[Remote] Principal Engineer/ Architect – Payments & Financial Platform

Note The job is a remote job and is open to candidates in USA. Avalara builds cloud software that automates tax and compliance inside the systems businesses already use. The Principal Engineer/Architect will lead the architecture of Avalara’s payments and financial platform, focusing on designing a unified system that supports high-volume transactions and compliance across multiple countries. Responsibilities Design and evolve a platform that connects invoicing, payments, and capital into a unified financial system Architect payment flows that integrate with multiple providers, banking partners, and regional systems Define patterns for high-volume transaction processing with strong guarantees around data integrity and auditability Partner with product teams to turn financial workflows (invoicing → payment → financing) into scalable systems Design for global expansion, including country-specific compliance, reporting, and payment requirements Collaborate with globally distributed teams across Brazil, EMEA, and India, ensuring effective alignment across time zones Identify and reduce risks related to transaction integrity, system failure, and cross-system dependencies Lead design reviews and contribute code to critical systems Establish standards for reliability, observability, and performance across financial workflows Guide teams in building AI-enabled capabilities such as anomaly detection and workflow automation Influence engineering decisions across distributed teams without formal authority Skills Bachelor's degree in computer science or related field 15+ years of software engineering experience, including full-stack development Expertise in Java or C# programming Experience designing and scaling distributed systems Experience of architectural patterns and system design best practices Hands-on experience with CI/CD, AWS cloud services, and DevOps tooling (e.g., Terraform, Docker, and ECS) Experience with Agile methodologies, including TDD and BDD Experience migrating monolithic applications to microservices or serverless architecture Experience with Enterprise Integration Patterns Experience using AI and AI-related technologies Benefits Paid time off Paid parental leave Bonuses Private medical insurance Life insurance Disability insurance Inclusive culture and diversity 8 employee-run resource groups, each with senior leadership and exec sponsorship Company Overview Avalara is a cloud-based platform that provides tax compliance software and automated solutions. It was founded in 2004, and is headquartered in Seattle, Washington, USA, with a workforce of 5001-10000 employees. Its website is http//www.avalara.com. Company H1B Sponsorship Avalara has a track record of offering H1B sponsorships, with 4 in 2026, 26 in 2025, 33 in 2024, 35 in 2023, 37 in 2022, 39 in 2021, 26 in 2020. Please note that this does not guarantee sponsorship for this specific role.