Software Development Engineer IV

Avalara is the leading cloud-based tax compliance and transaction intelligence platform, simplifying tax compliance for hundreds of thousands of businesses worldwide. We operate as an AI-first company—embedding intelligence and automation deeply into how we design, build, and deliver software.

The Developer Experience (DevEx) Platform Team sits at the heart of Avalara’s engineering ecosystem. Our mission is to eliminate cognitive friction, accelerate cycle time, and empower thousands of internal engineers and external ecosystem partners to build, integrate, and ship production-grade compliance capabilities in minutes.

As a Software Engineer IV on the Developer Experience Platform team, you will serve as a technical anchor driving the next generation of Avalara’s internal and external developer ecosystems. You will treat the developer journey as a premier product—designing declarative "Golden Paths," standardizing self-serve developer platforms, industrializing Agentic Engineering capabilities, and modernizing developer touchpoints.

This role requires a blend of deep systems engineering, platform architecture, developer empathy, and applied AI innovation to move Avalara toward an autonomous, high-velocity engineering organization.

• You'll build intelligent AI agents and orchestration layers to automate end-to-end Agentic Engineering workflows.

• You'll develop scalable, cloud-native platforms, distributed systems, APIs, and reusable services for new content types.

• Architect & Scale Internal & External Developer Platforms.

• Lead complex design discussions, author Architecture Decision Records, and mentor mid-to-senior engineers across globally distributed pods

• You'll build React interfaces with generative AI capabilities for recommendations, updates, conflict resolution, and human-in-the-loop workflows.

• You'll improve architecture and engineering practices that improve scalability, reliability, observability, and operational efficiency.

• You'll establish CI/CD, testing, deployment, monitoring, and AI evaluation practices for production systems.

• You'll partner with engineering, infrastructure, product, and data teams to deliver measurable outcomes.

• You'll mentor engineers, provide technical leadership, and lead responsible AI adoption.

• You'll create reusable engineering patterns and operating practices that improve delivery speed, quality, scalability, and growth.

• Bachelor's degree in Computer Science, Engineering, or a related technical field.
• 6+ years of software engineering experience building scalable, production-grade full-stack systems, including backend services/APIs and modern frontend applications.
• Experience with distributed systems, system architecture, event-driven architectures, and cloud-native development.
• Proficiency in  Java, or Python or C# and React, with experience building responsive, interactive UIs.
• Experience with generative AI features and agentic/autonomous workflows that detect, decide, and act with minimal human input.
• Hands-on experience with CI/CD, DevOps, AWS/cloud environments, and deploying, monitoring, and scaling services.
• Experience with Postgres and containerization technologies such as Docker and Kubernetes.
• Understanding of secure software development, including least privilege, data protection, and secure coding practices.

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. 

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.

We’re An Equal Opportunity Employer

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.