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# Principal Software Architect

- **Company:** TESTLIO INC.
- **Location:** United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Cloud Engineering, Databases, Continuous Integration, Distributed Systems, NoSQL, Software Engineering, Web Application Frameworks, Scripting, System Availability, Event Driven Architecture, Front End Software Development
- **Published:** June 24, 2026
- **Apply:** https://www.builtincolorado.com/job/principal-software-architect/9869426

## About the Role

* 15+ years of hands-on software development experience building cloud-native, business-critical platforms.
 * Advanced mastery of distributed system patterns, data modeling, event-driven design, and database technologies (Relational and NoSQL).
 * Proven track record designing and migrating application infrastructures, specifically moving from monolithic architectures to modular services.
 * Deep experience establishing enterprise-ready patterns in AWS, emphasizing high availability, cost optimization, and secure infrastructure.
 * Strong familiarity with modern full-stack code environments, including front-end web frameworks, scripting languages, and CI/CD pipelines.
 * Practical, production-grade experience deploying AI/ML or LLM-based solutions with an emphasis on observable, safe automation patterns.

Human Skills

 * Fluency in English with exceptional written and verbal communication skills, especially when presenting advanced architecture concepts to business leaders.
 * Ability to operate effectively as an individual contributor in fast-paced, ambiguous environments, showing proactive problem ownership.
 * Strong collaboration and alignment focus, capable of guiding distributed engineering teams and technical peers without direct authority.
 * Outstanding analytical thinking, balancing a broad long-term technology vision with practical, short-term implementation constraints.
 * Natural inclination for remote-first work, successfully communicating and documenting technical decisions asynchronously across global time zones.

## Description

We are hiring a Principal Architect to serve as a hands-on individual contributor who will shape our application and platform architecture, driving production-ready systems that directly enable our next generation of intelligent, distributed software testing solutions.
Why will you love this job?

 * High Ownership and Autonomy: Be a foundational technical leader steering a profound platform transformation, making critical structural decisions that balance immediate system delivery with long-term enterprise scalability.
 * Pragmatic AI & System Innovation: Step past the hype to integrate actionable AI capabilities directly into high-throughput surfaces, modernizing our core monolith into a robust distributed network alongside our product and executive leaders., * Architect, develop, and deploy scalable, production-grade services directly across the core Testlio software platform.
 * Author clear architectural standards and reference patterns that define domain boundaries, decoupling our current codebase into modular services.
 * Partner with the Director of Engineering to execute frontend framework consolidation, improving operational performance and observability.
 * Safeguard system efficiency and regulatory posture by designing with security, cost-efficiency, and ISO 27001 expectations at the center.
 * Integrate secure AI/LLM patterns into customer-facing surfaces, establishing strict operational guardrails and failure modes for our Quality API.
 * Advise executive, product, and engineering teams on major technical tradeoffs, translating business needs into clean technical strategies.


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