Principal Software Architect

<p><span style="font-size: 12pt;"><strong>Location:</strong> This is a 100% remote role open to those who reside in the eastern half of USA or UK, or Poland</span></p> <h1><strong>About the job</strong></h1> <p><span style="font-size: 12pt;">Testlio's fully managed crowdsourced testing platform, powered by our proprietary intelligence technology - LeoCore™, integrates expert, on-demand testers directly into your release process. Ship faster and more confidently with global coverage across 600,000+ devices, 800+ payment methods, 150+ countries, and 100+ languages. To learn more, visit <a href="http://testlio.com">testlio.com</a>.&nbsp;</span></p> <p><span style="font-size: 12pt;">We are hiring a <strong>Principal Architect</strong> 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.</span></p> <h2><strong>Why will you love this job?</strong></h2> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>High Ownership and Autonomy:</strong> Be a foundational technical leader steering a profound platform transformation, making critical structural decisions that balance immediate system delivery with long-term enterprise scalability.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Pragmatic AI &amp; System Innovation:</strong> 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.</span></li> </ul> <h2><strong>Why you will love being a part of Testlio?</strong></h2> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Great Culture</strong>: Testlio is a female-founded company, and half of our team identifies as women. We’re proud of our <a href="https://testlio.com/culture/">inclusive, purpose-driven culture</a> where people genuinely enjoy collaborating. As part of our team (we call ourselves TestLions), you’ll help create exceptional digital experiences for our customers, while also contributing to our freelance network.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Remote Work</strong>: Our culture is built around remote work. We’ve created systems to allow us to successfully work together asynchronously as a <a href="https://testlio.com/blog/building-a-strong-culture-remotely/">fully remote and globally distributed team</a>. Testlio provides the tools and guidance for everyone to succeed in their careers in a fully remote setting. Our working style encourages everyone to make decisions, communicate effectively, and work at a sustainable pace.&nbsp;</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Investment in You</strong>: Your growth and well-being matter to us. You’ll have flexible paid time off—including national holidays, personal days, and sick days—plus stock options so you can grow with Testlio. We also provide a $300 annual learning stipend to support your personal and professional development.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;"><strong>Winning Business</strong>: Testlio is growing, profitable, and cash-strong. We are leading our industry with <a href="https://testlio.com/customers/">exceptional clients</a> who provide us with a high NPS score and a 4.7 rating on G2. Our business model is global, enterprise, and subscription-based. Several of our largest clients have been with us for 7+ years, and many spend $500K+/year with Testlio.&nbsp;&nbsp;</span></li> </ul> <h2><strong>What would your day look like?</strong></h2> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Architect, develop, and deploy scalable, production-grade services directly across the core Testlio software platform.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Author clear architectural standards and reference patterns that define domain boundaries, decoupling our current codebase into modular services.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Partner with the Director of Engineering to execute frontend framework consolidation, improving operational performance and observability.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Safeguard system efficiency and regulatory posture by designing with security, cost-efficiency, and ISO 27001 expectations at the center.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Integrate secure AI/LLM patterns into customer-facing surfaces, establishing strict operational guardrails and failure modes for our Quality API.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Advise executive, product, and engineering teams on major technical tradeoffs, translating business needs into clean technical strategies.</span></li> </ul> <h2><strong>What do you need to succeed?</strong></h2> <h3><strong>Technical Skills</strong></h3> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;">15+ years of hands-on software development experience building cloud-native, business-critical platforms.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Advanced mastery of distributed system patterns, data modeling, event-driven design, and database technologies (Relational and NoSQL).</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Proven track record designing and migrating application infrastructures, specifically moving from monolithic architectures to modular services.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Deep experience establishing enterprise-ready patterns in AWS, emphasizing high availability, cost optimization, and secure infrastructure.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Strong familiarity with modern full-stack code environments, including front-end web frameworks, scripting languages, and CI/CD pipelines.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Practical, production-grade experience deploying AI/ML or LLM-based solutions with an emphasis on observable, safe automation patterns.</span></li> </ul> <h3><strong>Human Skills</strong></h3> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Fluency in English with exceptional written and verbal communication skills, especially when presenting advanced architecture concepts to business leaders.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Ability to operate effectively as an individual contributor in fast-paced, ambiguous environments, showing proactive problem ownership.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Strong collaboration and alignment focus, capable of guiding distributed engineering teams and technical peers without direct authority.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Outstanding analytical thinking, balancing a broad long-term technology vision with practical, short-term implementation constraints.</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Natural inclination for remote-first work, successfully communicating and documenting technical decisions asynchronously across global time zones.</span></li> </ul> <h2><strong>What is the application process?</strong></h2> <p><span style="font-size: 12pt;">At Testlio, we aim to hire individuals who are excited about their role, thrive in a fully remote environment, and have strong long-term potential with our team. Because we are a fully distributed company, our interview process includes conversations with several team members so you can get a well-rounded understanding of the role, the people you’ll work with, and how we collaborate. As a result, our interview process typically takes 3–4 weeks to complete.</span></p> <p><span style="font-size: 12pt;"><strong>Interview Process:</strong></span></p> <ul> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Application</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Recruiter interview</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Stakeholder Interview</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Technical Exercise&nbsp;</span></li> <li style="font-size: 12pt;"><span style="font-size: 12pt;">Offer &amp; background check</span></li> </ul> <h2><strong>Diversity and Inclusion</strong></h2> <p><span style="font-size: 12pt;">Testlio is an equal-opportunity employer deeply committed to creating an inclusive environment for people of all backgrounds and identities. We are female-founded, and half of our team members identify as women. For more information, see the <a href="https://testlio.com/diversity-equity-and-inclusion/">DEI section </a>of our website.</span></p>