Software Development Engineer in Test III - LeadGen AI

About HighLevel:HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes. To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently. Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability. Our people With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home. Our impact Every month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that. Learn more about us on our YouTube Channel or Blog Posts     About the Role: HighLevel is looking for passionate SDET3 for its Full-time remote engineering team in India. You will be responsible for ensuring that the new releases we make for features, enhancements, or new products meet the strict standards of quality & consistency. The buck stops at you and you will have the final say on the correctness, reliability & consistency of our builds. Responsibilities:

Validate complex system workflows across UI, API, and backend layers, ensuring correctness, reliability, and consistency of every release

Enhance and maintain the existing Playwright automation framework, expanding UI/API coverage and improving reliability, flakiness detection, and execution efficiency

Build internal QA tools, improve test data workflows, and contribute to CI/CD quality gates and overall pipeline readiness

Develop and maintain test infrastructure for containerized and distributed environments (Docker, Kubernetes)

Conduct performance, load, and scalability testing for high-traffic services using k6 or similar tools

Collaborate closely with engineering, product, LeadGen, Payments, and design teams to embed quality early in the lifecycle

Analyze failures across distributed systems using observability platforms (logs, metrics, dashboards) to identify root causes quickly

Advocate for shift-left quality and influence system design and architecture for better testability

Maintain accurate documentation and onboarding materials for frameworks, tooling, and best practices

Requirements:

4+ years of experience in software testing or automation for SaaS, web applications, or distributed systems

Expertise in enhancing and maintaining automation frameworks (Playwright or equivalent)

Proficiency in TypeScript, JavaScript, or Python for scalable automation development

Hands-on experience with CI/CD pipelines and containerized infrastructure (Docker, Kubernetes)

Working knowledge of AWS or GCP environments

Deep understanding of RESTful API testing, backend validation, mocks/stubs, and integration testing

Experience with performance and load testing tools like k6, Locust, or JMeter

Familiarity with observability tools such as Grafana, Prometheus, ELK, or OpenTelemetry

Strong debugging skills, especially in distributed and microservices-based architectures

E-Commerce domain experience (preferred but optional)

Basic knowledge of AI-driven testing techniques or LLM-based test generation

Excellent communication, documentation, and problem-solving abilities

Nice to Have:

Experience validating E-Commerce flows such as checkout, order lifecycle, payments, taxes, pricing rules, and inventory synchronisation

Experience analysing and testing AI/LLM-powered features, including prompt validation, hallucination detection, model consistency checks, and AI-assisted testing workflows