Top Software Engineer Jobs in Sao Paulo

Develop and maintain scalable, reliable software across the full lifecycle, from architecture and development through testing, deployment, production support, and maintenance. Collaborate cross-functionally, participate in Agile ceremonies, conduct code and design reviews, troubleshoot incidents, improve observability and delivery quality, and mentor software engineers. The role requires strong engineering fundamentals, API and database expertise, architectural experience, and Portuguese and English fluency.

Staff Software Engineer serving as a senior technical anchor for complex, large-scale platforms. Responsibilities include setting architectural strategy, designing distributed systems, driving engineering standards, resolving cross-team technical challenges, mentoring senior engineers, influencing roadmaps, and leading technical hiring assessments. The role requires expertise in high-concurrency systems, data consistency, fault tolerance, system optimization, and technical trade-offs, plus fluency in Portuguese and excellent English.

Lead architecture and end-to-end delivery of scalable software systems, from design and implementation through deployment and monitoring. Collaborate with product, design, and engineering partners; establish technical standards; improve reliability, performance, security, and maintainability; mentor engineers; and guide AI tool adoption. The role requires strong software engineering fundamentals, architectural judgment, independent execution, English fluency, and willingness to learn Ruby.

Leads software development projects, architects complex solutions, mentors developers, optimizes systems, and develops APIs including AI integrations. Builds modular, testable software, validates AI-generated code, participates in requirements and technical reviews, and collaborates with cross-functional teams. The role requires strong .NET/C#, React, cloud deployment, CI/CD, testing, system design, API contracts, observability, and compliance-sensitive development experience.

Develop, test, and maintain software applications using .NET/C#, React, Python, AWS, databases, APIs, and AI coding tools. Collaborate with stakeholders and cross-functional teams to clarify requirements, design solutions, conduct reviews, and perform unit and integration testing. Ensure code quality, security, performance, maintainability, backward compatibility, observability, and compliance with documented change controls in regulated environments.

Design and implement robust Rust services and foundational libraries for Kraken’s core infrastructure. Build scalable, observable, secure, and fault-tolerant distributed systems supporting trading and internal platforms. Collaborate on architecture, debug issues across the operating system, network, and application stack, and take end-to-end ownership of long-lived systems and libraries.

Develop and deploy software solutions as part of the full software development lifecycle. Responsibilities include writing and documenting code, building features, evaluating tools and processes, supporting software systems, and ensuring compliance with technical standards. The role involves frontend and backend development, API work, relational databases, automated testing, cloud infrastructure, and leveraging AI tools such as Claude.

Develop and document software solutions across the software development lifecycle. Build features, write high-quality code, evaluate and deploy development tools and processes, support software-system usage, and ensure compliance with technical standards. The role involves frontend SPA and backend API development, relational databases, automated testing, release processes, and leveraging large language model tools to improve productivity.

Provides technical leadership and consulting for client development teams, improving SDLC practices through generative AI, AI coding, and software modernization. Responsibilities include architecture, distributed application development, AI solution implementation, platform evolution, mentoring, automation, and evaluation of productivity and quality outcomes. Requires strong software development experience, knowledge of LLMs, prompt engineering, AI agents, RAG, cloud platforms, DevOps, APIs, databases, and advanced English communication skills.

The Software Engineer II will design and develop software solutions, leveraging accounting expertise to improve financial processes, under fast-paced conditions with team collaboration.

As a Software Engineer II, you will design, develop, and maintain product features while collaborating with team members and mentoring junior engineers.

Own and improve the Command|Alert alerting platform, including rule evaluation, anomaly detection, event correlation, reliable Kafka and OpenSearch pipelines, and downstream notifications. Convert security and network telemetry into usable topologies and dependency maps, support LLM-based alert generation, resolve production issues, lead reliability improvements, deliver independent projects, and mentor engineers while shaping technical direction.

Design, build, and optimize Java-based backend microservices and RESTful APIs. Integrate relational and NoSQL databases, implement ORMs, write automated tests, improve CI/CD pipelines, ensure security and performance, and use generative AI tools to accelerate development and documentation in agile teams.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

As a Senior Front-End Software Engineer, you'll design and implement services, contributing to the architecture and product strategy in a fast-paced environment.

As a Back-End Software Engineer, you'll design, implement, and scale a serverless telehealth platform using various technologies while working closely with the product team.

The role involves designing, building, and implementing new services, working closely with the product team, and taking ownership of projects from 0 to 1.

Design, develop, and maintain scalable backend systems for GenAI products. Collaborate with teams to enhance infrastructure and drive innovations.

The Software Engineer will design, develop, and maintain backend systems for GenAI applications, ensuring high performance and reliability while collaborating with cross-functional teams.

Participate in all phases of the software development lifecycle using Agile. Translate business requirements into BRDs, design, develop, and maintain .NET applications, debug defects, execute unit/integration/system testing, collaborate cross-functionally, and produce technical documentation and test plans.

As a Senior Full-Stack C#/.NET Engineer, you will fork and set up existing applications, implement architectural adjustments, and ensure deployment in Azure. The role requires close collaboration with stakeholders and troubleshooting legacy code.

Own end-to-end partner and customer integrations: qualify requests, design and build connectors, implement data mappings and webhooks, ensure idempotency and observability, coordinate with partner teams, and deliver runbooks and handoffs. Feed integration patterns back into the platform to increase reuse and reliability.

Early-career engineer role building AI-driven features, prototypes, and production-quality systems using modern AI coding agents. Work closely with founders and senior engineers to iterate fast, direct and evaluate AI agents, and contribute to AI infrastructure and agentic development workflows.

Backend-focused full-stack engineer building scalable, data-driven applications, APIs, integrations, and data pipelines. Work includes cloud-hosted services, containerized deployments, frontend work with modern frameworks, and contributing to AI-powered features, architecture, and cross-team delivery.

Own backend APIs, data pipelines, Elasticsearch infrastructure, AWS platform operations, CI/CD, observability, and data-quality tooling. Build scalable enrichment, search, ETL, metering, and billing systems while contributing to a React/TypeScript application. The role requires production ownership, incident response, infrastructure modernization, and strong AI-assisted and agentic development skills.