Senior Software Engineer (LatAm Only)

At R2, we believe that small and medium businesses are the productive engine of society. Small and medium businesses (SMBs) make up over 90% of companies in Latin America, yet they face a trillion-dollar credit gap. Our mission is to unlock SMBs’ potential by providing financial solutions tailored to their needs. We are reimagining the financial infrastructure of Latin America, where SMBs’ financial needs are met without ever having to go to a bank. R2 enables platforms across Latin America to embed financial services that SMBs can leverage, starting with revenue-based financing. We are a high-performing, close-knit team with talent from organizations such as Google, Amazon, Nubank, Uber, Capital One, Mercado Libre, Globant, and J.P. Morgan. We are entering a new phase of growth following a strategic investment from Ant International, focused on rapidly expanding our partner footprint, strengthening our credit and underwriting capabilities, and scaling operations across multiple markets. As part of this growth journey, eligible team members have the opportunity to participate in R2’s Phantom Share Program, a performance-based incentive designed to align our team with the company’s long-term success and value creation. We believe in building a culture of ownership, where those who help create value share meaningfully in it. We’re looking for a Senior Software Engineer (IC3) who can design highly scalable systems and services, integrate our systems into various third-party platforms, promote a culture of technical learning, and push teammates to grow into excellent engineers. What You'll Do: Design, build, and maintain APIs, services, and systems across R2 Own the product and solution architecture Ensure best practices and uptime Contribute to company-wide standards and reliability Ensure delivery of mission-critical systems with tight deadlines Increase the quality of the delivered code, towards a zero-bug policy Research and invest in new tooling to improve services Think about security throughout everything you do Promote a culture that fosters learning, growth, risk-taking, and accountability Work with other teams to figure out how to build tools to make them more productive Who You Are: 5+ years of engineering experience building API-driven services, with an appetite to code on a daily basis. Experience with distributed architecture patterns, in particular microservices. Experience programming in either Go, Python, Java, or Rust. Experience in designing and implementing robust data models for production using relational databases (PostgreSQL, etc.) and/or NoSQL (MongoDB, DynamoDB, etc). Experience in containers (Docker, Docker Compose, Kubernetes). Experience in CI/CD pipelines (Gitlab CI, Spinnaker, Jenkins, GoCD, Concourse, etc.) Experience designing and implementing Event-Driven architectures. Working experience with gRPC, Service Meshes (Istio, Linkerd, etc), API Gateways. Familiar with UI technologies such as React, GraphQL, Server-side rendering, etc. Experience building integrations with 3rd-party APIs/services is a big plus. What We Offer: The chance to join a high-impact, mission-driven fintech with regional scale Cross-functional collaboration with exceptional teams across Latin America Equipment provided by R2 Training budget for professional development Career growth within R2 Location: São Paulo, Buenos Aires or Santiago.