cross-functional engineering teams.

Senior software engineer building cloud-native, AI-first enterprise applications. Own end-to-end microservices, use Azure Databricks/Spark/Delta Lake, automate engineering workflows with AI, mentor teams, and collaborate across product, QA, and DevOps.

Lead backend production engineering while designing and maintaining TypeScript + Playwright test automation frameworks. Author functional, integration, and API tests; integrate suites into CI/CD pipelines; debug failing builds and perform root-cause analysis. Contribute production code in Java or Kotlin and collaborate remotely with EST-aligned distributed Agile teams to improve platform reliability and engineering efficiency.