SDET II - Core Platform

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 peopleWith 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 impactEvery 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 PostsAbout the Role:Custom Objects Team in HighLevel form the backbone of our data extensibility platform, enabling users to model and manage data beyond standard CRM entities like Contacts, Opportunities, and Appointments. They power a wide range of use cases from custom CRMs and booking systems to project management and reporting. They are also deeply integrated across our ecosystem, including Pipelines, Forms, Triggers, APIs, and Workflows.As an SDET for Custom Objects, you’ll be validating complex relational data models, API interactions, and UI-driven configurations that define these objects. You’ll ensure scalability, reliability, and data consistency across interconnected modules. This is a highly impactful role that involves testing across dynamic schema-driven systems and collaborating closely with product, backend, and frontend teams to maintain seamless platform interoperability.Responsibilities:Take ownership of the quality of deliverables, including new features and enhancementsCollaborate with product managers and engineers to understand requirements and user workflowsDesign and execute efficient manual test cases, including functional, regression, and exploratory testingBuild and maintain automation test scripts for UI and API validations (using Selenium, Playwright, or equivalent)Identify and address QA process bottlenecks, driving continuous improvementsParticipate in sprint ceremonies, bug triages, and release readiness discussionsTrack, report, and validate defects using defect management toolsSupport integration testing with external APIs (e.g., Shipday, proprietary delivery software)Ensure high-quality test execution in Agile (Scrum/Kanban) environmentsWork closely with senior SDETs and developers to scale automation and adopt best practicesRequirements:3+ years of experience in software testing, preferably in SaaS/web applicationsStrong knowledge of API testing and performance testing (Postman, JMeter, or equivalent)Understanding of HTML, CSS, JavaScript, and browser debugging toolsHands-on experience with test automation frameworks (Selenium, Playwright, Cypress, or similar)Good programming skills in at least one language (Java, Python, JavaScript/Node.js, TypeScript or Ruby)Solid understanding of OOP concepts and design patternsExperience with source control (Git or SVN)Knowledge of Agile software development (Scrum/Kanban) and the QA role within itStrong organisational and problem-solving skills, with the ability to manage multiple test executionsNice to have:Exposure to white box and black box testing approachesFamiliarity with CI/CD pipelines and cloud environmentsPrior experience with automation in distributed systems or API-heavy applicationsBasic knowledge of performance/security testing conceptsEEO Statement:The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision. We encourage you to review our Privacy Policy before submitting your a