Senior Software Development Engineer
BR-Remote
Brazil Careers
Req #: 16953
Type: Regular
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Overview: Avalara is a leading provider of cloud-based tax compliance solutions. Our mission is to simplify tax compliance for businesses of all sizes through scalable, secure, and high-performing technology. We operate as an AI-first company, embedding AI into how we build, operate, and deliver products to improve speed, quality, automation, insight, and scale. Avalara is accelerating delivery of AI-enabled capabilities across its global compliance platform to improve customer outcomes, increase engineering velocity, and scale operations efficiently. Position Summary This role is focused on improving system reliability, accelerating AI-enabled product delivery, and raising engineering standards across a global organization. In this role success is measured through faster delivery, stronger system resilience, and effective adoption of AI in both engineering workflows and customer-facing capabilities. As a Senior Software Engineer, you will build scalable, reliable distributed systems while driving engineering velocity through applied AI and automation. You'll also elevate team performance through technical leadership, ownership, and mentoring. Ultimately, this role shapes both what we build and how we build it, embedding AI into the development lifecycle while strengthening engineering discipline. This position is also open to people with disabilities (PcD), in accordance with Law No. 8.213/91(Esta vaga também é destinada a pessoas com deficiência (PcD), conforme Lei n 8.213/91). Responsibilities: Responsibilities (Outcomes & Ownership) * Build and operate scalable, secure, and high-performing systems for Avalara's global platform, ensuring strong reliability, observability, and performance at scale * Drive engineering velocity and quality by embedding AI into development workflows (coding, testing, design, documentation) and strengthening CI/CD practices * Design and deliver AI-enabled product capabilities that improve automation, data processing, and measurable customer outcomes * Lead technical design and architectural decisions for complex distributed systems, balancing scalability, cost, and reliability * Reduce production issues through proactive system design, improved architecture, and strong operational practices * Demonstrate and drive measurable impact from AI (e.g., improved speed, quality, automation), while ensuring responsible, secure, and well-governed AI adoption across engineering and product development . Qualifications: Required Qualifications * Bachelors in Computer Science/Engineering with 8+ years of building and owning scalable, distributed systems at a senior level. * Strong hands-on experience with .NET (C#) / JAVA / Python and React (TypeScript), including designing and operating APIs (REST/GraphQL) in cloud-native environments (AWS), with Infrastructure as Code (Terraform), CI/CD pipelines, and containerization (Docker/Kubernetes). * Solid understanding of databases (relational/NoSQL) and automated testing strategies across the development lifecycle. * Demonstrated hands-on use of AI with measurable impact on engineering or business outcomes, with the ability to apply it responsibly and effectively. * Experience working on SaaS or enterprise-scale platforms, ideally within compliance, financial, or other regulated domains, and leading cross-team technical initiatives * Strong English communication skills, with the ability to collaborate across global teams, influence decisions, and drive alignment.
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