Top Software Engineer Jobs in Rio de Janeiro

Develop and maintain scalable, reliable software across the full lifecycle, from design and development through testing, deployment, production support, and maintenance. Collaborate cross-functionally, participate in Agile ceremonies, conduct code and design reviews, improve engineering practices, troubleshoot incidents, create postmortems, and mentor software engineers. The role involves evolving architecture, ensuring delivery quality, and addressing challenges involving scale, resilience, and fault tolerance.

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.

Design, develop, scale, and operate centralized authentication and authorization platforms handling millions of daily requests. The role focuses on resilient, low-latency security systems, secure APIs, full software lifecycle ownership, incident response, observability, code quality, architecture, cross-functional collaboration, and mentoring. Candidates need strong IAM expertise, software engineering skills, scalable architecture experience, and fluency in Portuguese with advanced English.

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.

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.

Build and ship AI platform features, including agent tool systems, prompt pipelines, integrations, orchestration, and edge-deployed services. Develop reliable LLM-powered applications using TypeScript, Cloudflare Workers, Durable Objects, databases, and AI SDKs. Own features from design through production monitoring, contribute to architecture and technical decisions, mentor engineers, and collaborate with Product, Design, Data Science, and other engineering teams.

Build and maintain end-to-end RCM web products and infrastructure supporting thousands of practices. Work across frontend and backend, scale web infrastructure, ensure seamless UX, collaborate in a fast-paced team, and deliver production-quality features using the stated tech stack.

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.

Design and implement scalable backend microservices and conversational UIs for chat-driven remittances. Build frontend (web and mobile) features, manage cloud infrastructure (GCP/Kubernetes/Terraform), mentor junior engineers, iterate using analytics and customer feedback, and ensure high-performance real-time messaging at scale.

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.

Build reusable automation frameworks, integrate test suites into CI/CD pipelines, improve legacy code testability, develop automated feature scenarios, diagnose failures through root cause analysis, and add targeted unit and integration coverage. The role requires strong TypeScript skills across front-end and back-end systems, cloud experience, web automation expertise, and the ability to work with microservices and existing application codebases.

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, architect, test, and deliver full-stack applications focused on financial reporting and data visualization. Refactor and optimize existing systems using Agile practices. Collaborate with product managers and data engineering to extract, parse, and serve large-scale private asset analytics. Provide end-to-end ownership of backend and frontend components to ensure maintainability and performance.

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.

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 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.