Top Software Engineer Jobs in Rio de Janeiro

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.

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.

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.

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.

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.

Own and resolve production customer issues end-to-end: debug integrations, browser JS, agents and prompts, and database issues. Communicate directly with customers, build automation and runbooks to prevent recurrence, surface recurring patterns to Product, and raise team capability through tools and documentation.

Designs, builds, and maintains software applications using ASP.NET, C#, C++, SQL Server, Azure DevOps, CI/CD, and .NET MAUI. Leads technical architecture and design decisions, establishes engineering standards, optimizes application performance, and drives technical improvements across development processes. The role also requires collaboration with distributed international teams and independent resolution of complex technical challenges.

Leads architectural strategy and complex software initiatives across Enterprise engineering domains. Designs scalable, secure, reliable systems; guides technical roadmaps, standards, design reviews, and platform improvements. Partners with cross-functional leaders, mentors senior engineers, identifies systemic risks, and establishes responsible AI-assisted development practices. Requires extensive experience with distributed systems, cloud-native platforms, microservices, and high-throughput production applications.

Build and operate production systems for Juniper Square’s AI Platform, including APIs, infrastructure, reusable frameworks, and AI/LLM capabilities. Own projects end to end, ensure reliability and observability, contribute to technical design, and support incident response. Collaborate with product, design, QA, and engineering teams while applying AI-native development practices. The role requires strong Python backend engineering, cloud-native technologies, databases, production operations, and hands-on experience with RAG, agents, evaluation workflows, or related AI systems.

Leads and grows a six-person software engineering team while remaining hands-on. Owns customer-facing data APIs, analytics products, reporting datasets, production operations, observability, SLOs, and incident management. Partners with Product, Design, UX, and Data Engineering on platform migrations and backend modernization from Groovy and Scala to Kotlin. Drives team hiring, development, delivery, quality, and engineering culture while shaping AI-assisted analytics and data access for AI agents.

Join an agile team building HealthTech applications: design and implement scalable microservices, integrate ML and third-party systems, conduct code reviews, author technical documentation, debug and optimize systems, and own services over time while maintaining high code quality and delivery standards.

Lead and contribute to full-stack engineering work building scalable, high-quality customer-facing e-commerce applications. Design, develop, test, and deploy production code, influence technical architecture, mentor engineers through reviews and pair programming, and collaborate with product and design to deliver impactful features.

Own and operate large-scale backend systems supporting network, SD-WAN, SASE, and security infrastructure. Build services, APIs, data pipelines, and automation primarily in Go and Python. Lead system design, incident response, post-mortems, reliability improvements, and greenfield development. Mentor engineers, guide technical decisions, improve engineering productivity, and collaborate across teams on complex platform initiatives.

Design and develop robust backend services and APIs for a large-scale SaaS platform. Partner with Product, Design, and QA from ideation through deployment, contribute to microservices architecture decisions, promote automated testing and monitoring, conduct code reviews, identify system risks, and mentor teammates while fostering collaboration and engineering excellence.