Top Software Engineer Jobs in Rio de Janeiro

Build and maintain backend and full-stack analytics products, including Apache Superset, notebooks, AI for Data Chat, and data-platform integrations. Contribute to Apache Superset open source development, release management, reliability, observability, testing, and architecture improvements. Collaborate with data-platform teams, product managers, open-source contributors, and users to deliver features, migrations, and rollout plans. Participate in lightweight on-call support.

Staff Product Software Engineer responsible for shaping, architecting, implementing, testing, deploying, and measuring product initiatives end to end. The role partners closely with product managers and designers, uses AI coding agents extensively, owns technical decisions and production quality, and evaluates post-launch business outcomes. Responsibilities include architecture, data modeling, rollout planning, observability, security, testing, agent workflows, documentation, and cross-functional collaboration.

Design, architect, test, and deliver end-to-end full-stack applications using Python/Flask backends and React frontends. Refactor and optimize systems, work with product and data engineering to extract, parse, and serve large-scale financial analytics and visualizations.

Design, develop, and enhance Java backend applications and Quarkus microservices while contributing to Angular frontend solutions. Build resilient, event-driven systems using AWS services, implement observability, participate in architecture and code reviews, and improve engineering productivity with automation and AI-assisted tools. Collaborate with cross-functional teams in an Agile/Scrum environment.

Develop and maintain production Elixir applications, collaborate on product features, write tested and maintainable code, participate in reviews, investigate bugs, improve reliability and performance, and contribute to technical discussions. The role requires full-time availability for a six-month-plus contract in Latin America and effective English communication.

Design and build reliable, scalable backend APIs and microservices for large-scale SaaS products. Collaborate with Product, Design, and QA teams on end-to-end solutions, participate in roadmap and architecture discussions, and apply automated testing, code reviews, monitoring, and Agile practices. Assess feature impact, manage risks, improve maintainability, and contribute to high-quality systems that support studio partners and end users.

Build and scale reliable backend APIs and microservices for a large-scale SaaS platform. The role includes collaborating with Product, Design, and QA; applying automated testing, code reviews, monitoring, and Agile practices; contributing to architecture, roadmap planning, and design discussions; and designing maintainable systems using Java, Kotlin, Python, SQL, New Relic, and Kibana.

Build and maintain JVM-based client libraries and services for Airbnb’s experimentation, feature flagging, and product configuration platforms. Lead cross-team migrations, improve performance, reliability, testability, and API compatibility, and develop allocation and targeting capabilities with data science partners. Work across the stack, including Python services, participate in on-call, and use AI-assisted development tools for migrations, testing, and refactoring.

Staff Software Engineer responsible for designing and delivering highly scalable, resilient distributed systems supporting high-concurrency workloads, conversational AI, microservices orchestration, and real-time machine learning. The role requires technical leadership, architecture expertise, engineering trade-off analysis, collaboration, and inclusive culture building. Candidates should have 10+ years of software development experience, strong distributed systems knowledge, and fluency in Portuguese and English. Experience with LLMs, multi-agent systems, data pipelines, FinOps, or monolith modernization is advantageous.

Build and ship large product initiatives for financial advisors and clients. Responsibilities include owning the end-to-end development lifecycle, writing production-ready and maintainable code, and collaborating with product, design, and business teams. The role requires full-stack web development expertise, knowledge of authentication, authorization, caching, background processing, API design, and SQL databases. Fintech experience and familiarity with modern development, CI/CD, infrastructure, and observability tools are preferred.

Design, develop, and maintain scalable, resilient microservices supporting high-volume traffic and low-latency AI experiences. Own the full software lifecycle, including architecture, development, testing, production operations, observability, and post-mortems. Contribute to REST APIs, distributed systems, databases, integrations, and AI/LLM capabilities while participating in code and design reviews. Mentor junior and mid-level engineers and promote high-quality engineering practices.

Lead a team building Felix’s internal developer platform and tooling. Design and develop Go-based integrations, services, CLIs, and automation running on Kubernetes and GCP. Own the developer product roadmap, improve reliability and observability, mentor engineers, establish technical standards, and collaborate with product and engineering leadership to deliver secure, scalable, self-service development experiences.

Lead an SRE developer-platform team building internal tools, services, CLIs, automation, and integrations in Go. Own the platform roadmap, improve developer productivity, mentor engineers, and establish technical direction. Design and operate reliable, observable, secure cloud-native systems on Kubernetes and GCP while driving engineering excellence, documentation, and cross-functional alignment.

Design, develop, and operate scalable authentication and authorization platforms handling millions of daily requests. Own IAM products across the full software lifecycle, address resilience and latency challenges, collaborate with engineering and security teams, monitor production systems, respond to incidents, conduct reviews, improve quality, and mentor engineers.

Lead quality engineering for Airbnb’s platform by developing full-stack test automation across unit, service, integration, and end-to-end testing. Build and improve automation frameworks, integrate tests into CI/CD pipelines, troubleshoot defects, and collaborate with engineering, product, and QE teams. Apply AI and tooling to improve test coverage, quality signals, developer productivity, and release efficiency.

Design, implement, and scale Rust services and libraries for trading, payments, and crypto. Build reliable, high-performance distributed systems, collaborate on architecture, write testable async network code, and own production systems end-to-end.

Build and maintain Clara’s QA automation platform, including Playwright frameworks, backend APIs, fullstack internal tools, test reporting, CI/CD pipelines, and integrations. Develop reliable, reusable automation infrastructure, reduce test flakiness, support AI-assisted test generation, and collaborate with QA and product engineering teams on testability, code quality, documentation, and adoption.

Build and operate Kraken’s internal AI Gateway, integrating LLM providers and implementing routing, budgets, rate limits, APIs, SDKs, access controls, key management, audit logging, and usage observability. Own platform features from design through production, support internal engineering teams, collaborate with Security and SRE, and contribute to documentation, code reviews, and engineering practices.

Design and build scalable SaaS tools for internal implementation teams and customers. Develop APIs, services, integrations, and web applications using C#, .NET, ASP.NET MVC, and Blazor. Optimize systems handling datasets exceeding 100 million records, diagnose performance bottlenecks, and make architectural decisions. Use AI coding assistants responsibly, mentor engineers, conduct code reviews, and deliver maintainable, reliable solutions that improve implementation efficiency and customer outcomes.

Build and co-own Airbnb’s experimentation web application, developing end-to-end features across React and TypeScript interfaces, Python and GraphQL APIs, and relational data systems. Partner with design, customers, and data scientists to create intuitive experiment setup and analysis tools. Develop reliable AI-assisted workflows for experiment creation, validation, and analysis, while contributing to testing, evaluations, methodology integration, and on-call ownership.

Own the architecture and long-term direction of Alpaca’s Redpanda-based event streaming platform. Lead migration to event-driven systems, design scalable real-time client streaming, establish schema and library standards, shape authentication for streaming, partner on resilience and testing, mentor engineers, influence cross-team technical decisions, and participate in platform on-call. The role primarily uses Go and involves Kubernetes, Helm, PostgreSQL, observability, and distributed systems.

Build and architect Alpaca’s algorithmic trading platform, developing high-performance, low-latency brokerage systems. Responsibilities include extensive frontend and backend coding, distributed system design, database and concurrency architecture, high availability, throughput optimization, and object-oriented modeling. The role requires prior experience with trading or exchange systems, including OMS and RMS platforms, and involves making critical technical decisions in a demanding early-stage environment.

Designs and delivers complex backend services and shared platform components for identity, authentication, and access control. Owns projects from design through production, breaks initiatives into milestones, resolves technical challenges, identifies risks, mentors engineers, documents technical decisions, and collaborates across teams to align engineering work with product priorities.

Develop observability software for network automation, including discovery, reconciliation, monitoring, and fleet management. Build multi-tenant, event-driven services using Go, protobuf APIs, PostgreSQL, Redis, and RabbitMQ. Apply observability and instrumentation expertise with OpenTelemetry, networking knowledge, secure coding practices, and coding agents. Collaborate with product, platform, NetBox, and open-source communities while producing technical specifications and delivering reliable integrations.

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.