[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

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