Senior Software Engineer

Avalara

About The Position

Avalara is accelerating the delivery of AI-enabled capabilities across its compliance platform to improve customer experience, increase engineering velocity, and scale global operations efficiently. As transaction volumes, product complexity, and AI-driven initiatives expand, senior engineers are needed who can deliver high-quality distributed systems and materially increase leverage through applied AI. This role will elevate platform reliability, accelerate AI-enabled product delivery, and raise engineering standards across a globally distributed team, directly influencing delivery speed, system resilience, and AI adoption within engineering workflows and product capabilities. The Senior Software Engineer will increase engineering velocity through structured AI-assisted development and automation, improve platform reliability, observability, and scalability across distributed systems, deliver AI-enabled product capabilities that improve customer efficiency and insight, and raise team performance standards through technical leadership, mentoring, and ownership. They will contribute to a culture of Bar Raisers who improve talent density and execution quality, thereby improving not only output but how work gets done by embedding AI into development workflows and strengthening architectural discipline.

Requirements

Strong English communication skills (written and spoken) for global collaboration.
B.S. in Computer Science or Engineering.
8+ years of professional software engineering experience aligned to senior-level scope.
Hands-on experience with .NET (C#) building scalable APIs and services.
Experience with TypeScript/Node.js building maintainable frontend applications.
Experience designing and operating distributed systems and RESTful and/or GraphQL APIs.
Experience with AWS cloud environments.
Experience with Infrastructure as Code (Terraform).
Experience with CI/CD pipelines (e.g., GitLab).
Experience with Docker and Kubernetes in production environments.
Experience with relational and/or NoSQL databases.
Strong knowledge of automated testing strategies.
Demonstrated hands-on AI usage that improved measurable business or engineering outcomes.

Nice To Haves

Experience in SaaS or enterprise-scale platforms.
Experience in compliance, financial systems, or regulated domains.
Experience leading cross-team technical initiatives.
Hold high standards of ownership, quality, and accountability.
Use strong judgment in architectural and technical tradeoffs.
Improve the performance of peers through coaching and example.
Leave systems, processes, and documentation stronger than they found them.

Responsibilities

Deliver scalable, secure, and backend and frontend systems that support Avalara's global compliance platform.
Increase development efficiency by embedding AI-assisted coding, testing, documentation, and architectural exploration into daily workflows.
Contribute to AI-enabled product features that enhance automation, data processing, and customer-facing intelligence.
Improve deployment frequency, code quality, and automated test coverage through CI/CD and engineering best practices.
Reduce production incidents and improve system observability through thoughtful architecture and proactive monitoring.
Lead technical design discussions and influence architectural decisions for complex distributed systems.
Raise the performance of the team through mentoring, and peer feedback.
Collaborate with global engineering, product, and business stakeholders in English.