Software Development Engineer in Test - SDET

Certa is the AI-first third-party operating system. Enterprises, from the Fortune 500 to fast-growing startups, use our no-code platform to onboard, assess, and monitor their vendors, suppliers, and partners across risk, compliance, and ESG. We have processed over 10 million entities for 100,000+ users across 120+ countries, and are backed by Fin Capital, Vertex Ventures, and Point72 Ventures. About the Role As an SDET II, you'll own significant parts of our test infrastructure and drive quality strategy across the engineering team. You'll design testing approaches for complex features, mentor junior engineers, and make architectural decisions that shape how we approach automation at scale. What You'll Do Build test infrastructure: Architect and implement test frameworks and infrastructure, and make architectural decisions about test design patterns and abstractions. Drive quality strategy: Design testing strategies for new features and platform capabilities, and integrate testing earlier in the development lifecycle through cross-team collaboration. Optimize & maintain: Refactor and optimize existing test suites for maintainability and performance, and improve CI/CD pipeline performance and test execution times. Manage environments & tooling: Build and manage AWS-based test environments, and develop custom tooling and reporting to surface quality insights. Mentor: Mentor SDET I engineers and conduct technical code reviews. What You'll Need Test automation & frameworks: Extensive Playwright experience (including deep knowledge of fixtures architecture), object-oriented test framework design with layered patterns (PCOM/POM) and scalable abstractions over linear scripts, and API testing/orchestration (REST/GraphQL integrated with UI workflows). TypeScript & software design: Advanced TypeScript (generics, decorators, advanced typing patterns, type inference), deep understanding of asynchronous programming, concurrency, and race-condition prevention, and strong software design principles including domain-driven design and patterns (Factory, Builder, Facade, Composite). Infrastructure & DevOps: Hands-on AWS (EC2 configuration, CloudWatch log analysis, debugging cloud environments), Docker (containerization, docker-compose, image management), CI/CD debugging and optimization, with Terraform a plus. Version control: Expert-level Git, GitHub, and distributed version control workflows. Reporting & tooling: Advanced reporting (Allure, Playwright HTML reports, custom solutions), test infrastructure and framework architecture, performance optimization at scale, and npm ecosystem/package management. Compensation and Benefits Compensation: Top of market salary + bonuses and equity Time off: 49 days paid time off Benefits: PTO, full benefits, retirement and wellness plans. Growth: Professional development support, remote workspace setup bonus. Team building: Annual company offsites in exciting locations around the world Location Certa is a remote-first company and we hire globally. We believe strongly in each team member working from the location that they choose. Should Certers wish to meet and work in person they have 3 lively office locations they can travel to: London San Francisco Jaipur The perfect place for Certers to collaborate, co-work and have face to face meetings. Why Certa Category leadership. Certa was named a Leader in the inaugural 2026 Gartner Magic Quadrant for Third-Party Risk Management Tools - recognition that we're defining the category, not following it. Industry recognition. We've been honored across the analyst and awards landscape, including Top Tech and Customer Value distinctions in The Hackett Group's 2026 Risk Management SolutionMap, the ProcureTech100 (Advanced AI and Risk Management categories), and Best Overall eProcurement Software in the FinTech Breakthrough Awards. A top place to work. Certa was named one of Forbes' Best Startup Employers in the US. We're a fast-growing company where you'll wear many hats, ship quickly, and shape decisions that matter. Real scale with strong backing. We've processed over 10 million entities for 100,000+ users across 120+ countries. We're well-funded by leading investors including Fin Capital, Vertex Ventures, and Point72 Ventures, on the back of an oversubscribed Series B, headed towards Series C. We're excited to meet you!