Enterprise Systems Engineer III

• →Own the design and delivery of scalable, secure Workday integrations that support critical business workflows across HR, Payroll, and enterprise systems
• →Improve integration reliability and performance through proactive monitoring, error handling, and optimization
• →Translate business requirements into resilient technical solutions that scale with organizational growth
• →Drive modernization of the integration ecosystem by leveraging cloud platforms and reusable architecture patterns
• →Ensure high-quality releases through rigorous testing, validation, and deployment standards
• →Strengthen governance by maintaining clear documentation, auditability, and compliance controls
• →Partner cross-functionally to ensure integrations enable business outcomes, not just system connectivity

This role is critical to enabling Avalara’s AI-first transformation by modernizing the Workday integration ecosystem. You will directly impact how data flows across the company, improving operational efficiency and enabling scalable growth.

Avalara is scaling its Workday ecosystem to support an evolving global workforce and an AI-first operating model. This role exists to design and deliver a modern, scalable integration architecture that enables accurate, secure, and real-time data exchange across HR, Payroll, Finance, and enterprise systems.

This engineer will play a critical role in executing the 2026 integration roadmap while transforming how integrations operate through AI-driven automation, improving reliability, speed, and data quality at scale.

• Delivered key components of the 2026 Workday integration roadmap on time with measurable improvements in system reliability and data accuracy
• Reduced integration failures and manual intervention through automation and improved error handling
• Established scalable integration patterns reused across multiple business-critical workflows
• Improved time-to-deploy for new integrations through better tooling, design, and documentation
• Demonstrated measurable efficiency gains through AI-driven automation (e.g., reduced manual reconciliation, faster issue resolution)

• Apply AI to automate validation, reconciliation, and anomaly detection in integration workflows
• Use AI to reduce manual effort in error handling, monitoring, and data quality checks
• Identify and implement AI-driven improvements that increase integration speed, accuracy, and scalability
• Leverage AI tools to accelerate development, testing, and documentation of integrations
• Share AI best practices and elevate team capability in applying AI to integration engineering

This role is expected to raise the bar by improving integration quality, scalability, and automation standards across the team. You demonstrate strong ownership, sound technical judgment, and consistently deliver measurable business outcomes while elevating those around you.

You go beyond basic AI usage by applying AI to materially improve integration performance, reliability, and efficiency. You quantify impact, apply AI responsibly, and help scale AI adoption across the team

• 5+ years of hands-on experience with Workday integration tools (Workday Studio, Core Connectors, EIB, PECI, WWS)
• Strong expertise in XML, XSLT, XPATH, SOAP, REST APIs
• Deep understanding of Workday HCM data model and business processes
• Experience integrating Workday with enterprise systems across cloud environments (SaaS, PaaS, IaaS)
• B.S. in Computer Science, Engineering, or related field

We’re defining the relationship between tax and tech.

We’ve already built an industry-leading cloud compliance platform, processing over 54 billion customer API calls and over 6.6 million tax returns a year. Our growth is real - we're a billion dollar business - and we’re not slowing down until we’ve achieved our mission - to be part of every transaction in the world.

We’re bright, innovative, and disruptive, like the orange we love to wear. It captures our quirky spirit and optimistic mindset. It shows off the culture we’ve designed, that empowers our people to win. We’ve been different from day one. Join us, and your career will be too.

AI is embedded in our workflows, decision-making, and products.  Success here requires embracing AI as an essential capability.

• You’ll bring experience using AI and AI-related technologies, ready to thrive here.

• You’ll apply AI every day to business challenges - improving efficiency, contributing solutions, and driving results for your team, our company, and our customers.

• You’ll grow with AI by staying curious about new trends and best practices, and by sharing what you learn so others can benefit too.

Total Rewards 

In addition to a great compensation package, paid time off, and paid parental leave, many Avalara employees are eligible for bonuses. 

Health & Wellness 
Benefits vary by location but generally include private medical, life, and disability insurance. 

Inclusive culture and diversity 
Avalara strongly supports diversity, equity, and inclusion, and is committed to integrating them into our business practices and our organizational culture. We also have a total of 8 employee-run resource groups, each with senior leadership and exec sponsorship. 

Supporting diversity and inclusion is a cornerstone of our company — we don’t want people to fit into our culture, but to enrich it. All qualified candidates will receive consideration for employment without regard to race, color, creed, religion, age, gender, national orientation, disability, sexual orientation, US Veteran status, or any other factor protected by law. If you require any reasonable adjustments during the recruitment process, please let us know.