Principal Software Engineer

Location: Central and Eastern Europe, Asia, Middle East, and Africa. Due to our compensation strategy, we are not considering applicants from high-cost-of-living locations such as Singaporte, Benelux, DACH, France, Nordics, and the UK.

About the job

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 Principle 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. Learn more about the Testlio Platform team here.

To accomplish this, we are seeking 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 in 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.

Why you will love being a part of Testlio?

• A true sense of belonging: the TestLion Pride is a global community of like-minded people who live Testlio’s six values every day.
• Growth through learning: knowledge exchange and learning are central to working at Testlio. You’ll find that motivated, experienced TestLions with diverse backgrounds can always introduce you to new perspectives. 
• Enable human possibilities: your work at Testlio has a larger purpose. As a TestLion, you will not only help our customers create well-built digital experiences for their users, but also create opportunities for Testlio’s freelance network, and support social impact programs like Ignite.
• Freedom to roam: Testlio is a global company that embraces flexibility while setting standards to help you succeed in a remote environment by having clear expectations for working hours and communication. We look for opportunities to create engagement with TestLions around the world and we want to make sure you can take time off from work to rest. We honor national holidays in your home nation and provide a generous number of days off, including personal wellness days.
• Great culture: Testlio was founded by women, and 46% of the population is women. Our purpose, vision, and values help drive positive mindsets and behaviors—people like working with each other and love the company’s global scale. We move fast and empower people on the frontlines to make decisions and take initiative.
• Investment in you: Testlio is a global company and we’ve created a few benefits that are available regardless of your location. In addition to the paid time off mentioned above, you can reimburse up to $300/yr for learning, you will receive stock options and an equipment policy with Testlio contributing to the bulk of the cost with regular equipment update intervals.

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 team 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.

What is the Candidate Consideration Process

We seek to hire individuals who will be excited about their role and have the potential to grow with Testlio. Since we are 100% distributed, it’s important for us to provide you the opportunity to meet with multiple stakeholders throughout the organization. This gives you insight into the role and a chance to interact with future peers.  Our interview process can take about 2 to 3 weeks to complete as we want to ensure a great fit for everyone. 

• Application
• Multipart TestGorilla assessment
• Recruiter interview
• At home Coding exercise with a follow-up demo & discussion
• Hiring manager interview
• Reference checks
• 2-4 stakeholder interviews
• Offer and background checks

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.