Testlio is a leading quality management company. Its unique approach combines humans and machines to help digital innovators assure quality products at scale. On 600K+ real devices. In 100+ languages. With 800+ payment methods. The company is 100% remote, with people in 150+ countries. It is female-founded; 46% of full-time people are women. Clients include Amazon, athenahealth, Match Group, Microsoft, the NBA, Netflix, PayPal, SAP, Uber, Wayfair, and many more. To learn more, visit www.testlio.com

We are hiring a Principal Software Engineer to help us deliver solutions that harness data & the latest AI advancements to generate measurable business impacts, ensuring our leadership in quality software testing services.

To accomplish this, we seek a distinguished engineer who can showcase their significant experience in enterprise architecture & full-stack solution engineering. If you can confidently tick one or more of these boxes, we’d love to hear from you:

• I hold a Solutions Architect certification (such as AWS Certified Solutions Architect Professional - CSAP)
• I have a public track record of my contributions and coding expertise, featuring significant contributions to prominent open-source projects.
• I’ve held an Architect role at a leading tech company (FAANG-level), demonstrating my ability to operate at the highest industry levels.
• I have played a pivotal technical role in a startup, leading it from inception to a successful product launch, essentially acting as the lead technical powerhouse of the team.

Why you will love this job

• Shape the future of testing with AI: Be at the forefront of innovation, building solutions that harness the power of AI to automate tasks, generate valuable insights, and drive testing efficiency.
• Make a tangible impact: Your work directly influences the success of our clients and the quality of their digital products. See your contributions translated into real-world improvements that benefit millions of users.

What would your day look like?

• Lead architectural roadmaps, technical investigations, prototyping, and drive technical decisions needed for impact. Provide quality control for Architectural Decision documents.
• Build and implement performant, scalable, and quality products in an iterative approach.
• Advance AI-augmented software engineering practices by incorporating productivity-boosting GenAI automation across the software development lifecycle.
• Define & advocate quality standards for code, coaching your fellow engineers & constantly raising the bar for quality.
• Work closely with designers and business stakeholders to bring the best solutions to end users.
• Lead debugging and root cause analysis of complex problems, and offer solutions.
• Work in a team environment: contribute to tasks and goals; follow team processes (Scrum) and rituals.
• Help and mentor other team members, proactively share and document knowledge.

What do you need to succeed?

Technical Skills

• A university degree in Computer Science, Software Engineering, or equivalent.
• 10 - 15 years of full-stack coding experience, building modern cloud-native applications.
• Strong affinity with our tech stack of React, TypeScript, NodeJS, GraphQL, PHP, MySQL, AWS, and Kafka.
• In-depth knowledge of core browser concepts and responsive web design.
• Practical knowledge of modern API architecture, microservices, and event-driven design.
• Experience in writing automated tests is a strong plus.
• Proven track record of taking ownership, conducting technical design, and successfully delivering results.
• AI/ML experience is a strong plus.
• Mobile Development: Experience in developing and optimizing mobile applications (whether using fully native frameworks for iOS/Android or cross-platform solutions such as React Native) is a plus.

Human Skills

• Fluency in English, with excellent written and verbal communication skills.
• Organized and thorough with a commitment to quality.
• Results-oriented, with data-driven decision-making and a focus on delivering impactful outcomes.
• Strong preference for a remote working environment.
• A passion for staying current with the latest industry trends and technologies, and a drive to continuously improve and innovate.

Diversity and Inclusion

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 46% of our team identifies as women. See the DEI section of our website for more information.