Top Software Engineer Jobs in Brazil

Own end-to-end architecture and roadmap for a network monitoring product: API and UI, topology and dependency modeling, discovery/onboarding, alert history screens, data contracts with telemetry/classification services, performance-focused topology visualizations, cross-team technical leadership, and mentoring.

Build and scale the internal developer platform: create tools, services and automation (CI/CD, canaries, feature flags, access workflows) using IaC (Pulumi/Python) and Kubernetes to enable safe, fast shipping. Drive platform initiatives, mentor teams, lead AI tool adoption for engineering, participate in on-call and design/code reviews, and ship major improvements across the organization.

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

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.

Work on automated and exploratory testing for OTT apps across native mobile, web, and connected TV. Design and execute test plans, report defects with risk assessments, lead testing activities, and run regression cycles within Agile iterations to ensure content streams and metadata function correctly.

Design, build, and maintain test automation frameworks, infrastructure, and tooling for backend and web applications. Lead generative AI and synthetic data testing strategies, migrate legacy frameworks to self-healing AI-driven systems, prototype agentic tooling, mentor junior SDETs, and collaborate with platform and product teams to improve testability and system reliability.

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.

Lead decomposition of a PHP monolith into Go microservices, design and operate scalable distributed systems (Kafka, Temporal, OpenSearch, Memgraph), integrate network telemetry and third-party APIs, maintain Terraform-managed cloud infrastructure, enforce SLAs/SLOs and CI/CD quality, mentor engineers, participate in on-call rotations, and drive platform architecture and reliability.

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.

The role involves developing full-stack applications for mental healthcare, utilizing TypeScript, Node.js, React, and AI tools. Candidates will own features end-to-end and collaborate with teams to enhance user experience and system performance.

As a Senior Software Engineer, you'll develop full-stack applications, design backend services, improve system performance, and utilize AI tools in a healthcare-focused team.

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

The Lead Software Engineer designs and implements compiler optimizations for Xtensa processors, collaborates with hardware teams, and mentors junior engineers.

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

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.

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, 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.

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.

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.

Lead and build a cross-office modelling software squad in São Paulo, writing and reviewing production Python code, co-designing module boundaries, delivering features, migrating legacy optimisation code, managing delivery cadence, hiring and line-managing local engineers, and embedding AI-assisted engineering practices into the development workflow.

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.