Principal Software Architect

🕒 June 23

🌐 United Kingdom, Poland – Remote

🇬🇧 United Kingdom – Remote 🇵🇱 Poland – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 37%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Testlio

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2013

💼 Consulting

🏥 Healthcare

📦 Logistics

💰 $12M Series B on 2021-10

Consulting • Healthcare • Logistics

Testlio is a leading software testing company that provides comprehensive solutions to enhance the quality and reliability of digital products. Specializing in both manual and automated testing, Testlio serves a diverse range of industries including finance, health, media, and travel. With a cutting-edge platform that integrates seamlessly with DevOps tools, Testlio harnesses data-driven insights to optimize testing processes and deliver superior results. Their extensive global network of testers ensures robust coverage across multiple devices, languages, and payment methods, crucial for businesses aiming to scale globally. Focused on flexibility, speed, and customer satisfaction, Testlio is the trusted partner for ensuring software excellence and reliability.

📋 Description

• Architect, develop, and deploy scalable, production-grade services across the core Testlio software platform • Author architectural standards and reference patterns defining domain boundaries and decoupling the codebase into modular services • Partner with the Director of Engineering on frontend framework consolidation • Improve operational performance and observability • Design for security, cost-efficiency, and ISO 27001 expectations • Integrate secure AI/LLM patterns into customer-facing surfaces • Establish operational guardrails and failure modes for the Quality API • Advise executive, product, and engineering teams on major technical tradeoffs • Translate business needs into technical strategies

🎯 Requirements

• 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 relational and NoSQL databases • Proven experience designing and migrating application infrastructures from monolithic architectures to modular services • Deep experience establishing enterprise-ready patterns in AWS, including high availability, cost optimization, and secure infrastructure • Strong familiarity with modern full-stack code environments, front-end web frameworks, scripting languages, and CI/CD pipelines • Production-grade experience deploying AI/ML or LLM-based solutions with observable, safe automation patterns • Fluency in English • Exceptional written and verbal communication skills • Ability to operate effectively as an individual contributor in fast-paced, ambiguous environments • Ability to guide distributed engineering teams and technical peers without direct authority • Strong analytical thinking • Ability to communicate and document technical decisions asynchronously across global time zones

🏖️ Benefits

• Fully remote work with asynchronous collaboration tools and guidance • Flexible paid time off, including national holidays, personal days, and sick days • Stock options • $300 annual learning stipend • Inclusive, purpose-driven culture • Opportunity to contribute to the freelance network • Global, distributed team environment