[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.ResponsibilitiesDesign and evolve a platform that connects invoicing, payments, and capital into a unified financial systemArchitect payment flows that integrate with multiple providers, banking partners, and regional systemsDefine patterns for high-volume transaction processing with strong guarantees around data integrity and auditabilityPartner with product teams to turn financial workflows (invoicing → payment → financing) into scalable systemsDesign for global expansion, including country-specific compliance, reporting, and payment requirementsCollaborate with globally distributed teams across Brazil, EMEA, and India, ensuring effective alignment across time zonesIdentify and reduce risks related to transaction integrity, system failure, and cross-system dependenciesLead design reviews and contribute code to critical systemsEstablish standards for reliability, observability, and performance across financial workflowsGuide teams in building AI-enabled capabilities such as anomaly detection and workflow automationInfluence engineering decisions across distributed teams without formal authoritySkillsBachelor's degree in computer science or related field15+ years of software engineering experience, including full-stack developmentExpertise in Java or C# programmingExperience designing and scaling distributed systemsExperience of architectural patterns and system design best practicesHands-on experience with CI/CD, AWS cloud services, and DevOps tooling (e.g., Terraform, Docker, and ECS)Experience with Agile methodologies, including TDD and BDDExperience migrating monolithic applications to microservices or serverless architectureExperience with Enterprise Integration PatternsExperience using AI and AI-related technologiesBenefitsPaid time offPaid parental leaveBonusesPrivate medical insuranceLife insuranceDisability insuranceInclusive culture and diversity8 employee-run resource groups, each with senior leadership and exec sponsorshipCompany OverviewAvalara 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 SponsorshipAvalara 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.