Senior Software Engineer, Cloud

ABOUT THE ROLE We are looking for a Senior Software Engineer (Backend/Infrastructure) to join the VTEX Network team. This team manages the core connective tissue of our cloud platform, being responsible for CDN, Cloud Connectivity, Ingress, DNS, and Service Mesh. In this role, you will tackle one of our most critical engineering challenges: the evolution of our Service Mesh. Currently, VTEX relies on a highly performant, custom-built router (developed in .NET) that acts as our service mesh, processing millions of requests per second and serving as the backbone for all VTEX applications. Your mission is to help evolve this mission-critical infrastructure, leading the transition toward a market-standard stack (like Istio ), with zero downtime and absolute reliability. This is a role at the deep intersection of software engineering and scalable infrastructure, requiring extreme care for performance, resilience, and system architecture. ABOUT THE TEAM The Cloud Network team at VTEX is responsible for ensuring the reliability, scalability, and performance of our platform, which supports thousands of stores worldwide. As part of a recent transformation, the team is focusing on building a new generation of infrastructure systems, including the evolution of Service Mesh, networking, and compute layers . Our mission is to create a platform where infrastructure complexity is abstracted, enabling engineers to move faster while maintaining high standards of reliability and performance. WHAT YOU WILL DO Drive Architectural Evolution: Lead the technical strategy and execution to migrate our custom routing layer to a modern, market-standard Service Mesh (e.g., Istio). Build for Extreme Scale: Design, develop, and maintain network infrastructure components that sustain millions of requests per second with incredibly low latency. Operate Mission-Critical Systems: Ensure the continuous availability and resilience of VTEX's core network services (Ingress, DNS, Service Mesh, CDN) that impact thousands of stores globally. Master Service Design: Apply deep service design principles to create scalable, robust, and easily maintainable backend services and infrastructure tooling. WHO YOU ARE Experienced Backend/Platform Engineer: You have a strong background in Software Engineering (Backend) with deep, hands-on experience managing and evolving Kubernetes infrastructure. High-Scale Veteran: You have 3+ years of experience operating, troubleshooting, and designing systems for mission-critical environments with massive throughput (millions of requests per second). System Design Expert: You possess profound knowledge of service design, distributed systems, networking concepts (TCP/IP, HTTP, DNS, Proxies), and microservices communication. Technically Versatile: You are comfortable working with complex legacy systems while building the future. Experience with .NET is a significant advantage, as it will help you understand and refactor our current custom router. Familiarity with Service Mesh solutions (Istio, Envoy) is highly desired. Effective Communicator: You have a proven ability to negotiate technical constraints and collaborate seamlessly with different engineering teams to align goals and execute platform-wide changes. Language: Fluent English to collaborate in our global environment. #LI-Remote About VTEX VTEX (NYSE: VTEX) is the composable and complete commerce platform that delivers more efficiency and less maintenance to organizations seeking to make smarter IT investments and modernize their tech stack. Through our pragmatic composability approach, we empower brands, distributors, and retailers with unparalleled flexibility and comprehensive solutions, enabling them to invest solely in what provides a clear business advantage and boosts profitability. VTEX is trusted by 2,400 global B2C and B2B customers, including Carrefour, Colgate, Motorola, Sony, Stanley Black & Decker, and Whirlpool, having 3,400 active online stores across 43 countries (as of FY ended on December 31, 2024). Founded in the year 2000, VTEX has a history of being unstoppable. Completely against the odds, VTEX is leading a high-tech industry and positioned above market giants. We are building an extraordinary future with more than 1,300 employees scattered across 25 locations in 16 countries in Latin America, North America, Europe, and Asia. For more information, visit www.vtex.com . At VTEX, you will work in a challenge-driven environment and collaborate with amazing peers. If you are powerful individually, join us, and we will be unstoppable together. BENEFITS Annual profit-sharing program and equity eligibility; Health, dental, and life insurance with national coverage provided by VTEX; Annual budget for professional development in Tech; Language development incentive program (English, Spanish, Portuguese); Flexible meal allowance; Extended parental leaves; Child-care assistance; Flexible work schedule and remote-first culture; Financial assistance to build your work-from-home setup; Wellness program; Free shipping on 1000+ VTEX stores