Top Software Engineer Jobs in Rio de Janeiro

Build and maintain high-quality React Native mobile applications for Krak. Own feature delivery from technical design through release and iteration, create performant and maintainable UI components, write tested code, participate in reviews and design discussions, and collaborate with product, design, frontend, and Rust backend engineers. Contribute to shared components, tooling, code quality, and reliable consumer financial experiences.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Develop and maintain scalable automated test frameworks for front-end, backend, GraphQL APIs, ETL workflows, microservices, and React applications. Create test plans, Jira tasks, anomaly detection libraries, and QA reports while refactoring Python code. Collaborate with engineering teams and stakeholders on SQA strategy, platform development, and technical presentations.

Build and evolve large-scale, resilient front-end commerce applications used across thousands of stores. Lead architecture, testing, performance, accessibility, and product delivery with product managers and designers. Serve as a technical reference, mentor engineers, participate in hiring, and use AI responsibly to improve development speed and quality. The role requires advanced English and Portuguese and is remote within Brazil.

Design and build high-scale, mission-critical backend systems for VTEX’s Order Management and Order Allocation platform. Develop agent-based workflows that customize order processing, routing, and fulfillment. Solve complex distributed-systems and platform-architecture problems, collaborate with stakeholders and leadership, provide technical guidance, and contribute to AI-driven orchestration initiatives.

Develop and evolve scalable backend systems for global, multi-tenant SaaS products. Provide technical guidance, establish engineering direction, improve product scalability, and address customer and market needs. Collaborate cross-functionally, work with multiple programming languages—primarily C#—and use AI, LLMs, automation, and development tools responsibly to improve workflow quality and speed.

Own and evolve VTEX’s shared compute platform, migrating workloads from AWS Elastic Beanstalk to EKS while maintaining reliability and zero downtime. Design scalable networking and load-balancing components, operate production infrastructure, participate in on-call rotations, and improve GitOps and infrastructure-as-code practices. Collaborate with multiple product and platform teams as a technical focal point for critical infrastructure.

Evolve VTEX’s custom .NET routing layer toward a modern service mesh such as Istio. Design and operate highly available, low-latency network infrastructure supporting millions of requests per second, including ingress, DNS, CDN, and service mesh components. Apply distributed-systems and service-design principles, troubleshoot critical systems, use AI thoughtfully, mentor engineers, document technical decisions, and participate in hiring.

Lead the architecture and technical direction of Alpaca’s margin and risk systems across equities, options, crypto, and future asset classes. Design low-latency, high-throughput services for margin calculation, real-time risk enforcement, exposure limits, margin calls, and operational workflows. Drive reliability, correctness, transactional integrity, observability, incident prevention, technical reviews, mentorship, and cross-functional integration with product, brokerage operations, compliance, and engineering teams.

Owns full-stack features end-to-end, from design through production, while influencing architecture and system reliability. Collaborates with product and design, works across backend logic, database design, and frontend UX, and uses AI coding tools to accelerate delivery. The role also involves mentoring teammates, reviewing code, and contributing to distributed systems and scalable SaaS architecture.

Build full-stack, AI-first compliance platforms using Golang and React. Design scalable, event-driven services, integrate third-party vendors, ensure observability and reliability, mentor engineers, and lead architecture and cross-functional delivery for CX compliance tools.

As a Software Engineer, you'll develop digital experiences, collaborate with teams, and maintain documentation while using modern web technologies.

Own Aleph’s shared AI foundation, including model selection and routing, proxy infrastructure, context management, tool design, and evaluation systems. Ship production agentic features using prompt engineering, caching, parallel tool calls, and subagents. Build observability for agent performance, collaborate with customers and finance experts to define quality standards, and drive adoption of reliable AI systems across product teams.

Own major product surfaces across Aleph’s FP&A platform, leading features from customer discovery through launch and iteration. Build performant spreadsheet-grade interfaces over large financial datasets, design robust data models and APIs, develop AI-native features involving orchestration, tool calls, and retrieval, and improve engineering standards through high-quality code and reviews. The role requires strong full-stack fundamentals, customer engagement, technical leadership, pragmatism, and experience building complex B2B products.

Build and ship high-quality React Native mobile experiences for Kraken’s consumer financial products. Own features end-to-end, from problem discovery and technical design through implementation, launch, measurement, and iteration. Collaborate closely with Product and Design, work with APIs and real-time data, optimize performance and reliability, and contribute to architecture, code reviews, technical discussions, and product strategy.

Design, build, and maintain full-stack web applications using React, Node.js, C#, and Python. Develop scalable APIs and backend services, work with relational and NoSQL databases, and deploy cloud-native AWS solutions using serverless and event-driven patterns. Create automated tests, manage infrastructure as code, contribute to CI/CD workflows, optimize reliability, promote scalable architecture, and mentor team members.

Design, build, deploy, monitor, and evolve full-stack software products for corporate teams. Responsibilities include backend services, user-facing applications, database design, REST APIs, third-party integrations, observability, automation, architecture, and collaboration with non-technical stakeholders. The role also involves software engineering best practices, cloud platforms, CI/CD, containers, and potentially mentoring engineers.

Own architectural strategy and technical roadmaps for complex, mission-critical platforms. Design scalable distributed systems, resolve cross-team technical challenges, establish engineering standards, evaluate trade-offs, mentor senior engineers, influence organizational decisions, and lead technical interviews. The role requires expertise in high-concurrency systems, data consistency, fault tolerance, system optimization, and cross-team technical leadership.

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, troubleshoot incidents, improve observability and architecture, strengthen engineering practices, and mentor software engineers. The role requires expertise in software architecture, RESTful APIs, databases, monitoring, testing, and deployment automation.

Develop and maintain scalable, reliable software across the full lifecycle, including architecture, development, testing, deployment, monitoring, incident response, and maintenance. Collaborate with cross-functional teams, participate in Agile ceremonies, conduct code and design reviews, improve engineering practices, troubleshoot production issues, and mentor software engineers. The role emphasizes high-quality delivery, observability, resilience, and continuous improvement.

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.

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.

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.